Question: How Long Can A SPF Record Be?

How do I add an existing SPF record?

To update an existing SPF record:If your current SPF record was: v=spf1 include:_spf.google.com ~all.You’d then insert the following: include:_spf.quotientapp.com.… your final record would look like: v=spf1 include:_spf.google.com include:_spf.quotientapp.com ~all..

Is it OK to have multiple SPF records?

Multiple SPF records are not recommended. Therefore, before adding an SPF record please check if there is already one setup for your domain. If there is an SPF record setup for your domain, you can merge the original record and the new one you wish to setup.

What is a valid SPF record?

An SPF record (Sender Policy Framework record) is the core of an SPF implementation in which the SPF policy is defined. An SPF record is published in the DNS (Domain Name Service) and it contains a list of authorized email servers which can send email on behalf of your domain name.

How do I check my SPF record?

You can manually check the Sender Policy Framework (SPF) record for a domain by using nslookup as follows:Open Command prompt (Start > Run > cmd)Type “nslookup -type=txt” a space, and then the domain/host name. … If an SPF record exists, the result would be similar to:More items…•

How do I merge two SPF records?

Adding the new SPF record In the DNS settings, first remove the current SPF record. Once that is done, add a new TXT record, type @ in the Name field, and then paste the merged SPF record in the data field. Then save the new record.

Why SPF record is important?

SPF records prevent sender address forgery by protecting the envelope sender address, allowing the domain administrator to specify which mail server are allowed to send mail from their domain. … SPF is an open standard and is constantly updated by the vast community of its supporters.

What happens if no SPF record?

If you fail SPF authentication, most ISPs will give you a poor reputation score and route your email to the spam or junk folder — some may even just block the email entirely. This is a DNS TXT record that specifies what IPs and other systems are allowed to send an email on behalf of microsoft.com.

What does SPF fail mean?

is not authorizedFail means the IP address is not authorized to send from the domain. The SPF record does not contain the sending server or IP address used for sending email to the mailbox provider. Update your SPF record with your sending server or IP address information.

Can you have more than one TXT record in DNS?

Multiple TXT records are completely legal per the DNS standards. Multiple TXT records implementing a specific standard can potentially be illegal, but only within the scope of that one standard.

Can I have multiple DKIM records?

Multiple DKIM records A domain can have as many DKIM public keys as servers that send and sign mail. … The policy record contains information about the DKIM signing policy and the email address of the postmaster. There should only ever be one of these.

How do I shorten an SPF record?

Here are some common ways to optimize your SPF record character space:Remove mechanisms that resolve to the same domain. Remove any mechanisms from your SPF record that resolve to the same domain. … Avoid ptr mechanisms. … Remove legacy partner and vendor domains. … Check the address range. … Create an SPF specific subdomain.

Is SPF record necessary?

SPF records are used to prevent spammers from spoofing your domain name. Recipient servers can use the SPF record you publish in DNS to determine whether an email that they have received has come from an authorized server or not. … Over recent years SPF has gone from a “nice to have” to a “must have”.

What is SPF record for email?

A Sender Policy Framework (SPF) record is a DNS record that identifies specific mail servers that are allowed to send email on behalf of your domain.

How do you check if my IP is blacklisted?

If your IP address has been blacklisted and you want to investigate, you’ll need to visit the blacklist’s website and do a lookup on your IP address. Most blacklist databases will provide general listing reasons, but don’t list specific email addresses tied to blacklisted IP addresses.

What is SPF lookup?

SPF Record Check – Lookup SPF Records Sender Policy Framework (SPF) records allow domain owners to publish a list of IP addresses or subnets that are authorized to send email on their behalf. The goal is to reduce the amount of spam and fraud by making it much harder for malicious senders to disguise their identity.