Check that www.psu.ac.th 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 psu.ac.th soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1713
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			220238	IN	NS	j.root-servers.net.
.			220238	IN	NS	g.root-servers.net.
.			220238	IN	NS	f.root-servers.net.
.			220238	IN	NS	h.root-servers.net.
.			220238	IN	NS	m.root-servers.net.
.			220238	IN	NS	b.root-servers.net.
.			220238	IN	NS	l.root-servers.net.
.			220238	IN	NS	i.root-servers.net.
.			220238	IN	NS	c.root-servers.net.
.			220238	IN	NS	a.root-servers.net.
.			220238	IN	NS	e.root-servers.net.
.			220238	IN	NS	k.root-servers.net.
.			220238	IN	NS	d.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	89561	IN	A	198.41.0.4
a.root-servers.net.	89561	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	47825	IN	A	192.228.79.201
c.root-servers.net.	435609	IN	A	192.33.4.12
d.root-servers.net.	393958	IN	A	128.8.10.90
d.root-servers.net.	393958	IN	AAAA	2001:500:2d::d
e.root-servers.net.	45145	IN	A	192.203.230.10
f.root-servers.net.	90432	IN	A	192.5.5.241
f.root-servers.net.	395308	IN	AAAA	2001:500:2f::f
g.root-servers.net.	91096	IN	A	192.112.36.4
h.root-servers.net.	48134	IN	A	128.63.2.53
h.root-servers.net.	48134	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	89668	IN	A	192.36.148.17
i.root-servers.net.	89668	IN	AAAA	2001:7fe::53

;; Query time: 14 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 13:07:23 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1944
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 12

;; QUESTION SECTION:
;psu.ac.th.			IN	SOA

;; AUTHORITY SECTION:
th.			172800	IN	NS	ns.thnic.net.
th.			172800	IN	NS	th.cctld.authdns.ripe.net.
th.			172800	IN	NS	ns-e.thnic.co.th.
th.			172800	IN	NS	sfba.sns-pb.isc.org.
th.			172800	IN	NS	ns-a.thnic.co.th.
th.			172800	IN	NS	ams.sns-pb.isc.org.
th.			172800	IN	NS	dns1.thnic.co.th.

;; ADDITIONAL SECTION:
ns.thnic.net.		172800	IN	A	202.28.0.1
th.cctld.authdns.ripe.net. 172800 IN	A	193.0.9.116
ams.sns-pb.isc.org.	172800	IN	A	199.6.1.30
dns1.thnic.co.th.	172800	IN	A	202.28.1.22
ns-a.thnic.co.th.	172800	IN	A	61.19.242.38
ns-e.thnic.co.th.	172800	IN	A	194.0.1.28
sfba.sns-pb.isc.org.	172800	IN	A	149.20.64.3
th.cctld.authdns.ripe.net. 172800 IN	AAAA	2001:67c:e0::116
ams.sns-pb.isc.org.	172800	IN	AAAA	2001:500:60::30
dns1.thnic.co.th.	172800	IN	AAAA	2001:3c8:1209:1::22
ns-e.thnic.co.th.	172800	IN	AAAA	2001:678:4::1c
sfba.sns-pb.isc.org.	172800	IN	AAAA	2001:4f8:0:2::19

;; Query time: 43 msec
;; SERVER: 2001:500:2f::f#53(f.root-servers.net)
;; WHEN: Tue May 22 13:07:23 2012
;; MSG SIZE  rcvd: 458

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1712
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;psu.ac.th.			IN	SOA

;; AUTHORITY SECTION:
psu.ac.th.		7200	IN	NS	ns.psu.ac.th.
psu.ac.th.		7200	IN	NS	ns2.psu.ac.th.

;; ADDITIONAL SECTION:
ns.psu.ac.th.		7200	IN	A	192.100.77.5
ns2.psu.ac.th.		7200	IN	A	192.100.77.2

;; Query time: 227 msec
;; SERVER: 2001:4f8:0:2::19#53(sfba.sns-pb.isc.org)
;; WHEN: Tue May 22 13:07:23 2012
;; MSG SIZE  rcvd: 94

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1643
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;psu.ac.th.			IN	SOA

;; ANSWER SECTION:
psu.ac.th.		14400	IN	SOA	ns.psu.ac.th. netadmin.psu.ac.th. 2012051701 10800 1200 1209600 43200

;; AUTHORITY SECTION:
psu.ac.th.		0	IN	NS	ns.psu.ac.th.
psu.ac.th.		0	IN	NS	ns2.psu.ac.th.

;; ADDITIONAL SECTION:
ns.psu.ac.th.		0	IN	A	192.100.77.5
ns2.psu.ac.th.		0	IN	A	192.100.77.2

;; Query time: 122 msec
;; SERVER: 192.100.77.2#53(ns2.psu.ac.th)
;; WHEN: Tue May 22 13:07:24 2012
;; MSG SIZE  rcvd: 139

HTTP

Looking for CNAME of www.psu.ac.th
Checking if there is a AAAA for www.psu.ac.th ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.psu.ac.th aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1510
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.psu.ac.th.			IN	AAAA

;; ANSWER SECTION:
www.psu.ac.th.		14399	IN	CNAME	usablelabs.psu.ac.th.

;; AUTHORITY SECTION:
psu.ac.th.		10800	IN	SOA	ns.psu.ac.th. netadmin.psu.ac.th. 2012051701 10800 1200 1209600 43200

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 13:07:25 2012
;; MSG SIZE  rcvd: 104

Checking other options ... failed too.

SMTP

MX 10 mailscan.psu.ac.th
Looking for AAAA on mailscan.psu.ac.th
MX 10 mail.psu.ac.th
Looking for AAAA on mail.psu.ac.th

DNS

Looking for AAAA of NS ns2.psu.ac.th
No AAAA record for ns2.psu.ac.th
Looking for AAAA of NS ns.psu.ac.th
No AAAA record for ns.psu.ac.th

NTP

Looking for an A record for ntp.psu.ac.th
Looking for an A record for clock.psu.ac.th
Looking for an A record for time.psu.ac.th
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for time.psu.ac.th
Cannot find a AAAA record for time.ipv6.psu.ac.th

XMPP

Looking for a SRV record for _xmpp-client._tcp.psu.ac.th
Looking for a SRV record for _xmpp-server._tcp.psu.ac.th

Last Updated: Tue May 22 03:37:30 2012 UTC