Check that www.epfl.ch 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 epfl.ch soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 751
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; AUTHORITY SECTION:
.			3600000	IN	NS	J.ROOT-SERVERS.NET.
.			3600000	IN	NS	K.ROOT-SERVERS.NET.
.			3600000	IN	NS	M.ROOT-SERVERS.NET.
.			3600000	IN	NS	C.ROOT-SERVERS.NET.
.			3600000	IN	NS	E.ROOT-SERVERS.NET.
.			3600000	IN	NS	D.ROOT-SERVERS.NET.
.			3600000	IN	NS	A.ROOT-SERVERS.NET.
.			3600000	IN	NS	L.ROOT-SERVERS.NET.
.			3600000	IN	NS	I.ROOT-SERVERS.NET.
.			3600000	IN	NS	B.ROOT-SERVERS.NET.
.			3600000	IN	NS	F.ROOT-SERVERS.NET.
.			3600000	IN	NS	H.ROOT-SERVERS.NET.
.			3600000	IN	NS	G.ROOT-SERVERS.NET.

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	469922	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	469922	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	428186	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	170580	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	167134	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	167134	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	425506	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	470793	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	166529	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	471457	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	428495	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	428495	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	470029	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	470029	IN	AAAA	2001:7fe::53

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 03:28:02 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1243
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 13

;; QUESTION SECTION:
;epfl.ch.			IN	SOA

;; AUTHORITY SECTION:
ch.			172800	IN	NS	e.nic.ch.
ch.			172800	IN	NS	h.nic.ch.
ch.			172800	IN	NS	b.nic.ch.
ch.			172800	IN	NS	a.nic.ch.
ch.			172800	IN	NS	c.nic.ch.
ch.			172800	IN	NS	f.nic.ch.
ch.			172800	IN	NS	d.nic.ch.

;; ADDITIONAL SECTION:
a.nic.ch.		172800	IN	A	130.59.1.80
a.nic.ch.		172800	IN	AAAA	2001:620::4
b.nic.ch.		172800	IN	A	130.59.211.10
b.nic.ch.		172800	IN	AAAA	2001:620::5
c.nic.ch.		172800	IN	A	147.28.0.39
c.nic.ch.		172800	IN	AAAA	2001:418:1::39
d.nic.ch.		172800	IN	A	200.160.0.5
d.nic.ch.		172800	IN	AAAA	2001:12ff:0:a20::5
e.nic.ch.		172800	IN	A	194.0.17.1
e.nic.ch.		172800	IN	AAAA	2001:678:3::1
f.nic.ch.		172800	IN	A	194.146.106.10
f.nic.ch.		172800	IN	AAAA	2001:67c:1010:2::53
h.nic.ch.		172800	IN	A	194.42.48.120

;; Query time: 185 msec
;; SERVER: 192.33.4.12#53(C.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 03:28:02 2012
;; MSG SIZE  rcvd: 421

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1007
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 4

;; QUESTION SECTION:
;epfl.ch.			IN	SOA

;; AUTHORITY SECTION:
epfl.ch.		3600	IN	NS	stisun1.epfl.ch.
epfl.ch.		3600	IN	NS	stisun2.epfl.ch.

;; ADDITIONAL SECTION:
stisun1.epfl.ch.	3600	IN	A	128.178.15.8
stisun2.epfl.ch.	3600	IN	A	128.178.15.7
stisun1.epfl.ch.	3600	IN	AAAA	2001:620:618:1a6:1:80b2:a66a:1
stisun2.epfl.ch.	3600	IN	AAAA	2001:620:618:1a6:1:80b2:a66b:1

;; Query time: 299 msec
;; SERVER: 194.42.48.120#53(h.nic.ch)
;; WHEN: Fri May 18 03:28:02 2012
;; MSG SIZE  rcvd: 164

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 713
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 4

;; QUESTION SECTION:
;epfl.ch.			IN	SOA

;; ANSWER SECTION:
epfl.ch.		86400	IN	SOA	stisun1.epfl.ch. dnsmaster.epfl.ch. 76143357 900 450 3600000 3600

;; AUTHORITY SECTION:
epfl.ch.		86400	IN	NS	stisun1.epfl.ch.
epfl.ch.		86400	IN	NS	stisun2.epfl.ch.

;; ADDITIONAL SECTION:
stisun1.epfl.ch.	86400	IN	A	128.178.15.8
stisun1.epfl.ch.	86400	IN	AAAA	2001:620:618:1a6:1:80b2:a66a:1
stisun2.epfl.ch.	86400	IN	A	128.178.15.7
stisun2.epfl.ch.	86400	IN	AAAA	2001:620:618:1a6:1:80b2:a66b:1

;; Query time: 251 msec
;; SERVER: 2001:620:618:1a6:1:80b2:a66a:1#53(stisun1.epfl.ch)
;; WHEN: Fri May 18 03:28:03 2012
;; MSG SIZE  rcvd: 203

HTTP

Looking for CNAME of www.epfl.ch
Checking if there is a AAAA for www.epfl.ch ... success.
Sending...

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

Reading ...

HTTP/1.1 200 OK
Server: nginx/1.0.15
Date: Thu, 17 May 2012 17:58:03 GMT
Content-Type: text/html; charset=UTF-8
Connection: keep-alive
Content-Location: index.fr.html
Vary: negotiate,accept-language
TCN: choice
Last-Modified: Wed, 16 May 2012 14:55:46 GMT
ETag: "467894-6c7c-4c028839a6080"
Accept-Ranges: bytes
Content-Length: 27772
Cache-Control: public, max-age=0, must-revalidate
Content-Language: fr

Accessed / [2001:620:618:1a6:1:80b2:a60a:2] Response: HTTP/1.1 200 OK

SMTP

MX 50 smtp2.epfl.ch
Looking for AAAA on smtp2.epfl.ch
Connecting to 2001:620:618:1a6:1:80b2:a603:1 ... done.
220 smtp2-v6.epfl.ch AngelmatoPhylax SMTP proxy
250-smtp2-v6.epfl.ch
250 8BITMIME
MX 50 smtp1.epfl.ch
Looking for AAAA on smtp1.epfl.ch
Connecting to 2001:620:618:1a6:1:80b2:a602:1 ... done.
220 smtp1.epfl.ch AngelmatoPhylax SMTP proxy
250-smtp1.epfl.ch
250 8BITMIME

DNS

Looking for AAAA of NS stisun2.epfl.ch
Querying 2001:620:618:1a6:1:80b2:a66b:1 for SOA of epfl.ch over IPv6 ... successful!
Looking for AAAA of NS stisun1.epfl.ch
Querying 2001:620:618:1a6:1:80b2:a66a:1 for SOA of epfl.ch over IPv6 ... successful!

NTP

Looking for an A record for ntp.epfl.ch
Looking for an A record for clock.epfl.ch
Looking for an A record for time.epfl.ch
Looking for an A record for chime.epfl.ch

XMPP

Looking for a SRV record for _xmpp-client._tcp.epfl.ch
Found XMPP client c2s.epfl.ch.webexconnect.com (5, 5222)
XMPP client epfl.ch: "c2s.epfl.ch.webexconnect.com"
Trying to connect to 66.163.36.120 on 5222 ... Connection succeeded
Looking for a SRV record for _xmpp-server._tcp.epfl.ch
Found XMPP server s2s.epfl.ch.webexconnect.com (5, 5269)
XMPP server epfl.ch: "s2s.epfl.ch.webexconnect.com"
Trying to connect to 66.163.36.123 on 5269 ... Connection succeeded

Last Updated: Thu May 17 17:58:11 2012 UTC