watch-www/facebook.comについて、ここに記述してください。
%dnsq any www.facebook.com a.ns.facebook.com
255 www.facebook.com: 125 bytes, 1+1+2+2 records, response, authoritative, noerror query: 255 www.facebook.com answer: www.facebook.com 120 CNAME star.c10r.facebook.com authority: facebook.com 172800 NS b.ns.facebook.com authority: facebook.com 172800 NS a.ns.facebook.com additional: a.ns.facebook.com 172800 A 69.171.239.12 additional: b.ns.facebook.com 172800 A 69.171.255.12
CNAME の先が変化するのだろうが、まだ分からない。
%dnsq a star.c10r.facebook.com a.ns.facebook.com
1 star.c10r.facebook.com: 107 bytes, 1+0+2+2 records, response, noerror query: 1 star.c10r.facebook.com authority: c10r.facebook.com 172800 NS a.ns.c10r.facebook.com authority: c10r.facebook.com 172800 NS b.ns.c10r.facebook.com additional: a.ns.c10r.facebook.com 172800 A 69.171.239.11 additional: b.ns.c10r.facebook.com 172800 A 69.171.255.11
%dnsq a star.c10r.facebook.com a.ns.c10r.facebook.com
1 star.c10r.facebook.com: 123 bytes, 1+1+2+2 records, response, authoritative, noerror query: 1 star.c10r.facebook.com answer: star.c10r.facebook.com 60 A 66.220.152.40 authority: c10r.facebook.com 172800 NS a.ns.c10r.facebook.com authority: c10r.facebook.com 172800 NS b.ns.c10r.facebook.com additional: a.ns.c10r.facebook.com 172800 A 69.171.239.11 additional: b.ns.c10r.facebook.com 172800 A 69.171.255.11