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SPF Record Checker: Check Your Email Domain’s SPF Record

Check your email domain’s SPF record easily

What Does SPF Record Checker Do?

SPF (Sender Policy Framework) is a method for email authentication, designed to authenticate the sender of an email. An SPF record is used by an Internet Service Provider to verify whether an email server is authorized to send emails for a domain or not. SPF Record Checker checks whether an SPF record for your email domain exists or not.

If you don’t have an SPF record on your email domain, TDMARC can help!

How is SPF Record Checker Useful?

The email domain owner, using the SPF record, can direct the email receivers to fail the authentication for emails that are not sent from the authorized IP addresses. This gives the email owner the required authority to control which emails get authenticated by the mailboxes. This online SPF Checker tool helps you verify the presence and validity of your email domain’s SPF record.

Why is SPF Record Important for Email Security?

DMARC functions properly only when the other two protocols i.e. DKIM and SPF are aligned properly. SPF is an important part of email security because:

  • Proper SPF alignment can ensure only legitimate emails get delivered to the recipient’s inbox
  • SPF can also assist in boosting your email domain reputation

The addition of an SPF record to the email domain is the first step towards aligning the three email authentication protocols.

By using this online SPF Record Checker tool, you can easily view if your SPF record exists or not. This is important for solidifying your outbound email security.

Structure of an SPF Record

SPF records are defined using the TXT record type. An SPF record is usually defined as a single string of text. Usually, the SPF record starting with v= element is the one that indicates the SPF version that is being used. The most common SPF version in use is spf1 since it is easily understood by most email exchanges.

An example of the structure of an SPF record

v=spf1 a mx ip4:69.64.153.131 include:_spf.google.com ~all

The version indicators are followed up with terms that are made up of modifiers and mechanisms. The terms define rules set for which hosts can send mail from the domain as well as these provide additional information for processing the SPF record.

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Threatcop DMARC (TDMARC) is an Anti-Spoofing and DMARC Deployment tool that allows you to deploy DMARC best practices simply and efficiently. TDMARC offers features like Smart SPF, Smart DMARC, and Smart BIMI which allow you to set up these email protocols directly from the dashboard.

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FAQs: SPF Record Checker

1. What is an SPF record?

An SPF record is a type of email authentication protocol that consists of a set of IP addresses that are authorized to be used for sending emails from a particular email domain. It is used by Internet Service Provider to verify whether an email server is authorized to send emails for a domain or not.

Creating an SPF record requires the domain owner to collect the IP addresses used to send email, make a list of the domains to be used for sending emails, and finally create the SPF record and publish it to the DNS.

For checking whether or not an email passes SPF authentication, the receiving mail servers may have to make multiple DNS lookups. However, to protect the receiving mail servers against denial of service attacks, these servers are not permitted to make more than 10 domain lookups while evaluating the SPF record for an incoming email. SPF Flattening is a technique to prevent this situation.

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