CDN/amazon/cloudfrontについて、ここに記述してください。
多段のCNAMEはあきらめるしかなさそう。
CNAMEを追いかける手間よりもNSを追いかける手間が大変そう。 -- ToshinoriMaeno 2017-06-09 07:21:16
www.axn.co.jp 300 CNAME d2e70g8pumtuar.cloudfront.net
%dnsq a www.axn.co.jp a.dns.jp ~/dnsq/0604 1 www.axn.co.jp: 232 bytes, 1+0+6+0 records, response, noerror query: 1 www.axn.co.jp authority: axn.co.jp 86400 NS pdns71.ultradns.biz authority: axn.co.jp 86400 NS pdns71.ultradns.org authority: axn.co.jp 86400 NS pdns71.ultradns.net authority: axn.co.jp 86400 NS pdns71.ultradns.co.uk authority: axn.co.jp 86400 NS pdns71.ultradns.info authority: axn.co.jp 86400 NS pdns71.ultradns.com
%dnsq a www.axn.co.jp pdns71.ultradns.net
1 www.axn.co.jp: 74 bytes, 1+1+0+0 records, response, authoritative, noerror query: 1 www.axn.co.jp answer: www.axn.co.jp 300 CNAME d2e70g8pumtuar.cloudfront.net
%dnsq a d2e70g8pumtuar.cloudfront.net a.gtld-servers.net
1 d2e70g8pumtuar.cloudfront.net: 216 bytes, 1+0+4+2 records, response, noerror query: 1 d2e70g8pumtuar.cloudfront.net authority: cloudfront.net 172800 NS ns-666.awsdns-19.net authority: cloudfront.net 172800 NS ns-418.awsdns-52.com authority: cloudfront.net 172800 NS ns-1597.awsdns-07.co.uk authority: cloudfront.net 172800 NS ns-1306.awsdns-35.org additional: ns-666.awsdns-19.net 172800 A 205.251.194.154 additional: ns-418.awsdns-52.com 172800 A 205.251.193.162
%dnsq a d2e70g8pumtuar.cloudfront.net ns-666.awsdns-19.net
1 d2e70g8pumtuar.cloudfront.net: 184 bytes, 1+0+4+0 records, response, noerror query: 1 d2e70g8pumtuar.cloudfront.net authority: d2e70g8pumtuar.cloudfront.net 1831 NS ns-123.awsdns-15.com authority: d2e70g8pumtuar.cloudfront.net 1831 NS ns-1269.awsdns-30.org authority: d2e70g8pumtuar.cloudfront.net 1831 NS ns-1882.awsdns-43.co.uk authority: d2e70g8pumtuar.cloudfront.net 1831 NS ns-567.awsdns-06.net
%dnsq a d2e70g8pumtuar.cloudfront.net ns-123.awsdns-15.com
1 d2e70g8pumtuar.cloudfront.net: 312 bytes, 1+8+4+0 records, response, authoritative, noerror query: 1 d2e70g8pumtuar.cloudfront.net answer: d2e70g8pumtuar.cloudfront.net 60 A 52.222.205.194 answer: d2e70g8pumtuar.cloudfront.net 60 A 52.222.205.97 answer: d2e70g8pumtuar.cloudfront.net 60 A 52.222.205.191 answer: d2e70g8pumtuar.cloudfront.net 60 A 52.222.205.231 answer: d2e70g8pumtuar.cloudfront.net 60 A 52.222.205.60 answer: d2e70g8pumtuar.cloudfront.net 60 A 52.222.205.11 answer: d2e70g8pumtuar.cloudfront.net 60 A 52.222.205.205 answer: d2e70g8pumtuar.cloudfront.net 60 A 52.222.205.14 authority: d2e70g8pumtuar.cloudfront.net 172800 NS ns-123.awsdns-15.com authority: d2e70g8pumtuar.cloudfront.net 172800 NS ns-1269.awsdns-30.org authority: d2e70g8pumtuar.cloudfront.net 172800 NS ns-1882.awsdns-43.co.uk authority: d2e70g8pumtuar.cloudfront.net 172800 NS ns-567.awsdns-06.net