1. DNS/flag_day/2020/jp

について、ここに記述してください。

$dig -t ns xserver\.jp @a.dns.jp +bufsize=650 +qr +dnssec

bufsize=650にすると、glueがない返事が返る。-- ToshinoriMaeno 2020-09-30 14:01:25

$ dig -t ns xserver.jp @a.dns.jp +qr +dnssec +bufsize=740

; <<>> DiG 9.16.1-Ubuntu <<>> -t ns xserver.jp @a.dns.jp +qr +dnssec +bufsize=740
;; global options: +cmd
;; Sending:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5303
;; flags: rd ad; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 740
; COOKIE: 540b7260a07b4445
;; QUESTION SECTION:
;xserver.jp.                    IN      NS

;; QUERY SIZE: 51

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 5303
;; flags: qr rd; QUERY: 1, ANSWER: 0, AUTHORITY: 9, ADDITIONAL: 4
;; WARNING: recursion requested but not available

;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags: do; udp: 4096
; COOKIE: 540b7260a07b4445b7d080355f7216ded1ab84ed6adc1b1e (good)
;; QUESTION SECTION:
;xserver.jp.                    IN      NS

;; AUTHORITY SECTION:
xserver.jp.             86400   IN      NS      ns5.xserver.jp.
xserver.jp.             86400   IN      NS      ns2.xserver.jp.
xserver.jp.             86400   IN      NS      ns3.xserver.jp.
xserver.jp.             86400   IN      NS      ns4.xserver.jp.
xserver.jp.             86400   IN      NS      ns1.xserver.jp.
0A1TG9AR6VG1D85Q5B0LQK4QITG5AHJV.jp. 900 IN NSEC3 1 1 5 F88007994C 0A5D9THRVOR0MDKCIQB3QOL5LD6KN4RQ NS SOA RRSIG DNSKEY NSEC3PARAM
0A1TG9AR6VG1D85Q5B0LQK4QITG5AHJV.jp. 900 IN RRSIG NSEC3 8 2 900 20201026174507 20200926174507 27951 jp. L9ABPpqowCzlSbK+pRfqlvFnrNKtlFYVRF0FItSQw0OXPsgcQXTjfcLu PZt8/jVP1zTK1c+++xz0xE/PE5L18c38zeIB2JEArHG9weVfq+HcXKzB 0cTs1vygcFAwpKPUqUKhLDiqIJvYHnbJu6Qj/X/L8V5BBfBcgJTxmuca V/Y=
H249OBG3MBPDCRV8KP0GBF5K2MFHHT5M.jp. 900 IN NSEC3 1 1 5 F88007994C H2KUP2MK322O33OVS0HLD8S31CQG9V3I TXT RRSIG
H249OBG3MBPDCRV8KP0GBF5K2MFHHT5M.jp. 900 IN RRSIG NSEC3 8 2 900 20201026174507 20200926174507 27951 jp. JFWEfA6WLx7t79vX2XyEVqryg8ohDkGneiT2VqNVuNZc5fXRAeDIJli6 bpApQkQfIdXEaLtA4EQBy1mdO3Zmw96STyUd2CFEubv8WyiomJ1Fopmh tfTygw7SOHwHvGO6FR9haLnv+GLWQEP9Kyr0CJwrWH9HNvEDMXeyAtt3 pb0=

;; ADDITIONAL SECTION:
ns1.xserver.jp.         86400   IN      A       219.94.200.170
ns1.xserver.jp.         86400   IN      A       219.94.200.246
ns1.xserver.jp.         86400   IN      A       219.94.200.164

;; Query time: 7 msec
;; SERVER: 203.119.1.1#53(203.119.1.1)
;; WHEN: 火  9月 29 02:01:18 JST 2020
;; MSG SIZE  rcvd: 698