From tcpdump:
Sep 12 23:03:43 server named[25095]: error (unexpected RCODE SERVFAIL) resolving 'exitlist.torproject.org.www.mydomain.com/A/IN': ip#53
OS: CentOS 6 resolv.conf
search www.domain.com domain.com
nameserver 127.0.0.1
nameserver 8.8.8.8
nameserver 8.8.8.8
Using Bind with recursion in options off No firewall on Hosts file is normal
ifcfg-em1:
DEVICE="em1"
BOOTPROTO="static"
DNS1="8.8.8.8"
DNS2="8.8.4.4"
DNS3="127.0.0.1"
GATEWAY="edited"
HWADDR="edited"
IPADDR="server_ip"
IPV6INIT="yes"
NETMASK="255.255.255.0"
NM_CONTROLLED="yes"
ONBOOT="yes"
TYPE="Ethernet"
`'
; <<>> DiG 9.8.2rc1-RedHat-9.8.2-0.10.rc1.el6_3.2 <<>> google.com. @localhost
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57512
;; flags: qr rd ra; QUERY: 1, ANSWER: 6, AUTHORITY: 4, ADDITIONAL: 4
;; QUESTION SECTION:
;google.com. IN A
;; ANSWER SECTION:
google.com. 300 IN A 173.194.78.101
google.com. 300 IN A 173.194.78.138
google.com. 300 IN A 173.194.78.139
google.com. 300 IN A 173.194.78.100
google.com. 300 IN A 173.194.78.113
google.com. 300 IN A 173.194.78.102
;; AUTHORITY SECTION:
google.com. 172131 IN NS ns2.google.com.
google.com. 172131 IN NS ns1.google.com.
google.com. 172131 IN NS ns4.google.com.
google.com. 172131 IN NS ns3.google.com.
;; ADDITIONAL SECTION:
ns2.google.com. 172131 IN A 216.239.34.10
ns1.google.com. 172131 IN A 216.239.32.10
ns3.google.com. 172131 IN A 216.239.36.10
ns4.google.com. 172131 IN A 216.239.38.10
;; Query time: 18 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu Sep 13 00:23:16 2012
;; MSG SIZE rcvd: 260
p.s. can't even access site with domain anymore.