Check that www.coresite.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 coresite.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1687
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			19463	IN	NS	l.root-servers.net.
.			19463	IN	NS	k.root-servers.net.
.			19463	IN	NS	j.root-servers.net.
.			19463	IN	NS	m.root-servers.net.
.			19463	IN	NS	g.root-servers.net.
.			19463	IN	NS	c.root-servers.net.
.			19463	IN	NS	i.root-servers.net.
.			19463	IN	NS	e.root-servers.net.
.			19463	IN	NS	h.root-servers.net.
.			19463	IN	NS	b.root-servers.net.
.			19463	IN	NS	a.root-servers.net.
.			19463	IN	NS	d.root-servers.net.
.			19463	IN	NS	f.root-servers.net.

;; ADDITIONAL SECTION:
k.root-servers.net.	508981	IN	A	193.0.14.129
k.root-servers.net.	508981	IN	AAAA	2001:7fd::1
a.root-servers.net.	507455	IN	A	198.41.0.4
a.root-servers.net.	507455	IN	AAAA	2001:503:ba3e::2:30
c.root-servers.net.	208113	IN	A	192.33.4.12
d.root-servers.net.	204667	IN	A	128.8.10.90
d.root-servers.net.	204667	IN	AAAA	2001:500:2d::d
j.root-servers.net.	119725	IN	A	192.58.128.30
j.root-servers.net.	119725	IN	AAAA	2001:503:c27::2:30
b.root-servers.net.	465719	IN	A	192.228.79.201
e.root-servers.net.	463039	IN	A	192.203.230.10
i.root-servers.net.	507562	IN	A	192.36.148.17
i.root-servers.net.	507562	IN	AAAA	2001:7fe::53
f.root-servers.net.	508326	IN	A	192.5.5.241

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 17:02:29 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 747
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

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

;; AUTHORITY SECTION:
com.			172800	IN	NS	c.gtld-servers.net.
com.			172800	IN	NS	l.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	k.gtld-servers.net.
com.			172800	IN	NS	g.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	b.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	h.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	d.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 17:02:30 2012
;; MSG SIZE  rcvd: 490

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1756
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
coresite.com.		172800	IN	NS	ns11.worldnic.com.
coresite.com.		172800	IN	NS	ns12.worldnic.com.

;; ADDITIONAL SECTION:
ns11.worldnic.com.	172800	IN	A	205.178.190.6
ns12.worldnic.com.	172800	IN	A	206.188.198.6

;; Query time: 327 msec
;; SERVER: 192.12.94.30#53(e.gtld-servers.net)
;; WHEN: Thu May 17 17:02:30 2012
;; MSG SIZE  rcvd: 109

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1378
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
coresite.com.		7200	IN	SOA	NS11.WORLDNIC.COM. namehost.WORLDNIC.COM. 112041118 10800 3600 604800 3600

;; Query time: 235 msec
;; SERVER: 206.188.198.6#53(ns12.worldnic.com)
;; WHEN: Thu May 17 17:02:31 2012
;; MSG SIZE  rcvd: 92

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.coresite.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1210
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
coresite.com.		7200	IN	SOA	NS11.WORLDNIC.com. namehost.WORLDNIC.com. 112041118 10800 3600 604800 3600

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Thu May 17 17:02:32 2012
;; MSG SIZE  rcvd: 93

Checking other options ... failed too.

SMTP

MX 10 cluster5.us.messagelabs.com
Looking for AAAA on cluster5.us.messagelabs.com
MX 10 cluster5a.us.messagelabs.com
Looking for AAAA on cluster5a.us.messagelabs.com

DNS

Looking for AAAA of NS ns12.worldnic.com
No AAAA record for ns12.worldnic.com
Looking for AAAA of NS ns11.worldnic.com
No AAAA record for ns11.worldnic.com

NTP

Looking for an A record for ntp.coresite.com
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for ntp.coresite.com
Cannot find a AAAA record for ntp.ipv6.coresite.com

XMPP

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

Last Updated: Thu May 17 07:32:36 2012 UTC