watchWWW/knot-dns.czについて、ここに記述してください。
nic.cz と同居のknot-dns.cz glueではないadditional
$ dig -t a www.knot-dns.cz
; <<>> DiG 9.9.5-3ubuntu0.4-Ubuntu <<>> -t a www.knot-dns.cz ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 47580 ;; flags: qr rd ra ad; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 7 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;www.knot-dns.cz. IN A ;; ANSWER SECTION: www.knot-dns.cz. 1778 IN A 217.31.205.55 ;; AUTHORITY SECTION: knot-dns.cz. 1778 IN NS a.ns.nic.cz. knot-dns.cz. 1778 IN NS d.ns.nic.cz. knot-dns.cz. 1778 IN NS b.ns.nic.cz. ;; ADDITIONAL SECTION: a.ns.nic.cz. 172777 IN A 194.0.12.1 a.ns.nic.cz. 172777 IN AAAA 2001:678:f::1 b.ns.nic.cz. 172777 IN A 194.0.13.1 b.ns.nic.cz. 172777 IN AAAA 2001:678:10::1 d.ns.nic.cz. 172777 IN A 193.29.206.1 d.ns.nic.cz. 172777 IN AAAA 2001:678:1::1 ;; Query time: 0 msec ;; SERVER: 127.0.0.1#53(127.0.0.1) ;; WHEN: Sun Aug 30 08:52:17 JST 2015 ;; MSG SIZE rcvd: 247