watchWWW/ibm.comについて、ここに記述してください。
$ dig www.ibm.com
; <<>> DiG 9.11.2 <<>> www.ibm.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 14505 ;; flags: qr rd ra; QUERY: 1, ANSWER: 4, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;www.ibm.com. IN A ;; ANSWER SECTION: www.ibm.com. 3600 IN CNAME www.ibm.com.cs186.net. www.ibm.com.cs186.net. 60 IN CNAME www2.ibm.com.edgekey.net. www2.ibm.com.edgekey.net. 3600 IN CNAME e2874.dscx.akamaiedge.net. e2874.dscx.akamaiedge.net. 20 IN A 72.246.221.37 ;; Query time: 575 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Mon Dec 11 13:37:08 JST 2017 ;; MSG SIZE rcvd: 162
$dnsq a www2.ibm.com.edgekey.net a.gtld-servers.net ~ 1 www2.ibm.com.edgekey.net: 499 bytes, 1+0+13+10 records, response, noerror query: 1 www2.ibm.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 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
%dnsq a www2.ibm.com.edgekey.net a12-65.akam.net ~ 1 www2.ibm.com.edgekey.net: 100 bytes, 1+1+0+0 records, response, authoritative, noerror query: 1 www2.ibm.com.edgekey.net answer: www2.ibm.com.edgekey.net 21600 CNAME www2.ibm.com.edgekey.net.globalredir.akadns.net
%dnsq a www2.ibm.com.edgekey.net.globalredir.akadns.net a.gtld-servers.net 1 www2.ibm.com.edgekey.net.globalredir.akadns.net: 370 bytes, 1+0+10+5 records, response, noerror query: 1 www2.ibm.com.edgekey.net.globalredir.akadns.net authority: akadns.net 172800 NS a3-129.akadns.net authority: akadns.net 172800 NS a7-131.akadns.net authority: akadns.net 172800 NS a11-129.akadns.net authority: akadns.net 172800 NS a1-128.akadns.net authority: akadns.net 172800 NS a9-128.akadns.net authority: akadns.net 172800 NS a5-130.akadns.org authority: akadns.net 172800 NS a13-130.akadns.org authority: akadns.net 172800 NS a28-129.akadns.org authority: akadns.net 172800 NS a12-131.akadns.org authority: akadns.net 172800 NS a18-128.akadns.org additional: a3-129.akadns.net 172800 A 96.7.49.129 additional: a7-131.akadns.net 172800 A 23.61.199.131 additional: a11-129.akadns.net 172800 A 84.53.139.129 additional: a1-128.akadns.net 172800 A 193.108.88.128 additional: a9-128.akadns.net 172800 A 184.85.248.128
19:57f%dnsq a www2.ibm.com.edgekey.net.globalredir.akadns.net a11-129.akadns.net 1 www2.ibm.com.edgekey.net.globalredir.akadns.net: 101 bytes, 1+1+0+0 records, response, noerror query: 1 www2.ibm.com.edgekey.net.globalredir.akadns.net answer: www2.ibm.com.edgekey.net.globalredir.akadns.net 900 CNAME e2874.dscx.akamaiedge.net