Check that www.equinix.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 equinix.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 247
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			18872	IN	NS	e.root-servers.net.
.			18872	IN	NS	c.root-servers.net.
.			18872	IN	NS	a.root-servers.net.
.			18872	IN	NS	k.root-servers.net.
.			18872	IN	NS	d.root-servers.net.
.			18872	IN	NS	h.root-servers.net.
.			18872	IN	NS	l.root-servers.net.
.			18872	IN	NS	j.root-servers.net.
.			18872	IN	NS	b.root-servers.net.
.			18872	IN	NS	i.root-servers.net.
.			18872	IN	NS	g.root-servers.net.
.			18872	IN	NS	m.root-servers.net.
.			18872	IN	NS	f.root-servers.net.

;; ADDITIONAL SECTION:
k.root-servers.net.	508390	IN	A	193.0.14.129
k.root-servers.net.	508390	IN	AAAA	2001:7fd::1
a.root-servers.net.	506864	IN	A	198.41.0.4
a.root-servers.net.	506864	IN	AAAA	2001:503:ba3e::2:30
c.root-servers.net.	207522	IN	A	192.33.4.12
d.root-servers.net.	204076	IN	A	128.8.10.90
d.root-servers.net.	204076	IN	AAAA	2001:500:2d::d
j.root-servers.net.	119134	IN	A	192.58.128.30
j.root-servers.net.	119134	IN	AAAA	2001:503:c27::2:30
b.root-servers.net.	465128	IN	A	192.228.79.201
e.root-servers.net.	462448	IN	A	192.203.230.10
i.root-servers.net.	506971	IN	A	192.36.148.17
i.root-servers.net.	506971	IN	AAAA	2001:7fe::53
f.root-servers.net.	507735	IN	A	192.5.5.241

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 17:12:20 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1323
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	k.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: Thu May 17 17:12:20 2012
;; MSG SIZE  rcvd: 489

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 352
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

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

;; AUTHORITY SECTION:
equinix.com.		172800	IN	NS	ns.equinix.com.
equinix.com.		172800	IN	NS	ns2.equinix.com.
equinix.com.		172800	IN	NS	ns1.sgw.equinix.com.
equinix.com.		172800	IN	NS	ns4.sgw.equinix.com.
equinix.com.		172800	IN	NS	ns2.tyo.equinix.com.

;; ADDITIONAL SECTION:
ns.equinix.com.		172800	IN	A	207.20.85.66
ns2.equinix.com.	172800	IN	A	206.184.17.51
ns1.sgw.equinix.com.	172800	IN	A	202.79.193.10
ns4.sgw.equinix.com.	172800	IN	A	202.79.193.33
ns2.tyo.equinix.com.	172800	IN	A	202.177.203.2

;; Query time: 133 msec
;; SERVER: 2001:503:231d::2:30#53(b.gtld-servers.net)
;; WHEN: Thu May 17 17:12:20 2012
;; MSG SIZE  rcvd: 206

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1478
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 2, ADDITIONAL: 2

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

;; ANSWER SECTION:
equinix.com.		300	IN	SOA	equinix.com. hostmaster.equinix.com. 2012051400 3600 2800 864000 10800

;; AUTHORITY SECTION:
equinix.com.		300	IN	NS	ns.equinix.com.
equinix.com.		300	IN	NS	ns2.equinix.com.

;; ADDITIONAL SECTION:
ns.equinix.com.		600	IN	A	207.20.85.66
ns2.equinix.com.	300	IN	A	206.184.17.51

;; Query time: 123 msec
;; SERVER: 202.177.203.2#53(ns2.tyo.equinix.com)
;; WHEN: Thu May 17 17:12:21 2012
;; MSG SIZE  rcvd: 143

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.equinix.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1962
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.equinix.com.	300	IN	CNAME	orig-10001.equinix.cotcdn.net.

;; AUTHORITY SECTION:
cotcdn.net.		360	IN	SOA	dns11.cotcdn.net. sysadmin.cotendo.com. 1 3600 600 360 0

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 17:12:21 2012
;; MSG SIZE  rcvd: 135

Checking other options ... failed too.

SMTP

MX 10 cust16-4.in.mailcontrol.com
Looking for AAAA on cust16-4.in.mailcontrol.com
MX 10 cust16-3.in.mailcontrol.com
Looking for AAAA on cust16-3.in.mailcontrol.com
MX 10 cust16-1.in.mailcontrol.com
Looking for AAAA on cust16-1.in.mailcontrol.com
MX 10 cust16-2.in.mailcontrol.com
Looking for AAAA on cust16-2.in.mailcontrol.com

DNS

Looking for AAAA of NS ns.equinix.com
No AAAA record for ns.equinix.com
Looking for AAAA of NS ns2.equinix.com
No AAAA record for ns2.equinix.com

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.equinix.com
Looking for a SRV record for _xmpp-server._tcp.equinix.com
Found XMPP server sv2ocsxmpp.equinix.com (0, 5269)
Trying to connect to 64.191.195.178 on 5269 ... Connection succeeded

Last Updated: Thu May 17 07:42:26 2012 UTC