Check that www.citrixonline.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 citrixonline.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 491
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			19509	IN	NS	c.root-servers.net.
.			19509	IN	NS	l.root-servers.net.
.			19509	IN	NS	m.root-servers.net.
.			19509	IN	NS	g.root-servers.net.
.			19509	IN	NS	f.root-servers.net.
.			19509	IN	NS	e.root-servers.net.
.			19509	IN	NS	k.root-servers.net.
.			19509	IN	NS	h.root-servers.net.
.			19509	IN	NS	a.root-servers.net.
.			19509	IN	NS	j.root-servers.net.
.			19509	IN	NS	d.root-servers.net.
.			19509	IN	NS	i.root-servers.net.
.			19509	IN	NS	b.root-servers.net.

;; ADDITIONAL SECTION:
k.root-servers.net.	509027	IN	A	193.0.14.129
k.root-servers.net.	509027	IN	AAAA	2001:7fd::1
a.root-servers.net.	507501	IN	A	198.41.0.4
a.root-servers.net.	507501	IN	AAAA	2001:503:ba3e::2:30
c.root-servers.net.	208159	IN	A	192.33.4.12
d.root-servers.net.	204713	IN	A	128.8.10.90
d.root-servers.net.	204713	IN	AAAA	2001:500:2d::d
j.root-servers.net.	119771	IN	A	192.58.128.30
j.root-servers.net.	119771	IN	AAAA	2001:503:c27::2:30
b.root-servers.net.	465765	IN	A	192.228.79.201
e.root-servers.net.	463085	IN	A	192.203.230.10
i.root-servers.net.	507608	IN	A	192.36.148.17
i.root-servers.net.	507608	IN	AAAA	2001:7fe::53
f.root-servers.net.	508372	IN	A	192.5.5.241

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 17:01:43 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1193
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	m.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: 24 msec
;; SERVER: 192.203.230.10#53(e.root-servers.net)
;; WHEN: Thu May 17 17:01:43 2012
;; MSG SIZE  rcvd: 497

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 37
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
citrixonline.com.	172800	IN	NS	ns-a.pnap.net.
citrixonline.com.	172800	IN	NS	ns-b.pnap.net.
citrixonline.com.	172800	IN	NS	ns-c.pnap.net.
citrixonline.com.	172800	IN	NS	ns-d.pnap.net.
citrixonline.com.	172800	IN	NS	ns1.citrixonline.com.
citrixonline.com.	172800	IN	NS	ns2.citrixonline.com.
citrixonline.com.	172800	IN	NS	ns3.citrixonline.com.

;; ADDITIONAL SECTION:
ns-a.pnap.net.		172800	IN	A	64.94.123.4
ns-b.pnap.net.		172800	IN	A	64.94.123.36
ns-c.pnap.net.		172800	IN	A	64.95.61.4
ns-d.pnap.net.		172800	IN	A	64.95.61.36
ns1.citrixonline.com.	172800	IN	A	64.74.80.195
ns2.citrixonline.com.	172800	IN	A	216.115.213.19
ns3.citrixonline.com.	172800	IN	A	216.115.210.19

;; Query time: 133 msec
;; SERVER: 2001:503:a83e::2:30#53(a.gtld-servers.net)
;; WHEN: Thu May 17 17:01:43 2012
;; MSG SIZE  rcvd: 284

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2041
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 7, ADDITIONAL: 7

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

;; ANSWER SECTION:
citrixonline.com.	3600	IN	SOA	ns1.citrixonline.com. noc.citrixonline.com. 344602074 1200 180 1209600 3600

;; AUTHORITY SECTION:
citrixonline.com.	3600	IN	NS	ns-c.pnap.net.
citrixonline.com.	3600	IN	NS	ns1.citrixonline.com.
citrixonline.com.	3600	IN	NS	ns-b.pnap.net.
citrixonline.com.	3600	IN	NS	ns2.citrixonline.com.
citrixonline.com.	3600	IN	NS	ns-d.pnap.net.
citrixonline.com.	3600	IN	NS	ns3.citrixonline.com.
citrixonline.com.	3600	IN	NS	ns-a.pnap.net.

;; ADDITIONAL SECTION:
ns1.citrixonline.com.	3600	IN	A	64.74.80.195
ns2.citrixonline.com.	3600	IN	A	216.115.213.19
ns3.citrixonline.com.	3600	IN	A	216.115.210.19
ns-a.pnap.net.		43200	IN	A	64.94.123.4
ns-b.pnap.net.		43200	IN	A	64.94.123.36
ns-c.pnap.net.		43200	IN	A	64.95.61.4
ns-d.pnap.net.		43200	IN	A	64.95.61.36

;; Query time: 198 msec
;; SERVER: 64.94.123.4#53(ns-a.pnap.net)
;; WHEN: Thu May 17 17:01:43 2012
;; MSG SIZE  rcvd: 324

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.citrixonline.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 808
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.citrixonline.com.	3599	IN	CNAME	www.expertcity.com.

;; AUTHORITY SECTION:
expertcity.com.		3600	IN	SOA	ns1.citrixonline.com. noc.citrixonline.com. 344602049 1200 180 1209600 3600

;; Query time: 6 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 17:01:45 2012
;; MSG SIZE  rcvd: 111

Checking other options ... failed too.

SMTP

MX 10 mx3.expertcity.com
Looking for AAAA on mx3.expertcity.com

DNS

Looking for AAAA of NS ns1.citrixonline.com
No AAAA record for ns1.citrixonline.com
Looking for AAAA of NS ns-d.pnap.net
No AAAA record for ns-d.pnap.net
Looking for AAAA of NS ns2.citrixonline.com
No AAAA record for ns2.citrixonline.com
Looking for AAAA of NS ns-a.pnap.net
No AAAA record for ns-a.pnap.net
Looking for AAAA of NS ns-b.pnap.net
No AAAA record for ns-b.pnap.net
Looking for AAAA of NS ns3.citrixonline.com
No AAAA record for ns3.citrixonline.com
Looking for AAAA of NS ns-c.pnap.net
No AAAA record for ns-c.pnap.net

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.citrixonline.com
Found XMPP client colchat1.citrixonline.com (10, 5222)
Trying to connect to 216.219.126.41 on 5222 ... Connection succeeded
Looking for a SRV record for _xmpp-server._tcp.citrixonline.com
Found XMPP server colchat1.citrixonline.com (10, 5269)
Trying to connect to 216.219.126.41 on 5269 ... Connection succeeded

Last Updated: Thu May 17 07:31:50 2012 UTC