Check that www.keio.ac.jp exists for IPv4 in case we have a typo on the domain name. Use dig to query the local name server (::1).


; <<>> DiG 9.4.1-P1 <<>> +trace +all keio.ac.jp soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1233
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			309797	IN	NS	m.root-servers.net.
.			309797	IN	NS	l.root-servers.net.
.			309797	IN	NS	b.root-servers.net.
.			309797	IN	NS	k.root-servers.net.
.			309797	IN	NS	a.root-servers.net.
.			309797	IN	NS	h.root-servers.net.
.			309797	IN	NS	c.root-servers.net.
.			309797	IN	NS	f.root-servers.net.
.			309797	IN	NS	j.root-servers.net.
.			309797	IN	NS	g.root-servers.net.
.			309797	IN	NS	i.root-servers.net.
.			309797	IN	NS	e.root-servers.net.
.			309797	IN	NS	d.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	179120	IN	A	198.41.0.4
a.root-servers.net.	179120	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	137384	IN	A	192.228.79.201
c.root-servers.net.	525168	IN	A	192.33.4.12
d.root-servers.net.	483517	IN	A	128.8.10.90
d.root-servers.net.	483517	IN	AAAA	2001:500:2d::d
e.root-servers.net.	134704	IN	A	192.203.230.10
f.root-servers.net.	179991	IN	A	192.5.5.241
f.root-servers.net.	484867	IN	AAAA	2001:500:2f::f
g.root-servers.net.	180655	IN	A	192.112.36.4
h.root-servers.net.	137693	IN	A	128.63.2.53
h.root-servers.net.	137693	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	179227	IN	A	192.36.148.17
i.root-servers.net.	179227	IN	AAAA	2001:7fe::53

;; Query time: 13 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 12:14:44 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 249
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 13

;; QUESTION SECTION:
;keio.ac.jp.			IN	SOA

;; AUTHORITY SECTION:
jp.			172800	IN	NS	c.dns.jp.
jp.			172800	IN	NS	b.dns.jp.
jp.			172800	IN	NS	f.dns.jp.
jp.			172800	IN	NS	a.dns.jp.
jp.			172800	IN	NS	g.dns.jp.
jp.			172800	IN	NS	e.dns.jp.
jp.			172800	IN	NS	d.dns.jp.

;; ADDITIONAL SECTION:
a.dns.jp.		172800	IN	A	203.119.1.1
b.dns.jp.		172800	IN	A	202.12.30.131
c.dns.jp.		172800	IN	A	156.154.100.5
d.dns.jp.		172800	IN	A	210.138.175.244
e.dns.jp.		172800	IN	A	192.50.43.53
f.dns.jp.		172800	IN	A	150.100.6.8
g.dns.jp.		172800	IN	A	203.119.40.1
a.dns.jp.		172800	IN	AAAA	2001:dc4::1
b.dns.jp.		172800	IN	AAAA	2001:dc2::1
c.dns.jp.		172800	IN	AAAA	2001:502:ad09::5
d.dns.jp.		172800	IN	AAAA	2001:240::53
e.dns.jp.		172800	IN	AAAA	2001:200:c000::35
f.dns.jp.		172800	IN	AAAA	2001:2f8:0:100::153

;; Query time: 126 msec
;; SERVER: 2001:dc3::35#53(m.root-servers.net)
;; WHEN: Mon May 21 12:14:45 2012
;; MSG SIZE  rcvd: 424

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1429
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 7

;; QUESTION SECTION:
;keio.ac.jp.			IN	SOA

;; AUTHORITY SECTION:
keio.ac.jp.		86400	IN	NS	svps00.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	kogwy.cc.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	ns0.sfc.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	ns.mita.keio.ac.jp.

;; ADDITIONAL SECTION:
ns.mita.keio.ac.jp.	86400	IN	A	131.113.192.8
ns.mita.keio.ac.jp.	86400	IN	AAAA	2001:200:167:1106::8
ns0.sfc.keio.ac.jp.	86400	IN	A	133.27.4.121
ns0.sfc.keio.ac.jp.	86400	IN	AAAA	2001:200:1c0:1100::121
kogwy.cc.keio.ac.jp.	86400	IN	A	131.113.1.1
kogwy.cc.keio.ac.jp.	86400	IN	AAAA	2001:200:167:4001::1
svps00.keio.ac.jp.	86400	IN	A	49.212.20.196

;; Query time: 198 msec
;; SERVER: 2001:dc4::1#53(a.dns.jp)
;; WHEN: Mon May 21 12:14:45 2012
;; MSG SIZE  rcvd: 264

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 248
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 7, ADDITIONAL: 13

;; QUESTION SECTION:
;keio.ac.jp.			IN	SOA

;; ANSWER SECTION:
keio.ac.jp.		86400	IN	SOA	nsm0.keio.ac.jp. postmaster.keio.ac.jp. 2012030900 10800 3600 1209600 3600

;; AUTHORITY SECTION:
keio.ac.jp.		86400	IN	NS	ns.mita.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	ns.hc.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	ns.st.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	ns.sc.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	ns0.sfc.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	kogwy.cc.keio.ac.jp.
keio.ac.jp.		86400	IN	NS	svps00.keio.ac.jp.

;; ADDITIONAL SECTION:
ns.hc.keio.ac.jp.	86400	IN	A	131.113.224.8
ns.hc.keio.ac.jp.	86400	IN	AAAA	2001:200:167:2001::8
ns.sc.keio.ac.jp.	86400	IN	A	131.113.191.8
ns.sc.keio.ac.jp.	86400	IN	AAAA	2001:200:167:3001::8
ns.st.keio.ac.jp.	3600	IN	A	131.113.1.8
ns.st.keio.ac.jp.	3600	IN	AAAA	2001:200:167:4001::8
ns.mita.keio.ac.jp.	86400	IN	A	131.113.192.8
ns.mita.keio.ac.jp.	86400	IN	AAAA	2001:200:167:1106::8
ns0.sfc.keio.ac.jp.	3600	IN	A	133.27.4.121
ns0.sfc.keio.ac.jp.	3600	IN	AAAA	2001:200:1c0:1100::121
kogwy.cc.keio.ac.jp.	3600	IN	A	131.113.1.1
kogwy.cc.keio.ac.jp.	3600	IN	AAAA	2001:200:167:4001::1
svps00.keio.ac.jp.	86400	IN	A	49.212.20.196

;; Query time: 145 msec
;; SERVER: 2001:200:167:1106::8#53(ns.mita.keio.ac.jp)
;; WHEN: Mon May 21 12:14:45 2012
;; MSG SIZE  rcvd: 508

HTTP

Looking for CNAME of www.keio.ac.jp
Checking if there is a AAAA for www.keio.ac.jp ... success.
Sending...

HEAD / HTTP/1.1
Host: www.keio.ac.jp
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 200 OK
Date: Mon, 21 May 2012 02:44:45 GMT
Server: Apache/2.2.14 (FreeBSD) mod_ssl/2.2.14 OpenSSL/0.9.8e DAV/2
Content-Location: index.html.en
Vary: negotiate,accept-language
TCN: choice
Last-Modified: Mon, 14 May 2012 06:53:27 GMT
ETag: "102c19-7187-4bff98b0587c0"
Accept-Ranges: bytes
Content-Length: 29063
Content-Type: text/html
Content-Language: en

Accessed / [2001:200:167:201:0:0:0:20] Response: HTTP/1.1 200 OK

SMTP

MX 0 vmx0e0.m0.keio.ac.jp
Looking for AAAA on vmx0e0.m0.keio.ac.jp

DNS

Looking for AAAA of NS kogwy.cc.keio.ac.jp
Querying 2001:200:167:4001:0:0:0:1 for SOA of keio.ac.jp over IPv6 ... successful!
Looking for AAAA of NS ns0.sfc.keio.ac.jp
Querying 2001:200:1c0:1100:0:0:0:121 for SOA of keio.ac.jp over IPv6 ... successful!
Looking for AAAA of NS svps00.keio.ac.jp
No AAAA record for svps00.keio.ac.jp
Looking for AAAA of NS ns.st.keio.ac.jp
Querying 2001:200:167:4001:0:0:0:8 for SOA of keio.ac.jp over IPv6 ... successful!
Looking for AAAA of NS ns.hc.keio.ac.jp
Querying 2001:200:167:2001:0:0:0:8 for SOA of keio.ac.jp over IPv6 ... successful!
Looking for AAAA of NS ns.mita.keio.ac.jp
Querying 2001:200:167:1106:0:0:0:8 for SOA of keio.ac.jp over IPv6 ... successful!
Looking for AAAA of NS ns.sc.keio.ac.jp
Querying 2001:200:167:3001:0:0:0:8 for SOA of keio.ac.jp over IPv6 ... successful!

NTP

Looking for an A record for ntp.keio.ac.jp
Looking for an A record for clock.keio.ac.jp
Looking for an A record for time.keio.ac.jp
Looking for an A record for chime.keio.ac.jp

XMPP

Looking for a SRV record for _xmpp-client._tcp.keio.ac.jp
Looking for a SRV record for _xmpp-server._tcp.keio.ac.jp

Last Updated: Mon May 21 02:44:48 2012 UTC