watchWWW/chibabank.co.jpについて、ここに記述してください。
これを追跡してみよう。
www.chibabank.co.jp. 300 IN CNAME www.chibabank.co.jp.edgekey.net. www.chibabank.co.jp.edgekey.net. 21566 IN CNAME e7270.g.akamaiedge.net. e7270.g.akamaiedge.net. 575 IN A 104.78.200.39
ここから：
%dnsq a www.chibabank.co.jp a.dns.jp 1 www.chibabank.co.jp: 167 bytes, 1+0+6+0 records, response, noerror query: 1 www.chibabank.co.jp authority: chibabank.co.jp 86400 NS a1-12.akam.net authority: chibabank.co.jp 86400 NS a14-67.akam.net authority: chibabank.co.jp 86400 NS a9-67.akam.net authority: chibabank.co.jp 86400 NS a20-64.akam.net authority: chibabank.co.jp 86400 NS a6-66.akam.net authority: chibabank.co.jp 86400 NS a3-65.akam.net
さっそくCNAME
%dnsq a www.chibabank.co.jp a1-12.akam.net 1 www.chibabank.co.jp: 82 bytes, 1+1+0+0 records, response, authoritative, noerror query: 1 www.chibabank.co.jp answer: www.chibabank.co.jp 300 CNAME www.chibabank.co.jp.edgekey.net
まずはedgekey.netの構成を調べなくては。watchNS/edgekey.net
%dnsq a www.chibabank.co.jp.edgekey.net a.gtld-servers.net 1 www.chibabank.co.jp.edgekey.net: 506 bytes, 1+0+13+10 records, response, noerror query: 1 www.chibabank.co.jp.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 a12-65.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 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: a12-65.akam.net 172800 A 184.26.160.65