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Re: Lame RFC1918 delegations

  • From: Kevin Steves
  • Date: Thu Apr 16 01:06:34 1998

On Fri, 3 Apr 1998, Barry Margolin wrote:
>    From: bmanning@isi.edu
>    Posted-Date: Fri, 3 Apr 1998 11:36:10 -0800 (PST)
>    Date: Fri, 3 Apr 1998 11:36:10 -0800 (PST)
> 
> 
>    The primary for these zones moved to a dedicated server (blackhole.isi.edu)
>    in early february 1998.  Due to an unfortunate confluence of events, 
>    this week we identified several points of misconfiguration in both
>    zone files and system configuration files.  Talking with the sysadmin
>    this morning leads me to believe that the system is working properly.
> 
>    26% dig -x 172.16 any @blackhole.isi.edu
> 
> This is *not* proper, it's a Lame Delegation.  That query should return an
> SOA record and it should have the Authoritative Answer flag set.

There are *still* problems:

$ check_soa 16.172.in-addr.arpa.
RS0.INTERNIC.NET is not authoritative for 16.172.in-addr.arpa.
NS2.INTERNIC.NET is not authoritative for 16.172.in-addr.arpa.
BLACKHOLE.ISI.EDU is not authoritative for 16.172.in-addr.arpa.
$ check_soa 10.in-addr.arpa.
NS2.INTERNIC.NET has serial number 199714
BLACKHOLE.ISI.EDU has serial number 199714
RS0.INTERNIC.NET is not authoritative for 10.in-addr.arpa.
$ check_soa 168.192.in-addr.arpa.
RS0.INTERNIC.NET is not authoritative for 168.192.in-addr.arpa.
NS2.INTERNIC.NET has serial number 199713
BLACKHOLE.ISI.EDU has serial number 199713





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