The Weirdest DNS in Japan

在留申請オンラインシステム
.			22041	IN	NS	e.root-servers.net.
. 22041 IN NS h.root-servers.net.
. 22041 IN NS l.root-servers.net.
. 22041 IN NS i.root-servers.net.
. 22041 IN NS a.root-servers.net.
. 22041 IN NS d.root-servers.net.
. 22041 IN NS c.root-servers.net.
. 22041 IN NS b.root-servers.net.
. 22041 IN NS j.root-servers.net.
. 22041 IN NS k.root-servers.net.
. 22041 IN NS g.root-servers.net.
. 22041 IN NS m.root-servers.net.
. 22041 IN NS f.root-servers.net.
;; Received 228 bytes from 8.8.4.4#53(8.8.4.4) in 48 ms

jp. 172800 IN NS a.dns.jp.
jp. 172800 IN NS d.dns.jp.
jp. 172800 IN NS e.dns.jp.
jp. 172800 IN NS f.dns.jp.
jp. 172800 IN NS h.dns.jp.
jp. 172800 IN NS g.dns.jp.
jp. 172800 IN NS c.dns.jp.
jp. 172800 IN NS b.dns.jp.
;; Received 496 bytes from 192.58.128.30#53(192.58.128.30) in 814 ms

moj.go.jp. 86400 IN NS ns01.vips.ne.jp.
moj.go.jp. 86400 IN NS ns00.vips.ne.jp.
moj.go.jp. 86400 IN NS ns.moj.go.jp.
;; Received 235 bytes from 161.232.72.25#53(161.232.72.25) in 654 ms

ras-immi.moj.go.jp. 600 IN NS ns1.ras-immi.moj.go.jp.
/usr/bin/dig: couldn't get address for 'ns1.ras-immi.moj.go.jp': no more
$ dig www.ras-immi.moj.go.jp; <<>> DiG 9.16.27-Debian <<>> www.ras-immi.moj.go.jp
;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 56082
;; flags: qr aa rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 4096
;; QUESTION SECTION:
;www.ras-immi.moj.go.jp. IN A
;; ANSWER SECTION:
www.ras-immi.moj.go.jp. 0 IN A <redacted IP>
;; Query time: 4 msec
;; SERVER: 192.168.1.1#53(192.168.1.1)
;; WHEN: Wed May 25 18:20:26 JST 2022
;; MSG SIZE rcvd: 67
  • Their DNS server tries to avoid giving out an IP address to overseas DNS queries using some secret method

--

--

Get the Medium app

A button that says 'Download on the App Store', and if clicked it will lead you to the iOS App store
A button that says 'Get it on, Google Play', and if clicked it will lead you to the Google Play store
Elliott

Elliott

77 Followers

Personal interests in literature, SF, and whisky/whiskey/scotch, Software Engineer by Trade