Explaining CNAME DNS Record terminology

The aim of this page📝 is to explain CNAME records based on the particular example of mapping pavol.kutaj.com to pkutaj.github.io. I just needed to know the terminology, the point being that it is the target pkutaj.github.io that is the CNAME pavol.kutaj.com and not the other way around. I know it's just basic stuff…

Pavol Kutaj
1 min readJul 24, 2023
  • CNAME stands for Canonical Name.
  • It is a type of DNS record that maps one domain name to another.
  • It is used to create an alias from one domain name to another domain name.
  • For example, pavol.kutaj.com might have a CNAME record that points to pkutaj.github.io.
  • When a user accesses pavol.kutaj.com, they are referred to the root domain pkutaj.github.io.
  • The domain name that the CNAME record points to is called the canonical name or the target.
  • The domain name that has the CNAME record is called the alias.

EXAMPLE

Here is a particular record:

pavol.kutaj.com. 3600 IN CNAME pkutaj.github.io.

This record indicates that the domain pavol.kutaj.com is an alias for the domain pkutaj.github.io. The 3600 is the time-to-live (TTL) value in seconds, which specifies how long the record may be cached by resolvers. The IN stands for Internet, and the CNAME specifies the type of record.

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