Check that www.cmb.ac.lk 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 cmb.ac.lk soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1573
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			28819	IN	NS	m.root-servers.net.
.			28819	IN	NS	l.root-servers.net.
.			28819	IN	NS	h.root-servers.net.
.			28819	IN	NS	e.root-servers.net.
.			28819	IN	NS	g.root-servers.net.
.			28819	IN	NS	j.root-servers.net.
.			28819	IN	NS	b.root-servers.net.
.			28819	IN	NS	a.root-servers.net.
.			28819	IN	NS	i.root-servers.net.
.			28819	IN	NS	f.root-servers.net.
.			28819	IN	NS	k.root-servers.net.
.			28819	IN	NS	c.root-servers.net.
.			28819	IN	NS	d.root-servers.net.

;; ADDITIONAL SECTION:
k.root-servers.net.	518337	IN	A	193.0.14.129
k.root-servers.net.	518337	IN	AAAA	2001:7fd::1
a.root-servers.net.	516811	IN	A	198.41.0.4
a.root-servers.net.	516811	IN	AAAA	2001:503:ba3e::2:30
c.root-servers.net.	217469	IN	A	192.33.4.12
d.root-servers.net.	214023	IN	A	128.8.10.90
d.root-servers.net.	214023	IN	AAAA	2001:500:2d::d
j.root-servers.net.	129081	IN	A	192.58.128.30
j.root-servers.net.	129081	IN	AAAA	2001:503:c27::2:30
b.root-servers.net.	475075	IN	A	192.228.79.201
e.root-servers.net.	472395	IN	A	192.203.230.10
i.root-servers.net.	516918	IN	A	192.36.148.17
i.root-servers.net.	516918	IN	AAAA	2001:7fe::53
f.root-servers.net.	517682	IN	A	192.5.5.241

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 14:26:33 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1122
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 9, ADDITIONAL: 13

;; QUESTION SECTION:
;cmb.ac.lk.			IN	SOA

;; AUTHORITY SECTION:
lk.			172800	IN	NS	c.nic.lk.
lk.			172800	IN	NS	d.nic.lk.
lk.			172800	IN	NS	l.nic.lk.
lk.			172800	IN	NS	m.nic.lk.
lk.			172800	IN	NS	p.nic.lk.
lk.			172800	IN	NS	t.nic.lk.
lk.			172800	IN	NS	ns1.ac.lk.
lk.			172800	IN	NS	ripe.nic.lk.
lk.			172800	IN	NS	pendragon.cs.purdue.edu.

;; ADDITIONAL SECTION:
c.nic.lk.		172800	IN	A	203.143.29.3
d.nic.lk.		172800	IN	A	123.231.6.18
l.nic.lk.		172800	IN	A	192.248.8.17
m.nic.lk.		172800	IN	A	202.129.235.229
p.nic.lk.		172800	IN	A	204.61.216.27
t.nic.lk.		172800	IN	A	203.94.66.129
ns1.ac.lk.		172800	IN	A	192.248.1.162
ripe.nic.lk.		172800	IN	A	193.0.9.88
pendragon.cs.purdue.edu. 172800	IN	A	128.10.2.5
c.nic.lk.		172800	IN	AAAA	2405:5400:3:1:203:143:29:3
p.nic.lk.		172800	IN	AAAA	2001:500:14:6027:ad::1
ns1.ac.lk.		172800	IN	AAAA	2401:dd00:1::162
ripe.nic.lk.		172800	IN	AAAA	2001:67c:e0::88

;; Query time: 24 msec
;; SERVER: 192.203.230.10#53(e.root-servers.net)
;; WHEN: Thu May 17 14:26:33 2012
;; MSG SIZE  rcvd: 462

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 741
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 7

;; QUESTION SECTION:
;cmb.ac.lk.			IN	SOA

;; AUTHORITY SECTION:
cmb.ac.lk.		86400	IN	NS	ns1.ac.lk.
cmb.ac.lk.		86400	IN	NS	ns2.ac.lk.
cmb.ac.lk.		86400	IN	NS	ns3.ac.lk.
cmb.ac.lk.		86400	IN	NS	aduna.cmb.ac.lk.

;; ADDITIONAL SECTION:
ns1.ac.lk.		43200	IN	A	192.248.1.162
ns1.ac.lk.		43200	IN	AAAA	2401:dd00:1::162
ns2.ac.lk.		43200	IN	A	192.248.1.168
ns2.ac.lk.		43200	IN	AAAA	2401:dd00:1::168
ns3.ac.lk.		43200	IN	A	220.247.209.130
aduna.cmb.ac.lk.	86400	IN	A	192.248.16.92
aduna.cmb.ac.lk.	43200	IN	AAAA	2001:df0:17:1000::92

;; Query time: 325 msec
;; SERVER: 2001:67c:e0::88#53(ripe.nic.lk)
;; WHEN: Thu May 17 14:26:34 2012
;; MSG SIZE  rcvd: 249

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1580
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 2

;; QUESTION SECTION:
;cmb.ac.lk.			IN	SOA

;; ANSWER SECTION:
cmb.ac.lk.		10800	IN	SOA	aduna.cmb.ac.lk. named.cmb.ac.lk. 2012051601 10800 7200 1209600 7200

;; AUTHORITY SECTION:
cmb.ac.lk.		10800	IN	NS	lms.bit.lk.
cmb.ac.lk.		10800	IN	NS	aduna.cmb.ac.lk.
cmb.ac.lk.		10800	IN	NS	ns.ac.lk.

;; ADDITIONAL SECTION:
aduna.cmb.ac.lk.	10800	IN	A	192.248.16.92
lms.bit.lk.		10800	IN	A	220.247.224.162

;; Query time: 171 msec
;; SERVER: 192.248.16.92#53(aduna.cmb.ac.lk)
;; WHEN: Thu May 17 14:26:34 2012
;; MSG SIZE  rcvd: 160

HTTP

Looking for CNAME of www.cmb.ac.lk
Checking if there is a AAAA for www.cmb.ac.lk ... success.
Connection failed: IO::Socket::INET6: connect: No route to host

Ping to www.cmb.ac.lk [2401:dd00:18:0:0:0:0:89]

no answer from 2401:dd00:18:0:0:0:0:89

Traceroute to www.cmb.ac.lk [2401:dd00:18:0:0:0:0:89]

 1  2001:44b8:60::1  0.694 ms  0.632 ms  0.464 ms
 2  2001:44b8:8060:1d::6  0.837 ms  0.840 ms  0.659 ms
 3  2001:44b8:8060:34::1  175.952 ms  1.078 ms  1.611 ms
 4  2001:44b8:b060:7::2  20.200 ms *  110.029 ms
 5  2001:44b8:b060:1::22  176.025 ms  175.508 ms  175.618 ms
 6  2001:1900:2100::599  175.428 ms  175.512 ms  175.454 ms
 7  2001:1900:12:4::d  175.646 ms 2001:1900:12:3::d  175.559 ms  175.518 ms
 8  2001:1900:5:3::152  183.691 ms  175.744 ms 2001:1900:4:3::b2  175.741 ms
 9  2001:2000:3018:24::1  337.954 ms  336.535 ms  336.653 ms
10  2001:2000:3080:13c::2  341.606 ms  345.119 ms  341.491 ms
11  2402:d000:0:10::51  362.007 ms 2402:d000:0:10::55  346.299 ms 2402:d000:0:10::51  340.127 ms
12  2402:d000:0:11::62  342.476 ms  341.566 ms  342.066 ms
13  2402:d000:0:3::2  341.110 ms  341.416 ms  341.460 ms
14  2401:dd00:1::188  355.961 ms  356.014 ms  356.297 ms
15  2401:dd00::18  341.076 ms  341.045 ms  341.065 ms
16  2401:dd00::18  3339.955 ms !A  3516.421 ms !A  3351.464 ms !A

SMTP

MX 50 in-relay.ac.lk
Looking for AAAA on in-relay.ac.lk
Connecting to 2401:dd00:1:0:0:0:0:166 ... done.
220 haggala.learn.ac.lk ESMTP
250-haggala.learn.ac.lk
250-PIPELINING
250-SIZE 10485760
250-VRFY
250-ETRN
250-ENHANCEDSTATUSCODES
250-8BITMIME
250 DSN
MX 50 in-relay-t.ac.lk
Looking for AAAA on in-relay-t.ac.lk
MX 50 in-relay-s.ac.lk
Looking for AAAA on in-relay-s.ac.lk

DNS

Looking for AAAA of NS ns.ac.lk
Querying 2401:dd00:1:0:0:0:0:162 for SOA of cmb.ac.lk over IPv6 ... successful!
Looking for AAAA of NS aduna.cmb.ac.lk
No AAAA record for aduna.cmb.ac.lk
Looking for AAAA of NS lms.bit.lk
No AAAA record for lms.bit.lk

NTP

Looking for an A record for ntp.cmb.ac.lk
Looking for an A record for clock.cmb.ac.lk
Looking for an A record for time.cmb.ac.lk
Looking for an A record for chime.cmb.ac.lk

XMPP

Looking for a SRV record for _xmpp-client._tcp.cmb.ac.lk
Looking for a SRV record for _xmpp-server._tcp.cmb.ac.lk

Last Updated: Thu May 17 05:00:55 2012 UTC