Check that www.arbornetworks.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 arbornetworks.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 163
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

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

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	459910	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	459910	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	418174	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	160568	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	157122	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	157122	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	415494	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	460781	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	156517	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	461445	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	418483	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	418483	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	460017	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	460017	IN	AAAA	2001:7fe::53

;; Query time: 11 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 06:14:54 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1628
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;arbornetworks.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: Fri May 18 06:14:54 2012
;; MSG SIZE  rcvd: 498

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 201
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 5

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

;; AUTHORITY SECTION:
arbornetworks.com.	172800	IN	NS	ns3-auth.sprintlink.net.
arbornetworks.com.	172800	IN	NS	ns1.arbornetworks.com.
arbornetworks.com.	172800	IN	NS	ns2.arbornetworks.com.
arbornetworks.com.	172800	IN	NS	ns4.arbornetworks.com.
arbornetworks.com.	172800	IN	NS	ns5.arbornetworks.com.

;; ADDITIONAL SECTION:
ns3-auth.sprintlink.net. 172800	IN	A	144.228.255.10
ns1.arbornetworks.com.	172800	IN	A	204.181.64.18
ns2.arbornetworks.com.	172800	IN	A	204.118.128.75
ns4.arbornetworks.com.	172800	IN	A	50.16.207.194
ns5.arbornetworks.com.	172800	IN	A	50.16.207.195

;; Query time: 113 msec
;; SERVER: 192.43.172.30#53(i.gtld-servers.net)
;; WHEN: Fri May 18 06:14:54 2012
;; MSG SIZE  rcvd: 224

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1709
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 4

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

;; ANSWER SECTION:
arbornetworks.com.	3600	IN	SOA	ns1.arbornetworks.com. hostmaster.arbor.net. 2012010613 3600 900 2419200 3600

;; AUTHORITY SECTION:
arbornetworks.com.	3600	IN	NS	ns3-auth.sprintlink.net.
arbornetworks.com.	3600	IN	NS	ns1.arbornetworks.com.
arbornetworks.com.	3600	IN	NS	ns4.arbornetworks.com.
arbornetworks.com.	3600	IN	NS	ns5.arbornetworks.com.
arbornetworks.com.	3600	IN	NS	ns2.arbornetworks.com.

;; ADDITIONAL SECTION:
ns1.arbornetworks.com.	3600	IN	A	204.181.64.18
ns2.arbornetworks.com.	3600	IN	A	204.118.128.75
ns4.arbornetworks.com.	3600	IN	A	50.16.207.194
ns5.arbornetworks.com.	3600	IN	A	50.16.207.195

;; Query time: 239 msec
;; SERVER: 50.16.207.195#53(ns5.arbornetworks.com)
;; WHEN: Fri May 18 06:14:55 2012
;; MSG SIZE  rcvd: 261

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.arbornetworks.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1935
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
arbornetworks.com.	3600	IN	SOA	ns1.arbornetworks.com. hostmaster.arbor.net. 2012010613 3600 900 2419200 3600

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 06:14:57 2012
;; MSG SIZE  rcvd: 99

Checking other options ... failed too.

SMTP

MX 10 mx.usa.net
Looking for AAAA on mx.usa.net

DNS

Looking for AAAA of NS ns2.arbornetworks.com
No AAAA record for ns2.arbornetworks.com
Looking for AAAA of NS ns1.arbornetworks.com
No AAAA record for ns1.arbornetworks.com
Looking for AAAA of NS ns4.arbornetworks.com
No AAAA record for ns4.arbornetworks.com
Looking for AAAA of NS ns3-auth.sprintlink.net
Querying 2600:0:0:0:0:0:0:a3 for SOA of arbornetworks.com over IPv6 ... successful!
Looking for AAAA of NS ns5.arbornetworks.com
No AAAA record for ns5.arbornetworks.com

NTP

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

XMPP

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

Last Updated: Thu May 17 20:45:02 2012 UTC