[Pdns-users] TXT record length

Hugo van der Kooij hvdkooij at vanderkooij.org
Sat Oct 4 10:52:51 UTC 2008

Hash: SHA1

Paul J. Smith wrote:

> One other requirement I have is for long TXT records for some SPF and domainkeys records.  These can get very long.  They currently exceed the 250 characters in a few cases.  I've looked at the mysql db schema on the mysql backup and I think the TXT type is 255 chars or thereabouts.  Is there any problem in extending this?  Has anyone done it?  The problem we have is that there are some domainkeys and spf records that currently exceed this by a fair bit, so we need a longer TXT field.

You also seem to like long lines ;-)

But I have a very hard time trying to understand why someone need to
have a SPF record that exceeds 250 characters.

And as far as domainkeys go. The 2 biggest players I have seen seem to
be infested with dummy accounts anyway. So there is very little added
value in the whole domainkey infrastructure.


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