Check that www.ces.net 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 ces.net soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 989
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

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

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	457549	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	457549	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	415813	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	158207	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	154761	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	154761	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	413133	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	458420	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	154156	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	459084	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	416122	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	416122	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	457656	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	457656	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 06:54:15 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 381
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;ces.net.			IN	SOA

;; AUTHORITY SECTION:
net.			172800	IN	NS	a.gtld-servers.net.
net.			172800	IN	NS	b.gtld-servers.net.
net.			172800	IN	NS	c.gtld-servers.net.
net.			172800	IN	NS	d.gtld-servers.net.
net.			172800	IN	NS	e.gtld-servers.net.
net.			172800	IN	NS	f.gtld-servers.net.
net.			172800	IN	NS	g.gtld-servers.net.
net.			172800	IN	NS	h.gtld-servers.net.
net.			172800	IN	NS	i.gtld-servers.net.
net.			172800	IN	NS	j.gtld-servers.net.
net.			172800	IN	NS	k.gtld-servers.net.
net.			172800	IN	NS	l.gtld-servers.net.
net.			172800	IN	NS	m.gtld-servers.net.

;; ADDITIONAL SECTION:
a.gtld-servers.net.	172800	IN	A	192.5.6.30
b.gtld-servers.net.	172800	IN	A	192.33.14.30
c.gtld-servers.net.	172800	IN	A	192.26.92.30
d.gtld-servers.net.	172800	IN	A	192.31.80.30
e.gtld-servers.net.	172800	IN	A	192.12.94.30
f.gtld-servers.net.	172800	IN	A	192.35.51.30
g.gtld-servers.net.	172800	IN	A	192.42.93.30
h.gtld-servers.net.	172800	IN	A	192.54.112.30
i.gtld-servers.net.	172800	IN	A	192.43.172.30
j.gtld-servers.net.	172800	IN	A	192.48.79.30
k.gtld-servers.net.	172800	IN	A	192.52.178.30
l.gtld-servers.net.	172800	IN	A	192.41.162.30
m.gtld-servers.net.	172800	IN	A	192.55.83.30
a.gtld-servers.net.	172800	IN	AAAA	2001:503:a83e::2:30

;; Query time: 252 msec
;; SERVER: 2001:500:1::803f:235#53(H.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 06:54:15 2012
;; MSG SIZE  rcvd: 485

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1940
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 1

;; QUESTION SECTION:
;ces.net.			IN	SOA

;; AUTHORITY SECTION:
ces.net.		172800	IN	NS	ns.cesnet.cz.
ces.net.		172800	IN	NS	ns.ces.net.
ces.net.		172800	IN	NS	decsys.vsb.cz.

;; ADDITIONAL SECTION:
ns.ces.net.		172800	IN	A	195.113.144.233

;; Query time: 215 msec
;; SERVER: 192.55.83.30#53(m.gtld-servers.net)
;; WHEN: Fri May 18 06:54:15 2012
;; MSG SIZE  rcvd: 109

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 934
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 6

;; QUESTION SECTION:
;ces.net.			IN	SOA

;; ANSWER SECTION:
ces.net.		86400	IN	SOA	ns.ces.net. hostmaster.cesnet.cz. 2012030801 28800 7200 1209600 86400

;; AUTHORITY SECTION:
ces.net.		86400	IN	NS	ns.ces.net.
ces.net.		86400	IN	NS	ns.cesnet.cz.
ces.net.		86400	IN	NS	decsys.vsb.cz.

;; ADDITIONAL SECTION:
ns.ces.net.		86400	IN	A	195.113.144.233
ns.ces.net.		86400	IN	AAAA	2001:718:1:101::3
ns.cesnet.cz.		3600	IN	A	195.113.144.194
ns.cesnet.cz.		3600	IN	AAAA	2001:718:1:1::2
decsys.vsb.cz.		86400	IN	A	158.196.149.9
decsys.vsb.cz.		86400	IN	AAAA	2001:718:1001:149::9

;; Query time: 358 msec
;; SERVER: 2001:718:1:101::3#53(ns.ces.net)
;; WHEN: Fri May 18 06:54:16 2012
;; MSG SIZE  rcvd: 272

HTTP

Looking for CNAME of www.ces.net
Checking if there is a AAAA for www.ces.net ... success.
Sending...

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

Reading ...

HTTP/1.1 200 OK
Date: Thu, 17 May 2012 21:24:18 GMT
Server: Apache
Accept-Ranges: bytes
Content-Type: text/html; charset=UTF-8

Accessed / [2001:718:1:101:0:0:0:4] Response: HTTP/1.1 200 OK

SMTP

MX 10 postino.cesnet.cz
Looking for AAAA on postino.cesnet.cz
Connecting to 2001:718:1:101:0:0:144:242 ... done.
220 postino.cesnet.cz ESMTP Postfix
250-postino.cesnet.cz
250-PIPELINING
250-SIZE 40000000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
MX 10 cartero.cesnet.cz
Looking for AAAA on cartero.cesnet.cz
Connecting to 2001:718:1:1:0:0:144:196 ... done.
220 cartero.cesnet.cz ESMTP Postfix
250-cartero.cesnet.cz
250-PIPELINING
250-SIZE 40000000
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN

DNS

Looking for AAAA of NS ns.ces.net
Querying 2001:718:1:101:0:0:0:3 for SOA of ces.net over IPv6 ... successful!
Looking for AAAA of NS ns.cesnet.cz
Querying 2001:718:1:1:0:0:0:2 for SOA of ces.net over IPv6 ... successful!
Looking for AAAA of NS decsys.vsb.cz
Querying 2001:718:1001:149:0:0:0:9 for SOA of ces.net over IPv6 ... successful!

NTP

Looking for an A record for ntp.ces.net
Looking for an A record for clock.ces.net
Looking for an A record for time.ces.net
Looking for an A record for chime.ces.net

XMPP

Looking for a SRV record for _xmpp-client._tcp.ces.net
Looking for a SRV record for _xmpp-server._tcp.ces.net

Last Updated: Thu May 17 21:24:27 2012 UTC