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whatsmydns.net CNAME Record Lookup tool lets you query DNS servers and get instant results.
Canonical Name, Alias, or CNAME lookups are used to determine the CNAME records associated with a domain.
Looking for easier to understand results? Use the Global DNS Checker tool.
CNAME records, known as Canonical Name records or alias records are used to point records to other records like A records or AAAA records. It is also possible to point them to other CNAME records, however this technique is not recommended as it introduces additional DNS lookups as each record in the chain is resolved.
An example CNAME record may look like the following:
www represents identifier of the record. CNAME records cannot be used on the root of a domain.
CNAME is the record type.
example.com is the value of the record. This will mean that the
www record will resolve to the IP address of the record associated with
3600 is the TTL (time to live) of the record in seconds, this example represents 1 hour. This means that when a record has had updates made to it, then it will take 1 hour to update.