Check that www.level3.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 level3.com soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1139
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			282530	IN	NS	m.root-servers.net.
.			282530	IN	NS	k.root-servers.net.
.			282530	IN	NS	b.root-servers.net.
.			282530	IN	NS	e.root-servers.net.
.			282530	IN	NS	i.root-servers.net.
.			282530	IN	NS	f.root-servers.net.
.			282530	IN	NS	l.root-servers.net.
.			282530	IN	NS	j.root-servers.net.
.			282530	IN	NS	g.root-servers.net.
.			282530	IN	NS	h.root-servers.net.
.			282530	IN	NS	c.root-servers.net.
.			282530	IN	NS	a.root-servers.net.
.			282530	IN	NS	d.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	151853	IN	A	198.41.0.4
a.root-servers.net.	151853	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	110117	IN	A	192.228.79.201
c.root-servers.net.	497901	IN	A	192.33.4.12
d.root-servers.net.	456250	IN	A	128.8.10.90
d.root-servers.net.	456250	IN	AAAA	2001:500:2d::d
e.root-servers.net.	107437	IN	A	192.203.230.10
f.root-servers.net.	152724	IN	A	192.5.5.241
f.root-servers.net.	457600	IN	AAAA	2001:500:2f::f
g.root-servers.net.	153388	IN	A	192.112.36.4
h.root-servers.net.	110426	IN	A	128.63.2.53
h.root-servers.net.	110426	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	151960	IN	A	192.36.148.17
i.root-servers.net.	151960	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 19:49:11 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1079
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;level3.com.			IN	SOA

;; AUTHORITY SECTION:
com.			172800	IN	NS	k.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	c.gtld-servers.net.
com.			172800	IN	NS	f.gtld-servers.net.
com.			172800	IN	NS	j.gtld-servers.net.
com.			172800	IN	NS	a.gtld-servers.net.
com.			172800	IN	NS	i.gtld-servers.net.
com.			172800	IN	NS	d.gtld-servers.net.
com.			172800	IN	NS	m.gtld-servers.net.
com.			172800	IN	NS	e.gtld-servers.net.
com.			172800	IN	NS	h.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: 36 msec
;; SERVER: 2001:7fe::53#53(i.root-servers.net)
;; WHEN: Mon May 21 19:49:11 2012
;; MSG SIZE  rcvd: 500

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 752
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

;; QUESTION SECTION:
;level3.com.			IN	SOA

;; AUTHORITY SECTION:
level3.com.		172800	IN	NS	ns1.l3.net.
level3.com.		172800	IN	NS	ns2.l3.net.

;; ADDITIONAL SECTION:
ns1.l3.net.		172800	IN	A	209.244.0.1
ns2.l3.net.		172800	IN	A	209.244.0.2

;; Query time: 132 msec
;; SERVER: 2001:503:a83e::2:30#53(a.gtld-servers.net)
;; WHEN: Mon May 21 19:49:11 2012
;; MSG SIZE  rcvd: 102

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 270
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

;; QUESTION SECTION:
;level3.com.			IN	SOA

;; ANSWER SECTION:
level3.com.		3600	IN	SOA	ns2.Level3.net. dns.Level3.net. 2012051700 7200 600 2592000 3600

;; Query time: 178 msec
;; SERVER: 209.244.0.1#53(ns1.l3.net)
;; WHEN: Mon May 21 19:49:12 2012
;; MSG SIZE  rcvd: 82

HTTP

Looking for CNAME of www.level3.com
Checking if there is a AAAA for www.level3.com ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.level3.com aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1931
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.level3.com.			IN	AAAA

;; AUTHORITY SECTION:
level3.com.		3546	IN	SOA	ns2.Level3.net. dns.Level3.net. 2012051700 7200 600 2592000 3600

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 19:49:12 2012
;; MSG SIZE  rcvd: 86

Checking other options ... succeeded as ipv6.level3.com.
Sending...

HEAD / HTTP/1.1
Host: ipv6.level3.com
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 200 OK
Cache-Control: no-cache, no-store
Pragma: no-cache
Content-Length: 44628
Content-Type: text/html; charset=utf-8
Expires: -1
Server: Microsoft-IIS/7.5
Set-Cookie: website#sc_wede=1; path=/
Set-Cookie: ASP.NET_SessionId=guimiy45doavclqtrmq04yew; path=/; HttpOnly
X-AspNet-Version: 2.0.50727
X-Powered-By: ASP.NET
Date: Mon, 21 May 2012 10:19:13 GMT

Accessed / [2001:1900:2018:3000:0:0:0:105] Response: HTTP/1.1 200 OK

SMTP

MX 100 level3.com.s6a1.psmtp.com
Looking for AAAA on level3.com.s6a1.psmtp.com
MX 100 level3.com.s6a2.psmtp.com
Looking for AAAA on level3.com.s6a2.psmtp.com
MX 100 level3.com.s6b1.psmtp.com
Looking for AAAA on level3.com.s6b1.psmtp.com
MX 100 level3.com.s6b2.psmtp.com
Looking for AAAA on level3.com.s6b2.psmtp.com

DNS

Looking for AAAA of NS ns1.Level3.net
No AAAA record for ns1.Level3.net
Looking for AAAA of NS ns2.Level3.net
No AAAA record for ns2.Level3.net

NTP

Looking for an A record for ntp.level3.com
Looking for an A record for clock.level3.com
Looking for an A record for time.level3.com
Looking for an A record for chime.level3.com

XMPP

Looking for a SRV record for _xmpp-client._tcp.level3.com
Looking for a SRV record for _xmpp-server._tcp.level3.com

Last Updated: Mon May 21 10:19:16 2012 UTC