Package: bind9-host
Version: 1:9.2.4-1
Severity: normal
Hi LaMont!
I cannot actually tell if it's a bug or not, but it causes quite a problem with
postfix:
----------------- snip ----------------
# host -v -t mx p-net.de ns.vnet.de
Trying "p-net.de"
Using domain server:
Name: ns.vnet.de
Address: 195.4.192.5#53
Aliases:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 33635
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0
;; QUESTION SECTION:
;p-net.de. IN MX
;; AUTHORITY SECTION:
p-net.de. 86400 IN SOA ns.vnet.de. support.iworld.de.
2006010202 28800 7200 604800 86400
Received 85 bytes from 195.4.192.5#53 in 40 ms
------------------- snap -----------------------
As you can see, the server is authoritative and returns no result for the MX
lookup.
The Postfix on that box makes of that:
Jan 25 10:21:05 ns3 postfix/smtp[7249]: 2EFFE19402E: to=<[EMAIL PROTECTED]>,
relay=none, delay=0, status=bounced (mail for p-net.de loops
back to myself)
If I do the VERY SAME on my Debian/testing box, I get:
-------------- snip ---------------
# host -v -t mx p-net.de ns.vnet.de
Server: ns.vnet.de
Address: 195.4.192.5
Query about p-net.de for record types MX
Trying p-net.de ...
Query failed, 0 answers, authoritative status: no error
Authority information:
p-net.de 86400 IN SOA ns.vnet.de support.iworld.de (
2006010202 ;serial (version)
28800 ;refresh period (8 hours)
7200 ;retry interval (2 hours)
604800 ;expire time (1 week)
86400 ;default ttl (1 day)
)
p-net.de has no MX record at ns.vnet.de (Authoritative answer)
------------------------ snap -----------------
So, it's a different result from the DNS.
And postfix reacts accordingly -- as expected (by me, that is):
Jan 25 10:22:26 mail postfix/smtp[20375]: 041692206A3: to=<[EMAIL PROTECTED]>,
relay=none, delay=1, delays=0.96/0.07/0/0,
dsn=5.4.4, status=bounced (Host or domain name not found. Name service error
for name=p-net.de type=A: Host found but no data record of
requested type)
So, is this a bug in the resolver, libc6 or what is it?
-- System Information:
Debian Release: 3.1
Architecture: i386 (i686)
Kernel: Linux 2.6.15.1
Locale: LANG=C, LC_CTYPE=C (charmap=ANSI_X3.4-1968)
Versions of packages bind9-host depends on:
ii libc6 2.3.2.ds1-22 GNU C Library: Shared libraries an
ii libdns16 1:9.2.4-1 DNS Shared Library used by BIND
ii libisc7 1:9.2.4-1 ISC Shared Library used by BIND
ii libssl0.9.7 0.9.7e-3sarge1 SSL shared libraries
-- no debconf information
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