[dns-operations] a dot at the end of SPF host

[Jeroen Massar]

On 2019-09-03 04:07, Wesley Peng wrote:
> Hello
> 
> I am always strange that why there is not a "." at the end of SPF host?

Because SPF records always include the full hostname (FQDN), not a label relative to the domain it is defined in.
Noting also that the text string does not have any knowledge of the $ORIGIN it is in.

See also the discussion in:
https://tools.ietf.org/html/rfc7208

Greets,
 Jeroen