Top Deliverability’s Blog
Spam Resource: DELIVTERMS: FQDN
- April 12, 2023
- Posted by: Top Deliverability
- Category: Industry News Spam Resource
Al Iverson just shared another insightful blog on Spam Resource:
Today, let’s define the term “fully qualified domain name,” aka FQDN.It can seem like a bit of a complicated term for a simple thing. What’s an FQDN? It’s a whole internet address. Sometimes it might be called a subdomain (I’m guilty of this), or an internet hostname. Think of it as the server name or host name + the domain name. For www.spamresource.com, www would be the hostname or server name, and then spamresource.com is the domain name. So www.spamresource.com is an FQDN, a fully qualified domain name.If somebody asks you if you have a DMARC record for the FQDN email.spamresource.com, you would specifically enter “email.spamresource.com” in a DMARC record lookup tool. This could be called checking for a DMARC record at the FQDN level or at the subdomain level.In the case of sending from a subdomain, like email.spamresource.com, that subdomain would also be considered an FQDN, for purposes of
Read more from the original source: DELIVTERMS: FQDN
Email Service Providers Handbook
The most comprehensive “Handbook of Email Service Providers“!
All SpamAssassin rules in one place, EXPLAINED!
& REPLY CODES
All SMTP/ESMTP commands and reply codes in one place, EXPLAINED!
Free DNS Tool
Check the DNS records of your domain with our free DNS tool.
The most comprehensive Email Deliverability and Marketing Glossary!
- Term: Fully Qualified Domain Name (FQDN)
- Term: Subdomain
- Term: Domain Message Authentication Reporting & Conformance (DMARC)
- Term: Email Service Provider (ESP)
- Term: Deliverability
- Term: SpamAssassin
- Term: Extended Simple Mail Transfer Protocol (ESMTP)
- Term: Simple Mail Transfer Protocol (SMTP)
- Term: Domain Name System (DNS)