1. value-domain上にあるおかしなゾーン
ns1.dns.ne.jp や dns0.hetem.jp など (誰が作ったのか)
過去に登録されたゾーンも多数残っている。(悪さをしないか)
2. dns0.heteml.jp
dns0.heteml.jp. 1200 IN A 210.188.214.228
正規のA
dns0.heteml.jp. 3600 IN A 157.7.44.53
3. ns1.dns.ne.jp
毒盛防衛になっているのか。 -- ToshinoriMaeno 2020-06-23 15:03:44
$ dig -t any ns1.dns.ne.jp @ns1.value-domain.com ; <<>> DiG 9.11.3-1ubuntu1.11-Ubuntu <<>> -t any ns1.dns.ne.jp @ns1.value-domain.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 21293 ;; flags: qr aa rd; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 5 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1680 ;; QUESTION SECTION: ;ns1.dns.ne.jp. IN ANY ;; ANSWER SECTION: ns1.dns.ne.jp. 1200 IN NS ns1.value-domain.com. ns1.dns.ne.jp. 1200 IN NS ns2.value-domain.com. ns1.dns.ne.jp. 2560 IN SOA ns2.value-domain.com. hostmaster.ns1.dns.ne.jp. 1592923699 16384 2048 1048576 2560 ;; ADDITIONAL SECTION: ns1.value-domain.com. 1200 IN A 54.65.150.1 ns1.value-domain.com. 1200 IN AAAA 2406:da14:55b:f2a1:fe58:d51e:b42e:476d ns2.value-domain.com. 1200 IN A 54.64.110.166 ns2.value-domain.com. 1200 IN AAAA 2406:da14:55b:f2c1:67c2:eaee:3247:5af2 ;; Query time: 26 msec ;; SERVER: 54.65.150.1#53(54.65.150.1) ;; WHEN: Wed Jun 24 00:01:52 JST 2020 ;; MSG SIZE rcvd: 229
4. history
$ dig -t ns dns0.heteml.jp @ns1.value-domain.com ; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> -t ns dns0.heteml.jp @ns1.value-domain.com ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 23384 ;; flags: qr aa rd; QUERY: 1, ANSWER: 2, AUTHORITY: 0, ADDITIONAL: 5 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 1680 ;; QUESTION SECTION: ;dns0.heteml.jp. IN NS ;; ANSWER SECTION: dns0.heteml.jp. 1200 IN NS ns1.value-domain.com. dns0.heteml.jp. 1200 IN NS ns2.value-domain.com. ;; ADDITIONAL SECTION: ns1.value-domain.com. 1200 IN AAAA 2406:da14:55b:f2a1:fe58:d51e:b42e:476d ns2.value-domain.com. 1200 IN A 54.64.110.166 ns2.value-domain.com. 1200 IN AAAA 2406:da14:55b:f2c1:67c2:eaee:3247:5af2 ns1.value-domain.com. 1200 IN A 54.65.150.1 ;; Query time: 9 msec ;; SERVER: 54.65.150.1#53(54.65.150.1) ;; WHEN: Sat Jun 20 16:41:23 JST 2020 ;; MSG SIZE rcvd: 183 dns0.heteml.jp. 1200 IN A 210.188.214.228 いまのところ、返事はしないようだが、油断してはならない。
本物はこっち。
dns0.heteml.jp. 346 IN A 157.7.44.53