watchNS/dlsv.com/NSについて、ここに記述してください。
オープンリゾルバーだということは棚上げにする。 IPアドレスだけ確認する。
%dnsq ns dlsv.com 210.189.94.125 ;; (ns3)
2 dlsv.com: 127 bytes, 1+3+0+3 records, response, authoritative, weird ra, noerror query: 2 dlsv.com answer: dlsv.com 600 NS ns3.dlsv.com answer: dlsv.com 600 NS ns.dlsv.com answer: dlsv.com 600 NS ns2.dlsv.com additional: ns.dlsv.com 600 A 211.133.131.5 additional: ns2.dlsv.com 600 A 210.255.165.124 additional: ns3.dlsv.com 600 A 210.189.94.125
%dnsq ns dlsv.com 211.133.131.5
2 dlsv.com: 127 bytes, 1+3+0+3 records, response, authoritative, weird ra, noerror query: 2 dlsv.com answer: dlsv.com 600 NS ns2.dlsv.com answer: dlsv.com 600 NS ns3.dlsv.com answer: dlsv.com 600 NS ns.dlsv.com additional: ns.dlsv.com 600 A 211.133.131.5 additional: ns2.dlsv.com 600 A 210.255.165.124 additional: ns3.dlsv.com 600 A 210.189.94.125
%dnsq ns dlsv.com 210.255.165.124
2 dlsv.com: 127 bytes, 1+3+0+3 records, response, authoritative, weird ra, noerror query: 2 dlsv.com answer: dlsv.com 600 NS ns.dlsv.com answer: dlsv.com 600 NS ns2.dlsv.com answer: dlsv.com 600 NS ns3.dlsv.com additional: ns.dlsv.com 600 A 211.133.131.5 additional: ns2.dlsv.com 600 A 210.255.165.124 additional: ns3.dlsv.com 600 A 210.189.94.125
逆引き設定
210.255.165.124=ns2.whiteboard.co.jp 211.133.131.5=ns.dlsv.com 210.189.94.125=ns3.whiteboard.co.jp