Check that www.radvision.com 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 radvision.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1678
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			244237	IN	NS	a.root-servers.net.
.			244237	IN	NS	h.root-servers.net.
.			244237	IN	NS	g.root-servers.net.
.			244237	IN	NS	m.root-servers.net.
.			244237	IN	NS	j.root-servers.net.
.			244237	IN	NS	l.root-servers.net.
.			244237	IN	NS	c.root-servers.net.
.			244237	IN	NS	d.root-servers.net.
.			244237	IN	NS	b.root-servers.net.
.			244237	IN	NS	f.root-servers.net.
.			244237	IN	NS	e.root-servers.net.
.			244237	IN	NS	i.root-servers.net.
.			244237	IN	NS	k.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	113560	IN	A	198.41.0.4
a.root-servers.net.	113560	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	71824	IN	A	192.228.79.201
c.root-servers.net.	459608	IN	A	192.33.4.12
d.root-servers.net.	417957	IN	A	128.8.10.90
d.root-servers.net.	417957	IN	AAAA	2001:500:2d::d
e.root-servers.net.	69144	IN	A	192.203.230.10
f.root-servers.net.	114431	IN	A	192.5.5.241
f.root-servers.net.	419307	IN	AAAA	2001:500:2f::f
g.root-servers.net.	115095	IN	A	192.112.36.4
h.root-servers.net.	72133	IN	A	128.63.2.53
h.root-servers.net.	72133	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	113667	IN	A	192.36.148.17
i.root-servers.net.	113667	IN	AAAA	2001:7fe::53

;; Query time: 12 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 06:27:24 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 392
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;radvision.com.			IN	SOA

;; AUTHORITY SECTION:
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	g.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: 125 msec
;; SERVER: 2001:dc3::35#53(m.root-servers.net)
;; WHEN: Tue May 22 06:27:24 2012
;; MSG SIZE  rcvd: 491

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 634
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;radvision.com.			IN	SOA

;; AUTHORITY SECTION:
radvision.com.		172800	IN	NS	dbru.br.ns.els-gms.att.net.
radvision.com.		172800	IN	NS	dmtu.mt.ns.els-gms.att.net.

;; ADDITIONAL SECTION:
dbru.br.ns.els-gms.att.net. 172800 IN	A	199.191.128.106
dmtu.mt.ns.els-gms.att.net. 172800 IN	A	12.127.16.70

;; Query time: 195 msec
;; SERVER: 192.42.93.30#53(g.gtld-servers.net)
;; WHEN: Tue May 22 06:27:24 2012
;; MSG SIZE  rcvd: 125

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1613
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 4

;; QUESTION SECTION:
;radvision.com.			IN	SOA

;; ANSWER SECTION:
radvision.com.		86400	IN	SOA	xbru.br.ns.els-gms.att.net. rm-hostmaster.ems.att.com. 323 86400 10000 604800 86400

;; AUTHORITY SECTION:
radvision.com.		86400	IN	NS	dmtu.mt.ns.els-gms.att.net.
radvision.com.		86400	IN	NS	dbru.br.ns.els-gms.att.net.

;; ADDITIONAL SECTION:
dbru.br.ns.els-gms.att.net. 86400 IN	A	199.191.128.106
dbru.br.ns.els-gms.att.net. 86400 IN	AAAA	2001:1890:1ff:3::24
dmtu.mt.ns.els-gms.att.net. 86400 IN	A	12.127.16.70
dmtu.mt.ns.els-gms.att.net. 86400 IN	AAAA	2001:1890:1ff:10::24

;; Query time: 274 msec
;; SERVER: 2001:1890:1ff:10::24#53(dmtu.mt.ns.els-gms.att.net)
;; WHEN: Tue May 22 06:27:25 2012
;; MSG SIZE  rcvd: 244

HTTP

Looking for CNAME of www.radvision.com
Checking if there is a AAAA for www.radvision.com ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.radvision.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 221
;; flags: qr rd ra; QUERY: 1, ANSWER: 2, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.radvision.com.		IN	AAAA

;; ANSWER SECTION:
www.radvision.com.	3600	IN	CNAME	wpc.2505.edgecastcdn.net.
wpc.2505.edgecastcdn.net. 3600	IN	CNAME	gs1.wpc.edgecastcdn.net.

;; AUTHORITY SECTION:
wpc.edgecastcdn.net.	600	IN	SOA	ns1.edgecastcdn.net. noc.edgecast.com. 2009082800 3600 600 604800 600

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 06:27:25 2012
;; MSG SIZE  rcvd: 148

Checking other options ... failed too.

SMTP

MX 5 mx5.radvision.com
Looking for AAAA on mx5.radvision.com
MX 5 mx9.radvision.com
Looking for AAAA on mx9.radvision.com
MX 5 mx10mail.radvision.com
Looking for AAAA on mx10mail.radvision.com
MX 5 mx100mail.radvision.com
Looking for AAAA on mx100mail.radvision.com

DNS

Looking for AAAA of NS dmtu.mt.ns.els-gms.att.net
Querying 2001:1890:1ff:10:0:0:0:24 for SOA of radvision.com over IPv6 ... successful!
Looking for AAAA of NS dbru.br.ns.els-gms.att.net
Querying 2001:1890:1ff:3:0:0:0:24 for SOA of radvision.com over IPv6 ... successful!

NTP

Looking for an A record for ntp.radvision.com
Looking for an A record for clock.radvision.com
Looking for an A record for time.radvision.com
Looking for an A record for chime.radvision.com

XMPP

Looking for a SRV record for _xmpp-client._tcp.radvision.com
Looking for a SRV record for _xmpp-server._tcp.radvision.com
Found XMPP server rvnh-qartcgw.radvision.com (5, 5269)
Trying to connect to 12.197.11.20 on 5269 ... Can't bind to port: IO::Socket::INET: connect: Connection timed out
No equivalent IPv6 service found.

Last Updated: Mon May 21 21:01:15 2012 UTC