1. There are two ways of performing SPF flattening – manual and automatic. Single step setup. You can use this tool to split a DNS resource record value into 255 character parts. Packages 0. flattening-service. The tool below could be used to check whether your domain has a SPF record. com include:spf. One of the “include” values causes 2 DNS lookups and only has a few IPv4 addresses in it, so would. Our SPF Flattening Tool is a revolutionary feature and a disruptive development in the market in terms of performance, security and management. This limitation restricts the number of DNS lookups that can be performed when an SPF record is evaluated. You can do this manually by changing the hostnames into IP addresses. To inspect your domain SPF, enter your domain name below and press the inspect button. In an attempt to reduce the number of DNS lookups occurring against our DNS SPF record I have written a PowerShell script which will extract out all of the allowed IP addresses from a SPF netblock (i. There is an inherent problem with manual SPF flattening because the mailbox providers may add. com -all This record allows any host with an IP address specified in. Guaranteed best prices of DMARC, SPF, BIMI, MTA-STS, TLS-RPT Services now. create a file with credentials . The users must include the _spf. If you don't, you probably don't need one yet. The SPF all mechanism. A flattened SPF record. Step 9: Click on Automatic Setup and replace your existing SPF record with the automatically generated SPF record. Everything I've sent today is bouncing because. The SPF checker calculates the number of DNS lookups in your SPF record, and warns you if your record exceeds that limit. SPF flattening came about to be a solution a very specific problem: That a lot of senders utilize multiple service providers, utilizing business email platforms like. Route53 SPF Flattener. ABOUT SPF RECORD CHECK. 5. Flattening the SPF record to include less DNS lookups and substituting them for IPs (flattening) is a way to get around the limit. net ~all. Together, they help prevent spammers, phishers, and other unauthorized parties from sending emails on behalf of a domain * they do not own. Nowadays, more and more services are necessary to run online operations on a day-to-day basis: marketing, sales, customer. This option allows you to determine which standard of SPF or SIDF verification to use. These include your own servers, your corporate Inbox Provider, 3rd party. Set the type to TXT and enter your SPF record in the right column (substitute your server’s IP address. SPF Record Check. Step 9: Click on Automatic Setup and replace your existing SPF record with the automatically generated SPF record. script to expand/flatten SPF records Resources. DMARC, DKIM, and SPF are three email authentication methods. The advantage of a fully-automated SPF Flattening service is the low-maintenance. TXT records were initially created for the purpose of including important notices. Look Up DKIM Record. お客様のSPFレコードで更新されていないESPのIPアドレスが変更または. When someone tries to send you an email, their server checks the SPF policy for your domain to determine if it should accept the message or not. The current SPF record configuration needs to be. This project implements Sender Policy Framework (SPF) record flattening for CloudFlare managed DNS zones. com that does not exceed 255 characters. Example: If your previous SPF record was v=spf1 include:_spf. cfflatten CloudFlare SPF Flattener. Publish it on your DNS, and you're all set! Try our SPF Record Generator now. Yes, the third party service Valimail does things programmatically like this, effectively giving each IP address a lookup in their. Updating an SPF record to depict all your sending sources can be a time-consuming task, especially when you’re just setting up your email authentication protocols. SPF Delegation is a service that allows the domain owner to delegate SPF record management to Mimecast. AutoSPF makes it possible for email users and domain owners to guarantee email deliverability without having to worry about their DNS lookups or authentication. SPF flattening. Where are Flattened SPF records DNS hosted? SPF Record too Long at your Registrar. g. Ecosystem News Email Security Insights Inside dmarcian. Simple enter your SPF record, click the Check SPF Record button, then scroll down to the Flattened SPF record section below to find the flattened SPF record. or. 0 license How can I include another SPF record if my existing domain already has 10 lines of SPF records in the TXT record? I wanted to add these two: include:mailgun. This can be as simple as removing a few duplicate entries (Gmail is often included in many provider SPF records) or completely refactoring the list of. Se envían a las carpetas de spam de los destinatarios. SPF flattening is a technique that is used to simplify and optimize an SPF record. The . Optimizing your SPF Record. An SPF record is a line of text published in the DNS that contains the list of authorized IP addresses from which email can be sent for the domain. It is therefore wise to loop through your SPF once in a while, to. Our award-winning application helps organizations of all sizes reduce email security risk as efficiently and effectively as possible. DMARC . In accordance with RFCs, DNS Made Easy. Our platform performs superior automatic flattening on your SPF record, instantly reducing your lookups. Inspect any domain's SPF record and learn how to fix it. I realize spf flattening is fragile, but it. Check Power ToolBox Now! gknaddison May 12, 2023, 4:36pm 1. That limit is 10. SPF flattening er processen med at konvertere en SPF-record til et format, der indeholder færre end 10 DNS-opslag. While Safe SPF overcomes the 10-DNS-lookup limit in SPF, sometimes it's desirable to flatten only a part of your SPF record, while leaving the rest as is. EasyDMARC SPF Checker: This is a free online tool that checks the SPF record of a domain and provides a detailed report on the status of the SPF record. If you are looking for an SPF flattening tool you already know what SPF flattening is. SPF record flattening is a technique used to optimize SPF (Sender Policy Framework) records to overcome the 10 DNS lookup limit for SPF. Use DMARCLY’s Safe SPF feature to fix this issue. You can use our SPF flattening tool to optimize your record automatically that never exceeds the 255 character SPF record length limitHow does SPF record flattening help overcome the 10 DNS lookup limit. I think the correct answer is: v=spf1 +a +mx include: spf. This test will lookup an SPF record for the queried domain name, display the SPF Record (if found), and run a series of diagnostic tests (SPF Validation) against the record, highlighting any errors. This helps to keep a live audit log of what each IP address is for, who put it there, and when it can be removed. com include:spf. Step 4: Publish your record to receive reports. You won't know if they make a change until you possibly start having bounces. Modify your domain’s SPF record to specify Mimecast as the authorized outbound service. Create an SPF record today for free, with our SPF record generator. Generate a unique SPF record with our free tool to secure your domain. 100% SPF Focus. 3. Verified Sources should be in your SPF records, meaning they should be Authenticated. DMARC reporting. The idea of a dynamic SPF record can be several things, such as dynamically flattening a record, then publishing the result based on a data source. The issue is that a customer might be using a number of different mail service providers with each one offering an include mechanism that needs to be added in DNS in order. RFC 7208 Sender Policy Framework (SPF) April 2014 1. Exceeding the Maximum Limit of 2 Void Lookups. 2. com) Import DNS SPF record into system. Create a PowerDNS record for your source SPF record that you'd like to flatten (eg. With Dynamic SPF Flattening, organizations are likely to create a centralized SPF record that includes. NOTE: this approach does not take into account administrative or domain boundaries, and is meant to show that "minified" SPF records are possible. Fully scalable from SMB to enterprise with a budget-friendly price. By default, the DNS lookup tool will return an IP address if you give it a name (e. Reducing Risks of Misconfigurations. Save changes to your record. Our SPF check tool will evaluate whether you have an existing SPF record published on your DNS. com. NFL NBA Megan Anderson Atlanta Hawks Los Angeles Lakers Boston Celtics Arsenal F. You will need to add the missing senders to your SPF record or use an SPF Flattening tool. We flatten the SPF entries (so you stay under the 10/10 DNS lookups) under one include. Here is an example SPF record: v=spf1 include:_spf. I have read that ‘SPF Flattening’ is not a good idea, (I don’t know what that is anyway), so hoping for other suggestions. 1 day ago · Samsung Galaxy Tab S9 (11-inch, 256 GB) Tablet + $100 Best Buy Gift Card Bundle — Upgrade Pick. Enter your SPF policy details (not the one shown in the example below) and use an address in your domain. Mailhardener helps you secure and monitor your domain from being used for fraud and spam. if your SPF lookup exceeds 10, you could look at the number of recursions. AutoSPF will automatically flatten all domains in the include. During the lookup process, the SPF record is retrieved from the sender’s domain’s DNS. net ~all. google. After completing these steps, if you’re going to be sending out emails under the same domain name, it’s always a good idea to test your emails before. Incorrect SPF record syntax. google. net This is my existing SPF record: Email that is Aligned but not properly Authenticated indicates that one or more email senders are missing from your SPF records, or that your SPF records are too large and violate SPF include rules. It provides a simple, intuitive system to help manage your complex SPF configurations. Select Include and enter the domain or IP address you want to include in the record. The SPF record has too many characters. google. Edit: There is a better way using SPF macros. DynamicSPF carries out dynamic flattening and auto-updates the netblocks to make sure your authorized IPs are always up-to-date. It means putting the IP addresses in place of all the domains in the SPF record. This project implements Sender Policy Framework (SPF) record flattening for CloudFlare managed DNS zones. Alternatively, you can flatten records to remove DNS lookups. If you search online you will find numerous tools that supposedly optimise your SPF records by flattening all include, a and mx terms into a single, large SPF record consisting only. Enter the details for your new SPF record. No charge for phishing attacks, or invalid mails sent on your behalf. A domain must have an existing valid SPF record in order to be added: In this example, we add the "amazon. protection. Provided the latter is true, yes, you can do what you propose: a on its own (or +a, for they are equivalent) translates to permit all the IP addresses that are returned when I resolve the naked domain name of the address in question. This test will check the propagation of DNS records across your servers for the selected DNS record type. MxToolbox's SPF Flattening Tool provides you with a simple, intuitive system to help manage your complex SPF configurations. Mechanism like ip4 and ip6 are added verbatim, as these don't consume any DNS lookups. Otherwise, the existence of any of these techniques will. Overview. Improve your email deliverability and reach the right people when it matters most. Using an SPF fattening tool, on the other hand, allows you to scale. Your SPF record is inaccurate. GDPR COMPLIANT; DuoCircle LLC 5965 Village Way Suite 105-234 San Diego, CA 92130;SPF or Sender Policy Framework requires DNS records with the respective servers sending email listed. Choose Next. Introduction The current email infrastructure has the property that any host injecting mail into the system can use any DNS domain name it wants in each of the various identifiers specified by [] and []. Configure SPF authentication for your domain by publishing the SPF record in your DNS. Best Buy deal price: $800; street price: $930. Enter the SPF record that you have already created in the “Value” or “Target” column. Use an Automatic SPF Flattening Tool. Then your SPF record is inaccurate, which leads into email delivery problems (There are paid tools available that can automate SPF Flattening). Put the most important 10 lookups in the SPF record and rely on DKIM for the rest for DMARC. net. com -all. Note: DMARC forensic reports are not supported by all mailbox providers due to privacy concerns. A good automated service will have a control panel where you check off or manually specify the services you use (GSuite, Sendgrid, Mandrill, ZenDesk, etc) and then they give you a single macro based thing you put in your SPF record like: v=spf1 exists:% {ir}. This ajax enabled wizard will guide you through the process of creating or editing a SPF record for your DNS domain. Click Default Policy Parameters. DMARC Email Delivery Tools. Anything else is rejected with a hard fail. Step 2: Copy the newly generated office 365 SPF Record. Use SPF Record Generator to create an SPF record. Compatible with Every Email Platform & Tool. 5 stars Watchers. Bonita Fierce Candles. Tools; SPF Record Generator; SPF Record Generator. It is a new realm in email security that offers domain owners a wealth of information about their email sending sources and performance. example. Domain owners can configure multiple domains to make use of a single SPF record hosted on one domain using SPF redirect. This limitation restricts the number of DNS lookups that can be performed when an SPF record is evaluated. When using PowerDMARC’s SPF Flattening tool, we’ll generate a valid SPF record for you with all of your hosts and IP addresses included in one single line of text. We spend all our energy and resources focused on the best technology solutions for your SPF management. Lastly, ensure that the final merged SPF record starts with the “v=spf1” modifier and ends with the “all” mechanism. Through "flattening" an SPF record, one can reduce the number of DNS-querying mechanisms/modifiers so that it's smaller than 10. SPF records usually contain ‘include’ statements that refer to other domains' SPF records. Sender Policy Framework (SPF) has certain. Sender Policy Framework, more commonly known as SPF, is an email authentication standard that allows a domain owner to authorize the use of its domain in email messages, with such authorization tied to the physical source of the message. DMARCian emphasized that it’s crucial to adopt a more secure email authentication method like DKIM or DMARC, which eliminates the need for SPF flattening altogether. Too many characters RFC specifies a 255-string character limit for the protocol, which means too long a record will lead to broken SPF. Checks the existence of your published SPF record. The SPF record checker, aka SPF record validator/tester, checks if an SPF record is published on a domain, and if the SPF record's syntax is correct. com include:_sampledomain2. SPF records are mostly simple, and instructions for the recipients’ servers regarding the treatment of. We are hiring! Login; Sign Up FreePartial Safe SPF for Non-flattenable SPF Includes. If you use multiple email service providers, then flattening the SPF record every time is even harder and error-prone. Provide these entries as a chain of spf include entries. Flattening simply substitutes all domains in the SPF record for their IP addresses, eliminating the need for DNS search. com include:spf2. Set mechanisms which authorize certain IP addresses. 4 billion emails were sent and received each day in 2020, the figure is expected to increase to over 361. 2016/11 - new records on output. And for your SPF policy to be effective, it has to be implemented properly on multiple hosts and IP addresses. Insight used for the above points can usually be found in your account's SPF survey tool. constantcontact. Click the pencil icon next the record you want to edit. Manually flattening your SPF record is both error-prone and tedious, and it's recommended to use a tool to automate this process. com to send emails on behalf of a domain. paul. com to refer directly to the thirdparty SPF records; thus removing 2 from our count. 123 a -all”Navigate to your domain section and publish the following SPF record: v=spf1 include:_netblocks. No control panel to learn. The increasingly widespread use of SaaS email service providers such as Exchange Online, G-Suite, Amazon SES, SendGrid and others is a challenge for email administrators. The tool will perform the SPF lookup to test the SPF record and validate the SPF record on the following checks. com ~all. It will also measure the response times for the mail server. SPF validator. ; Google Postmaster Tools: This is a free tool provided by Google that checks the SPF record of a domain and provides a report on the status of the SPF record, along with other email deliverability metrics. Under the Records section, select SPF. Use our free SPF Record Generator tool to secure your domain. This tool will make email headers human readable by parsing them according to RFC 822. com. Below you can find the steps that would help you to optimize SPF record: 1. C. Email has security standards to control which senders are allowed to send email for your domain. Higher compliance rates. The DNS lookup is done directly against the domain's authoritative name server, so changes to DNS Records should show up instantly. Especially with SPF, it is easy to simply add all the ‘include. These include your own servers, your corporate Inbox Provider, 3rd party marketing tools,. The SPF flattening works by removing the ‘a,’ ‘mx,’ and ‘include’ mechanisms to make a simplified SPF record and reduces the amount of DNS lookups. Consequence is some mail servers will silently drop emails; RFC7028 says that over 10 lookups: SPF implementations MUST limit the total number of those terms to 10 during SPF evaluation, to avoid unreasonable load on the DNS. This authorization is done by publishing a record in the DNS (Domain. Create Ticket You can create a new ticket. Select the domain of the SPF record. v=spf1 include:emsd1. Tools. It does not look right at all. As part of MxToolbox Delivery Center, we automatically detect the sources that are sending email on behalf of your domain. Finally another option is to modify your SPF records through a method known as 'SPF Flattening', which reduces the number of SPF mechanisms. AutoSPF API. After the tenth lookup, SPF authentication will cease and fail. SPF Record. This tool can flatten SPF records for free for you. Our tools are designed to easily expose the issues threatening your email delivery. We quickly got over the 10 DNS lookups per SPF record. The graphical view allows people to quickly identify which servers are authorized to send on behalf of a domain. EasySPF eliminates the constant back and forth to your DNS provider. Manual SPF Flattening requires understanding all the lookups in your vendors SPF includes. Our solution compresses the number of DNS lookups in SPF records, which will improve the delivery rate of emails, allow for DMARC alignment and help with compliance. Set up the record once, and the further changes you make in our platform will be automatically depicted in the DNS. That’s why we’re launching Universal SPF, an in-line upgrade to traditional SPF. As part of MxToolbox Delivery Center, we automatically detect the sources that are sending email on behalf of your domain. However, companies now utilize third-party senders, and each one takes up 3 or 4 servers. Tools. com aren't really adding any value; so we can just drop those records and update example. ABOUT EMAIL HEADERS. Receivers use these policies to determine if a sender is to be trusted. It also features a DNS lookup counter. How to flatten a PDF in less than. When you add a new mechanism in your record, you require a new. Looking at the Audit Log area these records were created on April 17th and 18th by a. Easily configure SPF for your domain with just a few clicks; One-click instant SPF record flattening with a single include statement to enjoy automatic SPF include management; Always stay under the 10 DNS lookup limit; Auto-update netblock and scan for changed IP addresses constantly to keep your SPF record up-to-dateA: As part of the monitoring process, the SPF Delegation services will perform background checks on configured sources included in the SPF. Domain-based Message Authentication, Reporting & Conformance. It provides a simple, intuitive system to help manage your complex SPF configurations. DMARC and SPF flattening service I am in need of a reputable DMARC email analysis and SPF flattening service (turns dns dmarc records into ip list so its not over 10 dns requests) I need a reputable service as this could affect our outgoing emails. Domain-based Message Authentication, Reporting & Conformance gives unprecedented insight into your organization’s email flow. Ever since Gmail anounced they’d go stict against senders that don’t have SPF set up properly, we’ve been adding all our email sending services to our SPF DNS record. Varying. But this is an extremely tedious process. com SPF record in their domain SPF records. example. Host: @. com to refer directly to the thirdparty SPF records; thus removing 2 from our count. com" domain, and use AutoSPF to "flatten" its various records. • March 2, 2023 Ecosystem News Email Security Insights Inside dmarcian SPF Before taking the extraordinary steps of using SPF Flattening to work around SPF's built-in limits, use DMARC data and dmarcian's platform to. Change sources order. SPF flattening is usually a bad idea that gets looked into because of a lack of correct SPF record creation or maintenance. As defined in sections 3. There are fewer SPF lookups as a result. spf-tools since version spf-tools/spf-tools@f4f51f7 do not output merely ip4 and ip6 records, but also keep original ptr and exists ones. If you still want to manually flatten, here's one flattened below to about 8 lookups, with one caveat. Simple enter your SPF record, click the Check SPF Record button, then scroll down to the Flattened SPF record section below to find the flattened SPF record. However, since ISP's change their IP addresses frequently, the flattened IP addresses change accordingly. Write the name of the domain as the Host. SPF Pass Rates for Verified Sources. ️ Our platform. It could also mean more complex management through the use of macros. Their blog, MxToolbox: How to Enable SPF, DMARC, and DKIM, is a great guide for setting up SPF, DKIM and DMARC in a single outbound email sender Office 365 configuration. About. This eliminates the need for DNS lookups. DKIM. It is used to reduce the number of DNS lookups required to check an SPF record. 479 John Street, Victoria, BC V8T 5H1 Canada. SPF Flattening. This includes creating and updating these records. To learn how to implement SPF/DKIM/DMARC, check out this definitive, step-by-step guide:. SPF record flattening (automatically) Feedback Feature Request Submitting & Feedback. SPF Flattening. What is SPF record splitting? When a DNS TXT exceeds 255 characters, then it must be split into multiple strings. A DNS query of type TXT should result in 1 TXT record that starts with v=spf1. This tool can flatten SPF records for free for you. One good reason for this is that some email delivery services like HelpScout, Office. The 10 lookup limit is a limit for DNS lookups. Wait while we convert your file to JPG to flatten your PDF. With SPF Flattening it will be easier to forget. We are hiring! Login; Sign Up FreeTraditional SPF flattening services can inadvertently expose authorized IPs and sending sources to potential fraudsters. When a domain name is listed in an SPF record, that tells receiving mail servers. Select Add New Record and then select TXT from the Type menu. It provides a simple, intuitive system to help manage your complex SPF configurations. SPF Macros address this concern by effectively concealing authorized sources from cybercriminals. The more 3rd-party email sources you add to your domain, such as Marketing Automation, CRMs, Customer Support, and Order Fulfillment, you quickly max. Just as fast as a regular SPF record will be updated. Choose Hosted zones. When even SPF flattening does not provide. com ~all your new SPF record. exceed 10 host lookup limit. Change sources order. You can use this tool to see if your records have propagated across all your servers, as well as identify possible DNS issues. First, sign in to your domain’s management console, choose which domain you’re adding an SPF record to, and go to ‘manage DNS records. So to avoid 'unreasonable load' on the validator, RFC7208 section 4. It provides a simple, intuitive system to help manage your complex SPF configurations. • 10-In x 10-in head is ideal for leveling and compacting surfaces for installing patios, walkways, and walls. We have 11 DNS entries, some brought in by recursion (thanks gmail!) The ip4 and ip6 entries do not contribute, only things that cause a DNS lookup count. Click Test SPF Record. Use an automated service that flattened the record and then keeps it updated. If this is the case, you can use partial Safe SPF. According to Section 10. For Enterprise users, SPF delegation is an optional add-on. You could incorporate all of appriver. We check for common errors such as using more than the 10 allowed DNS lookups. These include your own servers, your corporate Inbox Provider, 3rd party. The receiving server will issue up to 10 DNS lookups to. Opensense Blog: SPF Flattening: The Secret To Boost Your Email Deliverability Products Integrations Pricing Resources Sign In Get a demo You've. At Domains drop-down menu, select your domain name (click “Show All” if your domain is not displayed) Under the DNS & Zone Files menu, click “Edit DNS Zone File”. The reject DMARC policy can be reached safely, wisely, and quickly thanks to the SPF delegation. This tool - spflat - solved many problems and has some excellent features and characteristics. It provides a simple, intuitive system to help manage your complex SPF configurations. SPF認証の失敗は、以下のような原因で起こります。. It works by walking through the SPF tree of your record, translating every tree node into one ore more IP addresses, removing the duplicate IP addresses, then creating a new series of SPF. For example, your company may use Google Apps for Business, Workday. It reduces the number of DNS lookups. This ensures that your record is short, crisp, and valid. Demystifying SPF Macros. 11 hours ago · Bonita Fierce Coquito Candle. Domain: To get straight to the point: SPF Flattening is the ultimate solution for your ‘ Too Many DNS Lookups ’ problem. You’re using bots to send bulk emails to customers for business or marketing purposes. These include your own servers, your corporate Inbox Provider, 3rd party marketing tools, CRMs, etc. ) For example, include:spf. Semester at Sea recently hit the cap for spf text fields and needed a solution to flatten our records as well as monitor our email deliverability via dmarc. All of our paid plans come with access to our highly experienced technical support team. v=spf1: v=spf1 is the standard way that most SPF record lines of TXT begin. spf. 1 – Processing Limits states: SPF implementations MUST limit the number of mechanisms and modifiers that do DNS lookups to at most 10 per SPF check, including any lookups caused by the use of the "include" mechanism or the "redirect" modifier. com for our example without impacting the real amazon. Especially with the hard fail. Dynamic SPF flattening. Each Manual flattening basically means evaluating your desired SPF record converting all the hostnames into IP addresses along the way. The more 3rd-party email sources you add to your domain, such as Marketing Automation, CRMs, Customer Support, and Order Fulfillment, you quickly max. The MX lookup is done directly against the domain's authoritative name server, so changes to MX Records should show up instantly. Enter your domain in the ‘Host value’ field. It is very common for organizations, when constructing or modifying their SPF record, to run up against the 10 DNS lookup limit. A fim de validar e-mails, o SPF especifica ao servidor de. It can be useful for troubleshooting, and compressing SPF records. How to Flatten SPF Records. DMARC or ‘Domain-based Message Authentication, Reporting, and Conformance’ is the umbrella mechanism forming the basis of authentication checks like SPF and DKIM. Option 3: "Flatten" your SPF mechanisms. g. Script to update DNS records in Akamai FastDNS, using DNS—Zone Record Management API ). Ordered by analysis feature cost-efficiency (feature cost comparisons and additional context will be added soon) Postmark by ActiveCampaign - Free-tier available. If there is no match, the email does not pass the SPF test. Make sure you remove redundant, repeated, and NULL mechanisms within your SPF record which also adds to the character limit. It works by. 同一ドメインのDNSに複数のSPFレコードが発行されている. You need to check echoworx's SPF record and determine where your mail is coming from, because it looks like they are the main offender when it comes to lookups, just their include alone is 5 lookups. Menu. Exceeding the SPF record length limit of 255 characters. Everything is essentially squeezed into an include. com ~all. 14 and 3. There are many reasons why SPF might break and be rendered invalid by the MTA while performing DNS lookups: Exceeding the 10 SPF lookup limit. Inspect any domain's SPF record and learn how to fix it. A detailed list of the rules used externally can be found in the analysis result. At PowerDMARC, our users configure PowerSPF which is an effective SPF flattening tool. exceed 10 host lookup limit. The SPF record exceeds the 10 DNS query limit, which results in deteriorated email deliverability. The more 3rd-party email sources you add to your domain, such as Marketing Automation, CRMs, Customer Support, and Order Fulfillment, you quickly max. I have an SPF record that has too many DNS lookups. The SPF record contains a reference to external rules, which means that the validity of the SPF record depends on at least one other domain. This includes any lookups triggered by the "include" mechanism or the "redirect" modifier. Our simple DMARC Analyzer pricing packages are based on outbound DMARC-compliant mails only. In the Editor, click “Export” and then “Download PDF”. SPF flattening exists to clean up the SPF record and bring the DNS lookup under 10. _netblocks.