Check that www.lifesize.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 lifesize.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1541
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			331107	IN	NS	e.root-servers.net.
.			331107	IN	NS	d.root-servers.net.
.			331107	IN	NS	m.root-servers.net.
.			331107	IN	NS	f.root-servers.net.
.			331107	IN	NS	j.root-servers.net.
.			331107	IN	NS	k.root-servers.net.
.			331107	IN	NS	a.root-servers.net.
.			331107	IN	NS	l.root-servers.net.
.			331107	IN	NS	h.root-servers.net.
.			331107	IN	NS	c.root-servers.net.
.			331107	IN	NS	i.root-servers.net.
.			331107	IN	NS	b.root-servers.net.
.			331107	IN	NS	g.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	200430	IN	A	198.41.0.4
a.root-servers.net.	200430	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	158694	IN	A	192.228.79.201
c.root-servers.net.	546478	IN	A	192.33.4.12
d.root-servers.net.	504827	IN	A	128.8.10.90
d.root-servers.net.	504827	IN	AAAA	2001:500:2d::d
e.root-servers.net.	156014	IN	A	192.203.230.10
f.root-servers.net.	201301	IN	A	192.5.5.241
f.root-servers.net.	506177	IN	AAAA	2001:500:2f::f
g.root-servers.net.	201965	IN	A	192.112.36.4
h.root-servers.net.	159003	IN	A	128.63.2.53
h.root-servers.net.	159003	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	200537	IN	A	192.36.148.17
i.root-servers.net.	200537	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 06:19:34 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1684
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	b.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: 126 msec
;; SERVER: 2001:dc3::35#53(m.root-servers.net)
;; WHEN: Mon May 21 06:19:35 2012
;; MSG SIZE  rcvd: 490

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1129
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

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

;; AUTHORITY SECTION:
lifesize.com.		172800	IN	NS	ns1.lifesize.com.
lifesize.com.		172800	IN	NS	ns2.lifesize.com.
lifesize.com.		172800	IN	NS	ns3.lifesize.com.

;; ADDITIONAL SECTION:
ns1.lifesize.com.	172800	IN	A	209.163.159.5
ns2.lifesize.com.	172800	IN	A	209.163.159.6
ns3.lifesize.com.	172800	IN	A	67.15.192.31

;; Query time: 133 msec
;; SERVER: 2001:503:231d::2:30#53(b.gtld-servers.net)
;; WHEN: Mon May 21 06:19:35 2012
;; MSG SIZE  rcvd: 132

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 249
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 3

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

;; ANSWER SECTION:
lifesize.com.		86400	IN	SOA	ns1.lifesize.com. hostmaster.lifesize.com. 2012051802 28800 7200 604800 3600

;; AUTHORITY SECTION:
lifesize.com.		86400	IN	NS	ns3.lifesize.com.
lifesize.com.		86400	IN	NS	ns1.lifesize.com.
lifesize.com.		86400	IN	NS	ns2.lifesize.com.

;; ADDITIONAL SECTION:
ns1.lifesize.com.	86400	IN	A	209.163.159.5
ns2.lifesize.com.	86400	IN	A	209.163.159.6
ns3.lifesize.com.	86400	IN	A	65.99.211.164

;; Query time: 474 msec
;; SERVER: 209.163.159.5#53(ns1.lifesize.com)
;; WHEN: Mon May 21 06:19:36 2012
;; MSG SIZE  rcvd: 179

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.lifesize.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1064
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
lifesize.com.		3600	IN	SOA	ns1.lifesize.com. hostmaster.lifesize.com. 2012051802 28800 7200 604800 3600

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 06:19:37 2012
;; MSG SIZE  rcvd: 85

Checking other options ... failed too.

SMTP

MX 10 lifesize.com.s9a1.psmtp.com
Looking for AAAA on lifesize.com.s9a1.psmtp.com
MX 10 lifesize.com.s9a2.psmtp.com
Looking for AAAA on lifesize.com.s9a2.psmtp.com
MX 10 lifesize.com.s9b1.psmtp.com
Looking for AAAA on lifesize.com.s9b1.psmtp.com
MX 10 lifesize.com.s9b2.psmtp.com
Looking for AAAA on lifesize.com.s9b2.psmtp.com

DNS

Looking for AAAA of NS ns2.lifesize.com
No AAAA record for ns2.lifesize.com
Looking for AAAA of NS ns3.lifesize.com
No AAAA record for ns3.lifesize.com
Looking for AAAA of NS ns1.lifesize.com
No AAAA record for ns1.lifesize.com

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.lifesize.com
Found XMPP client jabber00.lifesize.com (0, 5222)
Trying to connect to 207.114.244.60 on 5222 ... Connection succeeded
Looking for a SRV record for _xmpp-server._tcp.lifesize.com
Found XMPP server jabber00.lifesize.com (0, 5269)
Trying to connect to 207.114.244.60 on 5269 ... Connection succeeded

Last Updated: Sun May 20 20:49:42 2012 UTC