Check that www.ubd.edu.bn 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 ubd.edu.bn soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1150
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			218960	IN	NS	l.root-servers.net.
.			218960	IN	NS	b.root-servers.net.
.			218960	IN	NS	d.root-servers.net.
.			218960	IN	NS	f.root-servers.net.
.			218960	IN	NS	j.root-servers.net.
.			218960	IN	NS	h.root-servers.net.
.			218960	IN	NS	i.root-servers.net.
.			218960	IN	NS	a.root-servers.net.
.			218960	IN	NS	e.root-servers.net.
.			218960	IN	NS	c.root-servers.net.
.			218960	IN	NS	k.root-servers.net.
.			218960	IN	NS	g.root-servers.net.
.			218960	IN	NS	m.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	88283	IN	A	198.41.0.4
a.root-servers.net.	88283	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	46547	IN	A	192.228.79.201
c.root-servers.net.	434331	IN	A	192.33.4.12
d.root-servers.net.	392680	IN	A	128.8.10.90
d.root-servers.net.	392680	IN	AAAA	2001:500:2d::d
e.root-servers.net.	43867	IN	A	192.203.230.10
f.root-servers.net.	89154	IN	A	192.5.5.241
f.root-servers.net.	394030	IN	AAAA	2001:500:2f::f
g.root-servers.net.	89818	IN	A	192.112.36.4
h.root-servers.net.	46856	IN	A	128.63.2.53
h.root-servers.net.	46856	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	88390	IN	A	192.36.148.17
i.root-servers.net.	88390	IN	AAAA	2001:7fe::53

;; Query time: 30 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 13:28:41 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1136
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

;; QUESTION SECTION:
;ubd.edu.bn.			IN	SOA

;; AUTHORITY SECTION:
bn.			172800	IN	NS	jtb.brunet.bn.
bn.			172800	IN	NS	dns2-tl.brunet.bn.
bn.			172800	IN	NS	ns2.brunet.bn.
bn.			172800	IN	NS	ns-bn.ripe.net.
bn.			172800	IN	NS	dns1-tl.brunet.bn.

;; ADDITIONAL SECTION:
jtb.brunet.bn.		172800	IN	A	202.160.8.2
ns2.brunet.bn.		172800	IN	A	202.160.8.20
ns-bn.ripe.net.		172800	IN	A	193.0.12.33
dns1-tl.brunet.bn.	172800	IN	A	202.160.9.9
dns2-tl.brunet.bn.	172800	IN	A	202.160.9.10

;; Query time: 128 msec
;; SERVER: 192.112.36.4#53(g.root-servers.net)
;; WHEN: Tue May 22 13:28:41 2012
;; MSG SIZE  rcvd: 223

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 295
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;ubd.edu.bn.			IN	SOA

;; AUTHORITY SECTION:
ubd.edu.bn.		86400	IN	NS	dns2.ubd.edu.bn.
ubd.edu.bn.		86400	IN	NS	dns1.ubd.edu.bn.

;; ADDITIONAL SECTION:
dns1.ubd.edu.bn.	86400	IN	A	202.160.7.50
dns2.ubd.edu.bn.	86400	IN	A	202.160.1.22

;; Query time: 290 msec
;; SERVER: 202.160.9.10#53(dns2-tl.brunet.bn)
;; WHEN: Tue May 22 13:28:41 2012
;; MSG SIZE  rcvd: 98

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 726
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 1

;; QUESTION SECTION:
;ubd.edu.bn.			IN	SOA

;; ANSWER SECTION:
ubd.edu.bn.		7200	IN	SOA	dns1.ubd.edu.bn. postmaster.ubd.edu.bn. 2012051405 3600 300 1209600 7200

;; AUTHORITY SECTION:
ubd.edu.bn.		7200	IN	NS	dns1.ubd.edu.bn.

;; ADDITIONAL SECTION:
dns1.ubd.edu.bn.	7200	IN	A	202.160.7.50

;; Query time: 191 msec
;; SERVER: 202.160.1.22#53(dns2.ubd.edu.bn)
;; WHEN: Tue May 22 13:28:42 2012
;; MSG SIZE  rcvd: 110

HTTP

Looking for CNAME of www.ubd.edu.bn
Checking if there is a AAAA for www.ubd.edu.bn ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.ubd.edu.bn aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 946
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.ubd.edu.bn.			IN	AAAA

;; ANSWER SECTION:
www.ubd.edu.bn.		7199	IN	CNAME	web3.ubd.edu.bn.

;; AUTHORITY SECTION:
ubd.edu.bn.		7200	IN	SOA	dns1.ubd.edu.bn. postmaster.ubd.edu.bn. 2012051405 3600 300 1209600 7200

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 13:28:43 2012
;; MSG SIZE  rcvd: 103

Checking other options ... failed too.

SMTP

MX 10 imss1.ubd.edu.bn
Looking for AAAA on imss1.ubd.edu.bn

DNS

Looking for AAAA of NS dns1.ubd.edu.bn
No AAAA record for dns1.ubd.edu.bn

NTP

Looking for an A record for ntp.ubd.edu.bn
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for ntp.ubd.edu.bn
Cannot find a AAAA record for ntp.ipv6.ubd.edu.bn

XMPP

Looking for a SRV record for _xmpp-client._tcp.ubd.edu.bn
Looking for a SRV record for _xmpp-server._tcp.ubd.edu.bn

Last Updated: Tue May 22 03:58:46 2012 UTC