lowpingdns

[root@web ~]# nslookup google.ca
Server:         172.30.2.8
Address:        172.30.2.8#53

Non-authoritative answer:
Name:   google.ca
Address: 173.194.43.95
Name:   google.ca
Address: 173.194.43.87
Name:   google.ca
Address: 173.194.43.88

[root@web ~]# nslookup lowpingservers.com
;; Got SERVFAIL reply from 172.30.2.8, trying next server
Server:         8.8.8.8
Address:        8.8.8.8#53

Non-authoritative answer:
Name:   lowpingservers.com
Address: 162.251.164.109

[root@web ~]# service named restart
Stopping named: .                                          [  OK  ]
Starting named:                                            [  OK  ]
[root@web ~]# nslookup lowpingservers.com
;; Got SERVFAIL reply from 172.30.2.8, trying next server
Server:         8.8.8.8
Address:        8.8.8.8#53

Non-authoritative answer:
Name:   lowpingservers.com
Address: 162.251.164.109

[root@web ~]# nslookup yahoo.com
Server:         172.30.2.8
Address:        172.30.2.8#53

Non-authoritative answer:
Name:   yahoo.com
Address: 206.190.36.45
Name:   yahoo.com
Address: 98.138.253.109
Name:   yahoo.com
Address: 98.139.183.24

[root@web ~]# nslookup cybergamershosting.com
Server:         172.30.2.8
Address:        172.30.2.8#53

Non-authoritative answer:
Name:   cybergamershosting.com
Address: 64.79.107.86

[root@web ~]#