DiG 9.3.6-P1 segfaults on CentOS

[Mark Andrews]

In message <B4FD91B6-C9DA-47DB-88BF-7F9AF7883A6A at smtps.net>, Brian Keefer write
s:
> Downloading the tarball for bind-9.7.2-P1 from ftp.isc.org and building it fr
> om source fixed the segfault issue.
> 
> I'm still seeing a (possibly related) issue where if I do dig +trace txt <dns
> bl record> it takes 6-10 seconds (measured by time(1)) to complete, all after
>  printing the authoritative server for DNSBL (prior to printing answer).
> 
> If I do dig @<dnsbl.hostname> txt <dnsbl record> I get the same pause. If I d
> o dig @<dnsbl IP> txt <dnsbl record> there is no pause.  There is also no pau
> se if I do dig <dnsbl.hostname>.  It doesn't look like there's any issue reso
> lving the A RR, so why the long pause with dig +trace or dig @hostname vs. di
> g @IP?

And if you look for IPv6 addresses?

	dig aaaa <dnsbl.hostname>
 
> I'm only getting this behavior with this particular DNSBL, so far as I know. 
> The DNSBL runs a modified (only the back-end, SFAIK) version of rbldnsd.
> 
> --
> bk
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-- 
Mark Andrews, ISC
1 Seymour St., Dundas Valley, NSW 2117, Australia
PHONE: +61 2 9871 4742                 INTERNET: marka at isc.org