TXT & SPF Record Syntax
tundra at tundraware.com
Sun Feb 28 23:41:05 UTC 2021
I am trying to understand when the LHS of a TXT record needs to be terminated with '.'.
For example, I see this one of the machines I am managing. The server in question is
the zone authority for foo.com:
foo.com. IN TXT "v=spf1 ...
foo.com. IN SPF "v=spf1 ...
something._domainkey IN TXT "v=DKIM1 ...
_dmark.foo.com. IN TXT "v=DMARC1 ...
Could some kind soul explain why the DKIM key name does not require the trailing period, but
why all the foo.com entries do?
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