Check that www.savvis.net 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 savvis.net soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1962
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			197785	IN	NS	m.root-servers.net.
.			197785	IN	NS	e.root-servers.net.
.			197785	IN	NS	l.root-servers.net.
.			197785	IN	NS	f.root-servers.net.
.			197785	IN	NS	k.root-servers.net.
.			197785	IN	NS	g.root-servers.net.
.			197785	IN	NS	i.root-servers.net.
.			197785	IN	NS	j.root-servers.net.
.			197785	IN	NS	a.root-servers.net.
.			197785	IN	NS	d.root-servers.net.
.			197785	IN	NS	c.root-servers.net.
.			197785	IN	NS	b.root-servers.net.
.			197785	IN	NS	h.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	67108	IN	A	198.41.0.4
a.root-servers.net.	67108	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	25372	IN	A	192.228.79.201
c.root-servers.net.	413156	IN	A	192.33.4.12
d.root-servers.net.	371505	IN	A	128.8.10.90
d.root-servers.net.	371505	IN	AAAA	2001:500:2d::d
e.root-servers.net.	22692	IN	A	192.203.230.10
f.root-servers.net.	67979	IN	A	192.5.5.241
f.root-servers.net.	372855	IN	AAAA	2001:500:2f::f
g.root-servers.net.	68643	IN	A	192.112.36.4
h.root-servers.net.	25681	IN	A	128.63.2.53
h.root-servers.net.	25681	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	67215	IN	A	192.36.148.17
i.root-servers.net.	67215	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 19:21:36 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 733
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;savvis.net.			IN	SOA

;; AUTHORITY SECTION:
net.			172800	IN	NS	a.gtld-servers.net.
net.			172800	IN	NS	b.gtld-servers.net.
net.			172800	IN	NS	c.gtld-servers.net.
net.			172800	IN	NS	d.gtld-servers.net.
net.			172800	IN	NS	e.gtld-servers.net.
net.			172800	IN	NS	f.gtld-servers.net.
net.			172800	IN	NS	g.gtld-servers.net.
net.			172800	IN	NS	h.gtld-servers.net.
net.			172800	IN	NS	i.gtld-servers.net.
net.			172800	IN	NS	j.gtld-servers.net.
net.			172800	IN	NS	k.gtld-servers.net.
net.			172800	IN	NS	l.gtld-servers.net.
net.			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: 25 msec
;; SERVER: 2001:500:3::42#53(l.root-servers.net)
;; WHEN: Tue May 22 19:21:36 2012
;; MSG SIZE  rcvd: 485

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 979
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 7, ADDITIONAL: 7

;; QUESTION SECTION:
;savvis.net.			IN	SOA

;; AUTHORITY SECTION:
savvis.net.		172800	IN	NS	ns1.savvis.net.
savvis.net.		172800	IN	NS	ns2.savvis.net.
savvis.net.		172800	IN	NS	ns3.savvis.net.
savvis.net.		172800	IN	NS	ns6.savvis.net.
savvis.net.		172800	IN	NS	ns6a.savvis.net.
savvis.net.		172800	IN	NS	ns4.savvis.net.
savvis.net.		172800	IN	NS	ns5.savvis.net.

;; ADDITIONAL SECTION:
ns1.savvis.net.		172800	IN	A	209.16.211.42
ns2.savvis.net.		172800	IN	A	204.194.10.206
ns3.savvis.net.		172800	IN	A	209.83.162.35
ns6.savvis.net.		172800	IN	A	212.124.226.230
ns6a.savvis.net.	172800	IN	A	212.124.226.231
ns4.savvis.net.		172800	IN	A	204.70.49.234
ns5.savvis.net.		172800	IN	A	204.71.116.25

;; Query time: 246 msec
;; SERVER: 192.31.80.30#53(d.gtld-servers.net)
;; WHEN: Tue May 22 19:21:36 2012
;; MSG SIZE  rcvd: 267

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1600
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 7, ADDITIONAL: 7

;; QUESTION SECTION:
;savvis.net.			IN	SOA

;; ANSWER SECTION:
savvis.net.		600	IN	SOA	ns1.savvis.net. dns.savvis.net. 2012052101 3600 1800 604800 3600

;; AUTHORITY SECTION:
savvis.net.		600	IN	NS	ns4.savvis.net.
savvis.net.		600	IN	NS	ns5.savvis.net.
savvis.net.		600	IN	NS	ns6.savvis.net.
savvis.net.		600	IN	NS	ns1.savvis.net.
savvis.net.		600	IN	NS	ns6a.savvis.net.
savvis.net.		600	IN	NS	ns2.savvis.net.
savvis.net.		600	IN	NS	ns3.savvis.net.

;; ADDITIONAL SECTION:
ns1.savvis.net.		600	IN	A	209.16.211.42
ns2.savvis.net.		600	IN	A	204.194.10.206
ns3.savvis.net.		600	IN	A	209.83.162.35
ns4.savvis.net.		600	IN	A	204.70.49.234
ns5.savvis.net.		600	IN	A	204.71.116.25
ns6.savvis.net.		600	IN	A	212.124.226.230
ns6a.savvis.net.	600	IN	A	212.124.226.231

;; Query time: 282 msec
;; SERVER: 209.83.162.35#53(ns3.savvis.net)
;; WHEN: Tue May 22 19:21:37 2012
;; MSG SIZE  rcvd: 307

HTTP

Looking for CNAME of www.savvis.net
Checking if there is a AAAA for www.savvis.net ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.savvis.net aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1558
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.savvis.net.			IN	AAAA

;; AUTHORITY SECTION:
savvis.net.		600	IN	SOA	ns1.savvis.net. dns.savvis.net. 2012052101 3600 1800 604800 3600

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 19:21:38 2012
;; MSG SIZE  rcvd: 76

Checking other options ... failed too.

SMTP

MX 10 cluster9.us.messagelabs.com
Looking for AAAA on cluster9.us.messagelabs.com
MX 10 cluster9a.us.messagelabs.com
Looking for AAAA on cluster9a.us.messagelabs.com

DNS

Looking for AAAA of NS ns4.savvis.net
No AAAA record for ns4.savvis.net
Looking for AAAA of NS ns1.savvis.net
No AAAA record for ns1.savvis.net
Looking for AAAA of NS ns5.savvis.net
No AAAA record for ns5.savvis.net
Looking for AAAA of NS ns2.savvis.net
No AAAA record for ns2.savvis.net
Looking for AAAA of NS ns3.savvis.net
No AAAA record for ns3.savvis.net
Looking for AAAA of NS ns6a.savvis.net
No AAAA record for ns6a.savvis.net
Looking for AAAA of NS ns6.savvis.net
No AAAA record for ns6.savvis.net

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.savvis.net
Looking for a SRV record for _xmpp-server._tcp.savvis.net

Last Updated: Tue May 22 09:51:42 2012 UTC