watchNS/cdc.govについて、ここに記述してください。

$ dnsq a ww.cdc.gov a.gov-servers.net

1 ww.cdc.gov:
182 bytes, 1+0+5+3 records, response, noerror
query: 1 ww.cdc.gov
authority: cdc.gov 86400 NS ns1.cdc.gov
authority: cdc.gov 86400 NS ns2.cdc.gov
authority: cdc.gov 86400 NS ns3.cdc.gov
authority: cdc.gov 86400 NS auth00.ns.uu.net
authority: cdc.gov 86400 NS auth100.ns.uu.net
additional: ns1.cdc.gov 86400 A 198.246.96.61
additional: ns2.cdc.gov 86400 A 198.246.96.92
additional: ns3.cdc.gov 86400 A 198.246.125.10