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 root@abassi 0403 152639 /usr/var/log>host -t ns -v -i 67.196.138
Query about 138.196.67.in-addr.arpa. for record types NS
Trying 138.196.67.in-addr.arpa ...
Query done, 2 answers, authoritative status: no error
138.196.67.in-addr.arpa 86400   IN      NS      ns1.sizone.org
138.196.67.in-addr.arpa 86400   IN      NS      ns3.heavycomputing.ca
Additional information:
ns1.sizone.org          86400   IN      A       67.196.137.163
ns3.heavycomputing.ca   10800   IN      A       209.44.123.227
 root@abassi 0403 152744 /usr/var/log>host -t ns -v -i 67.196.138 ns1.nac.net
Server: ns1.nac.net
Address: 207.99.0.41

Query about 138.196.67.in-addr.arpa. for record types NS
Trying 138.196.67.in-addr.arpa ...
Query done, 2 answers, authoritative status: no error
138.196.67.in-addr.arpa 43200   IN      NS      ns1.nac.net
138.196.67.in-addr.arpa 43200   IN      NS      ns2.nac.net
Additional information:
ns1.nac.net             3600    IN      A       207.99.0.41
ns2.nac.net             3600    IN      A       207.99.0.42
 root@abassi 0403 152754 /usr/var/log>