watch-www/state.gov.edgesuite.netについて、ここに記述してください。

== CNAME chain ==

$ dnsq a www.state.gov.edgesuite.net a.gtld-servers.net
{{{
1 www.state.gov.edgesuite.net:
338 bytes, 1+0+8+8 records, response, noerror
query: 1 www.state.gov.edgesuite.net
authority: edgesuite.net 172800 NS ns1-2.akam.net
authority: edgesuite.net 172800 NS ns1-137.akam.net
authority: edgesuite.net 172800 NS usw6.akam.net
authority: edgesuite.net 172800 NS use9.akam.net
authority: edgesuite.net 172800 NS adns1.akam.net
authority: edgesuite.net 172800 NS adns2.akam.net
authority: edgesuite.net 172800 NS adns3.akam.net
authority: edgesuite.net 172800 NS adns4.akam.net
additional: ns1-2.akam.net 172800 A 193.108.91.2
additional: ns1-137.akam.net 172800 A 193.108.91.137
additional: usw6.akam.net 172800 A 96.17.144.195
additional: use9.akam.net 172800 A 204.245.152.68
additional: adns1.akam.net 172800 A 64.211.42.196
additional: adns2.akam.net 172800 A 62.41.62.234
additional: adns3.akam.net 172800 A 64.211.42.196
additional: adns4.akam.net 172800 A 81.52.250.132
}}}

$ dnsq a www.state.gov.edgesuite.net adns1.akam.net
{{{
1 www.state.gov.edgesuite.net:
92 bytes, 1+1+0+0 records, response, authoritative, noerror
query: 1 www.state.gov.edgesuite.net
answer: www.state.gov.edgesuite.net 21600 CNAME state.georedirector.state.akadns.net
}}}

=== 2 ===
$ dnsq a state.georedirector.state.akadns.net a.gtld-servers.net
{{{
1 state.georedirector.state.akadns.net:
374 bytes, 1+0+11+7 records, response, noerror
query: 1 state.georedirector.state.akadns.net
authority: akadns.net 172800 NS ze.akadns.net
authority: akadns.net 172800 NS zf.akadns.net
authority: akadns.net 172800 NS zc.akadns.org
authority: akadns.net 172800 NS za.akadns.org
authority: akadns.net 172800 NS use4.akadns.net
authority: akadns.net 172800 NS asia9.akadns.net
authority: akadns.net 172800 NS use3.akadns.net
authority: akadns.net 172800 NS usw2.akadns.net
authority: akadns.net 172800 NS zd.akadns.org
authority: akadns.net 172800 NS zb.akadns.org
authority: akadns.net 172800 NS eur1.akadns.net
additional: ze.akadns.net 172800 A 193.108.88.129
additional: zf.akadns.net 172800 A 193.108.88.130
additional: use4.akadns.net 172800 A 208.44.108.137
additional: asia9.akadns.net 172800 A 222.122.64.133
additional: use3.akadns.net 172800 A 72.246.46.4
additional: usw2.akadns.net 172800 A 64.211.42.194
additional: eur1.akadns.net 172800 A 195.59.44.134
}}}

$ dnsq a state.georedirector.state.akadns.net use3.akadns.net
{{{
1 state.georedirector.state.akadns.net:
82 bytes, 1+1+0+0 records, response, authoritative, noerror
query: 1 state.georedirector.state.akadns.net
answer: state.georedirector.state.akadns.net 300 CNAME a442.g.akamai.net
}}}

=== 3 ===
$ dnsq a a442.g.akamai.net a.gtld-servers.net
{{{
1 a442.g.akamai.net:
380 bytes, 1+0+10+10 records, response, noerror
query: 1 a442.g.akamai.net
authority: akamai.net 172800 NS za.akamaitech.net
authority: akamai.net 172800 NS zb.akamaitech.net
authority: akamai.net 172800 NS zc.akamaitech.net
authority: akamai.net 172800 NS zd.akamaitech.net
authority: akamai.net 172800 NS ze.akamaitech.net
authority: akamai.net 172800 NS zf.akamaitech.net
authority: akamai.net 172800 NS zg.akamaitech.net
authority: akamai.net 172800 NS zh.akamaitech.net
authority: akamai.net 172800 NS zm-1.akamaitech.net
authority: akamai.net 172800 NS zm-2.akamaitech.net
additional: za.akamaitech.net 172800 A 81.52.250.135
additional: zb.akamaitech.net 172800 A 208.44.108.138
additional: zc.akamaitech.net 172800 A 96.17.144.197
additional: zd.akamaitech.net 172800 A 96.7.251.131
additional: ze.akamaitech.net 172800 A 64.211.42.193
additional: zf.akamaitech.net 172800 A 62.41.78.201
additional: zg.akamaitech.net 172800 A 72.246.46.3
additional: zh.akamaitech.net 172800 A 96.6.112.197
additional: zm-1.akamaitech.net 172800 A 193.108.88.1
additional: zm-2.akamaitech.net 172800 A 193.108.88.2
}}}

$ dnsq a a442.g.akamai.net za.akamaitech.net
{{{
1 a442.g.akamai.net:
365 bytes, 1+0+9+9 records, response, noerror
query: 1 a442.g.akamai.net
authority: g.akamai.net 2700 NS n5g.akamai.net
authority: g.akamai.net 1800 NS n2g.akamai.net
authority: g.akamai.net 2700 NS n1g.akamai.net
authority: g.akamai.net 1800 NS n0g.akamai.net
authority: g.akamai.net 2700 NS a1g.akamai.net
authority: g.akamai.net 3600 NS a0g.akamai.net
authority: g.akamai.net 1800 NS n4g.akamai.net
authority: g.akamai.net 3600 NS n6g.akamai.net
authority: g.akamai.net 3600 NS n3g.akamai.net
additional: n5g.akamai.net 2700 A 61.213.146.9
additional: n2g.akamai.net 1800 A 96.7.248.133
additional: n1g.akamai.net 2700 A 61.213.146.5
additional: n0g.akamai.net 1800 A 219.188.199.147
additional: a1g.akamai.net 2700 28 &\000\024\013\000\001\360\000\370\210\370\264"\235^\237
additional: a0g.akamai.net 3600 28 \040\001\002\030\040\007\377\377\222\003\370\264"\235^\237
additional: n4g.akamai.net 1800 A 61.213.146.3
additional: n6g.akamai.net 3600 A 61.213.146.7
additional: n3g.akamai.net 3600 A 61.213.146.8
}}}

NSのTTLがばらばらなのはRFCに反している。（CNAMEなど、違反だらかだが）

$ dnsq a a442.g.akamai.net n0g.akamai.net
{{{
1 a442.g.akamai.net:
67 bytes, 1+2+0+0 records, response, authoritative, noerror
query: 1 a442.g.akamai.net
answer: a442.g.akamai.net 20 A 184.50.27.65
answer: a442.g.akamai.net 20 A 184.50.27.16
}}}
$ dnsq a a442.g.akamai.net n2g.akamai.net
{{{
1 a442.g.akamai.net:
67 bytes, 1+2+0+0 records, response, authoritative, noerror
query: 1 a442.g.akamai.net
answer: a442.g.akamai.net 20 A 184.50.27.16
answer: a442.g.akamai.net 20 A 184.50.27.65
}}}


TTL 20 秒はどう扱われるか。