May 9, 2025
7:17 a.m.
On 9 May 2025, at 8:39, Mats Dufberg via Ns.se wrote:
It is interesting to note that there is a dedicated RR type for the SPF function, SPF RR type, but that is deprecated. Instead TXT RR type should be used.
One of the largest mistakes made.
It is kind of backwards.
Indeed.
Fighting the use of TXT records for various function would be a life-time struggle.
Let me recommend RFC 5507 from IAB with me and Austein as authors: <https://datatracker.ietf.org/doc/html/rfc5507> 5507 Design Choices When Expanding the DNS. IAB, P. Faltstrom, Ed., R. Austein, Ed., P. Koch, Ed.. April 2009. (Format: TXT, HTML) (Status: INFORMATIONAL) (DOI: 10.17487/RFC5507) Patrik