1. watchA
$ dig -t a moin.www.brau.jp @ns1.dns.ne.jp ; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> -t a moin.www.brau.jp @ns1.dns.ne.jp ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 57018 ;; flags: qr aa rd; QUERY: 1, ANSWER: 4, AUTHORITY: 2, ADDITIONAL: 1 ;; WARNING: recursion requested but not available ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 4096 ;; QUESTION SECTION: ;moin.www.brau.jp. IN A ;; ANSWER SECTION: moin.www.brau.jp. 3600 IN CNAME moin.www.d-n-s.info. moin.www.d-n-s.info. 3600 IN CNAME moin.sakura.qmail.jp. moin.sakura.qmail.jp. 3600 IN CNAME sakura.qmail.jp. sakura.qmail.jp. 3600 IN A 153.126.187.246 ;; AUTHORITY SECTION: sakura.qmail.jp. 3600 IN NS ns1.dns.ne.jp. sakura.qmail.jp. 3600 IN NS ns2.dns.ne.jp. ;; Query time: 6 msec ;; SERVER: 61.211.236.1#53(61.211.236.1) ;; WHEN: Wed Jul 01 15:24:36 JST 2020 ;; MSG SIZE rcvd: 183
2. history
$ dig -t a moin.www.d-n-s.info @8.8.8.8 ; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> -t a moin.www.d-n-s.info @8.8.8.8 ;; global options: +cmd ;; Got answer: ;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37046 ;; flags: qr rd ra; QUERY: 1, ANSWER: 3, AUTHORITY: 0, ADDITIONAL: 1 ;; OPT PSEUDOSECTION: ; EDNS: version: 0, flags:; udp: 512 ;; QUESTION SECTION: ;moin.www.d-n-s.info. IN A ;; ANSWER SECTION: moin.www.d-n-s.info. 3599 IN CNAME moin.sakura.qmail.jp. moin.sakura.qmail.jp. 3599 IN CNAME sakura.qmail.jp. sakura.qmail.jp. 3599 IN A 153.126.187.246 ;; Query time: 31 msec ;; SERVER: 8.8.8.8#53(8.8.8.8) ;; WHEN: Wed Jul 01 15:27:12 JST 2020 ;; MSG SIZE rcvd: 112
knot-resolver mode('strict')
tmaeno@tm:~$ dig -t a moin.www.d-n-s.info @127.0.0.2 ; <<>> DiG 9.11.3-1ubuntu1.12-Ubuntu <<>> -t a moin.www.d-n-s.info @127.0.0.2 ;; global options: +cmd ;; connection timed out; no servers could be reached