DNS lookup in FC2 still slow.

Yang Xiao yxiao2004 at gmail.com
Fri Aug 6 16:22:24 UTC 2004


On Thu, 05 Aug 2004 19:39:11 -0400, Ben Vitale <bsvitale at comcast.net> wrote:
> Yang Xiao wrote:
> <snip>
> 
> >>again, have you tried to use different DNS servers for queries and
> >>what is performance?
> >>where is the dig output from your current DNS server queries?
> >>
> >>check for contrack use lsmod
> >>iptables -L -n will show you active iptables rule set
> >>
> >>Yang
> >>
> >>
> >>
> >P.S can you send the /etc/nsswitch.conf and /etc/resolv.conf file?
> >
> >Yang
> >
> >
> >
> >
> /etc/nsswitch.conf and /etc/resolv.conf are attached.
> 
> Query times from the 4 servers in my resolv.conf, starting at the top:
> 
> ;; Query time: 16 msec
> ;; SERVER: 68.48.0.6#53(ns02.rtchrd01.md.comcast.net)
> ;; WHEN: Thu Aug  5 19:32:25 2004
> ;; MSG SIZE  rcvd: 436
> 
> ;; Query time: 25 msec
> ;; SERVER: 68.87.96.16#53(68.87.96.16)
> ;; WHEN: Thu Aug  5 19:34:26 2004
> ;; MSG SIZE  rcvd: 436
> 
> ;; Query time: 18 msec
> ;; SERVER: 68.48.0.12#53(68.48.0.12)
> ;; WHEN: Thu Aug  5 19:34:56 2004
> ;; MSG SIZE  rcvd: 436
> 
> ;; Query time: 25 msec
> ;; SERVER: 68.87.96.15#53(68.87.96.15)
> ;; WHEN: Thu Aug  5 19:35:09 2004
> ;; MSG SIZE  rcvd: 436
> 
> [bvitale at vandelay ~]$ /sbin/lsmod | grep conntrack
> [bvitale at vandelay ~]$
> 
> This makes sense, since I did not setup an iptables firewall.
> 
> Ben
search alxndr01.va.comcast.net
nameserver 68.48.0.6
nameserver 68.87.96.16
nameserver 68.48.0.12
nameserver 68.87.96.15

the query time is fine, but does this look right to you? why is the
search suffix alxndr01.va.comcast.net? take it out and try again.

Yang





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