Quoting Wechsler (wechsler(_at_)phase(_dot_)org):
John Capo wrote:
example.com:
_spf IN TXT "v=spf1 -all"
OK, _spf as TXT seems to work on my system (now?). I have:
phase.org. IN A 212.13.198.241
_spf IN TXT "v=spf1 ?all" <--- line 23
_spf IN A 212.13.198.241 <--- line 24
sentinel3 IN A 62.3.233.198
heifong IN A 212.13.198.241
and bind is restarted
I then get:
heifong:/# named -v
named 8.4.3-NOESW Mon Dec 8 21:07:09 MST 2003
lamont(_at_)mix(_dot_)mmjgroup(_dot_)com:/usr/local/src/Packages/bind/bind-8.4.3/src/bin/named
heifong:/# host -t txt _spf.phase.org
_spf.phase.org TXT "v=spf1 ?all"
heifong:/# host -t a _spf.phase.org
_spf.phase.org has no A record (Authoritative answer)
(I don't have dig on that machine, FWIW)
So _spf as A doesn't seem to work; and I'm sure I've seen it used in
exists: macros (in fact the perl module test.txt might contain this)
/var/log named gives me:
14-Jan-2004 10:14:08.608 owner name "_spf.phase.org" IN (primary) is
invalid - rejecting
14-Jan-2004 10:14:08.608 /etc/bind/db.phase.org:24: owner name error
14-Jan-2004 10:14:08.608 /etc/bind/db.phase.org:24: Database error near (A)
14-Jan-2004 10:14:08.609 master zone "phase.org" (IN) rejected due to
errors (serial 2004011404)
I also know that PHP4.x refuses to do DNS lookups on domains with _ but
then its DNS support is terrible anyway.
Perhaps 8.4.X changed things, or the resolver code for your OS
doesn't like underscores. I dunno.
There appears to be zero interest in using _spf anyway.
John Capo
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