Check that www.ciena.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 ciena.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1138
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; AUTHORITY SECTION:
.			3600000	IN	NS	K.ROOT-SERVERS.NET.
.			3600000	IN	NS	H.ROOT-SERVERS.NET.
.			3600000	IN	NS	F.ROOT-SERVERS.NET.
.			3600000	IN	NS	G.ROOT-SERVERS.NET.
.			3600000	IN	NS	I.ROOT-SERVERS.NET.
.			3600000	IN	NS	B.ROOT-SERVERS.NET.
.			3600000	IN	NS	E.ROOT-SERVERS.NET.
.			3600000	IN	NS	A.ROOT-SERVERS.NET.
.			3600000	IN	NS	L.ROOT-SERVERS.NET.
.			3600000	IN	NS	M.ROOT-SERVERS.NET.
.			3600000	IN	NS	C.ROOT-SERVERS.NET.
.			3600000	IN	NS	D.ROOT-SERVERS.NET.
.			3600000	IN	NS	J.ROOT-SERVERS.NET.

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	459873	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	459873	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	418137	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	160531	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	157085	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	157085	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	415457	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	460744	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	156480	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	461408	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	418446	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	418446	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	459980	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	459980	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 06:15:31 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1035
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.

;; ADDITIONAL SECTION:
a.gtld-servers.net.	172800	IN	A	192.5.6.30
a.gtld-servers.net.	172800	IN	AAAA	2001:503:a83e::2:30
b.gtld-servers.net.	172800	IN	A	192.33.14.30
b.gtld-servers.net.	172800	IN	AAAA	2001:503:231d::2:30
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

;; Query time: 135 msec
;; SERVER: 2001:503:c27::2:30#53(J.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 06:15:31 2012
;; MSG SIZE  rcvd: 499

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 654
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
ciena.com.		172800	IN	NS	auth100.ns.uu.net.
ciena.com.		172800	IN	NS	dns1.ciena.com.

;; ADDITIONAL SECTION:
auth100.ns.uu.net.	172800	IN	A	198.6.1.202
dns1.ciena.com.		172800	IN	A	63.118.33.53

;; Query time: 248 msec
;; SERVER: 192.41.162.30#53(l.gtld-servers.net)
;; WHEN: Fri May 18 06:15:31 2012
;; MSG SIZE  rcvd: 109

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1622
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

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

;; ANSWER SECTION:
ciena.com.		3600	IN	SOA	dns1.ciena.com. domainregtech.ciena.com. 200809571 900 3600 604800 86400

;; AUTHORITY SECTION:
ciena.com.		900	IN	NS	dns3.ciena.com.
ciena.com.		900	IN	NS	dns2.ciena.com.

;; ADDITIONAL SECTION:
dns2.ciena.com.		900	IN	A	63.118.34.53
dns3.ciena.com.		900	IN	A	65.200.63.53

;; Query time: 252 msec
;; SERVER: 63.118.33.53#53(dns1.ciena.com)
;; WHEN: Fri May 18 06:15:32 2012
;; MSG SIZE  rcvd: 152

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.ciena.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 661
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.ciena.com.		898	IN	CNAME	mobile-c.clickability.com.

;; AUTHORITY SECTION:
clickability.com.	0	IN	SOA	ns1.clickability.com. dnsadmin.clickability.com. 878 10800 3600 604800 60

;; Query time: 186 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 06:15:34 2012
;; MSG SIZE  rcvd: 116

Checking other options ... failed too.

SMTP

MX 5 mx0a-00103a01.pphosted.com
Looking for AAAA on mx0a-00103a01.pphosted.com
MX 5 mx0b-00103a01.pphosted.com
Looking for AAAA on mx0b-00103a01.pphosted.com
MX 5 emrsmta.messageone.com
Looking for AAAA on emrsmta.messageone.com

DNS

Looking for AAAA of NS dns2.ciena.com
No AAAA record for dns2.ciena.com
Looking for AAAA of NS dns3.ciena.com
No AAAA record for dns3.ciena.com

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.ciena.com
Looking for a SRV record for _xmpp-server._tcp.ciena.com

Last Updated: Thu May 17 20:45:38 2012 UTC