UPDATE: I tried with FreeBSD8 as well and the DNS query didn't work. This is beginning to look more and more like an issue with my UTStarcom *WA3002G4 ADSL2+ Router and its NAT config or the lack of it.* * * *My setup and the ip addresses:* *Router 192.168.1.1* *Windows 192.168.1.2* *Centos 5.4 192.168.1.3* *FreeBSD8 192.168.1.4* * * *The windows host works fine with no issues with DNS queries.* Best Regards, Gaurav On Tue, Mar 9, 2010 at 12:08 AM, Gaurav Nangla <gaurav.knangla at gmail.com>wrote: > [root at cent5 ~]# dig www.google.com @208.67.220.220 > > ; <<>> DiG 9.3.6-P1-RedHat-9.3.6-4.P1.el5 <<>> www.google.com @ > 208.67.220.220 > ;; global options: printcmd > ;; connection timed out; no servers could be reached > > Best Regards, > Gaurav > > > > On Mon, Mar 8, 2010 at 5:21 PM, Pitshou Asingalembi <depitsho at yahoo.fr>wrote: > >> John R Pierce wrote: >> > Gaurav Nangla wrote: >> > >> >> I can ping the google.com <http://google.com> ip addresses >> >> (209.85.231.104) but can't ping the FQDN, obviously DNS is broken. >> >> >> >> I can also ping the nameserver ip addresses specified in >> /etc/resolv.conf. >> >> >> > >> > well, the DNS servers given by your resolv.conf output seem valid from >> > here.. I recommend doing some more debugging with `host` or similar DNS >> > diagnostic tools. >> > >> > note regular DNS lookups like these tend to use UDP rather than TCP, if >> > you're behind a NAT firewall which doesn't allow outbound udp port 53 >> > and connection track the response, then things might not work well. >> > >> > >> > $ host google.com 208.67.220.220 >> > Using domain server: >> > Name: 208.67.220.220 >> > Address: 208.67.220.220#53 >> > Aliases: >> > >> > google.com has address 74.125.19.105 >> > google.com has address 74.125.19.99 >> > google.com has address 74.125.19.103 >> > google.com has address 74.125.19.106 >> > google.com has address 74.125.19.147 >> > google.com has address 74.125.19.104 >> > google.com mail is handled by 400 google.com.s9b2.psmtp.com. >> > google.com mail is handled by 200 google.com.s9a2.psmtp.com. >> > google.com mail is handled by 300 google.com.s9b1.psmtp.com. >> > google.com mail is handled by 100 google.com.s9a1.psmtp.com. >> > >> > $ host google.com 208.67.222.222 >> > Using domain server: >> > Name: 208.67.222.222 >> > Address: 208.67.222.222#53 >> > Aliases: >> > >> > google.com has address 74.125.19.105 >> > google.com has address 74.125.19.147 >> > google.com has address 74.125.19.99 >> > google.com has address 74.125.19.103 >> > google.com has address 74.125.19.104 >> > google.com has address 74.125.19.106 >> > google.com mail is handled by 400 google.com.s9b2.psmtp.com. >> > google.com mail is handled by 200 google.com.s9a2.psmtp.com. >> > google.com mail is handled by 300 google.com.s9b1.psmtp.com. >> > google.com mail is handled by 100 google.com.s9a1.psmtp.com. >> > _______________________________________________ >> > CentOS mailing list >> > CentOS at centos.org >> > http://lists.centos.org/mailman/listinfo/centos >> > >> > >> please try: >> dig www.google.com @IPofyourDNSserver >> and send me the output >> _______________________________________________ >> CentOS mailing list >> CentOS at centos.org >> http://lists.centos.org/mailman/listinfo/centos >> > > -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.centos.org/pipermail/centos/attachments/20100309/51337c46/attachment-0005.html>