watchWWW/cisco.com/akadns.net/edgekey.netについて、ここに記述してください。
NSの依存関係も複雑だ。
$ dnsq a wwwds.cisco.com.edgekey.net a.gtld-servers.net
1 wwwds.cisco.com.edgekey.net: 502 bytes, 1+0+13+10 records, response, noerror query: 1 wwwds.cisco.com.edgekey.net authority: edgekey.net 172800 NS ns1-66.akam.net authority: edgekey.net 172800 NS usw6.akam.net authority: edgekey.net 172800 NS adns1.akam.net authority: edgekey.net 172800 NS ns4-66.akam.net authority: edgekey.net 172800 NS ns7-65.akam.net authority: edgekey.net 172800 NS ns5-66.akam.net authority: edgekey.net 172800 NS a6-65.akam.net authority: edgekey.net 172800 NS a5-65.akam.net authority: edgekey.net 172800 NS a16-65.akam.net authority: edgekey.net 172800 NS a18-65.akam.net authority: edgekey.net 172800 NS a28-65.akam.net authority: edgekey.net 172800 NS a13-65.akam.net authority: edgekey.net 172800 NS a26-65.akam.net additional: ns1-66.akam.net 172800 A 193.108.91.66 additional: ns1-66.akam.net 172800 28 &\000\024\001\000\002\000\000\000\000\000\000\000\000\000B additional: usw6.akam.net 172800 A 23.61.199.64 additional: adns1.akam.net 172800 A 96.7.50.66 additional: ns4-66.akam.net 172800 A 84.53.139.66 additional: ns7-65.akam.net 172800 A 96.7.49.65 additional: ns5-66.akam.net 172800 A 184.85.248.66 additional: a6-65.akam.net 172800 A 23.211.133.65 additional: a6-65.akam.net 172800 28 &\000\024\001\000\001\000\000\000\000\000\000\000\000\000A additional: a5-65.akam.net 172800 A 95.100.168.65
$ dnsq a wwwds.cisco.com.edgekey.net ns1-66.akam.net
1 wwwds.cisco.com.edgekey.net: 106 bytes, 1+1+0+0 records, response, authoritative, noerror query: 1 wwwds.cisco.com.edgekey.net answer: wwwds.cisco.com.edgekey.net 21600 CNAME wwwds.cisco.com.edgekey.net.globalredir.akadns.net
そしてここもCNAME
おまけの確認
$ dnsq any cisco.com.edgekey.net ns1-66.akam.net 255 cisco.com.edgekey.net: 102 bytes, 1+0+1+0 records, response, authoritative, nxdomain query: 255 cisco.com.edgekey.net authority: edgekey.net 180 SOA ns1-2.akamai.com hostmaster.akamai.com 1458418081 900 300 604800 180