Check that www.lbl.gov 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 lbl.gov soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 750
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			337235	IN	NS	i.root-servers.net.
.			337235	IN	NS	c.root-servers.net.
.			337235	IN	NS	f.root-servers.net.
.			337235	IN	NS	b.root-servers.net.
.			337235	IN	NS	j.root-servers.net.
.			337235	IN	NS	a.root-servers.net.
.			337235	IN	NS	h.root-servers.net.
.			337235	IN	NS	e.root-servers.net.
.			337235	IN	NS	d.root-servers.net.
.			337235	IN	NS	k.root-servers.net.
.			337235	IN	NS	l.root-servers.net.
.			337235	IN	NS	m.root-servers.net.
.			337235	IN	NS	g.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	206558	IN	A	198.41.0.4
a.root-servers.net.	206558	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	164822	IN	A	192.228.79.201
c.root-servers.net.	552606	IN	A	192.33.4.12
d.root-servers.net.	510955	IN	A	128.8.10.90
d.root-servers.net.	510955	IN	AAAA	2001:500:2d::d
e.root-servers.net.	162142	IN	A	192.203.230.10
f.root-servers.net.	207429	IN	A	192.5.5.241
f.root-servers.net.	512305	IN	AAAA	2001:500:2f::f
g.root-servers.net.	208093	IN	A	192.112.36.4
h.root-servers.net.	165131	IN	A	128.63.2.53
h.root-servers.net.	165131	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	206665	IN	A	192.36.148.17
i.root-servers.net.	206665	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 04:37:26 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 2037
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 3

;; QUESTION SECTION:
;lbl.gov.			IN	SOA

;; AUTHORITY SECTION:
gov.			172800	IN	NS	b.gov-servers.net.
gov.			172800	IN	NS	a.gov-servers.net.

;; ADDITIONAL SECTION:
a.gov-servers.net.	172800	IN	A	69.36.157.30
b.gov-servers.net.	172800	IN	A	209.112.123.30
a.gov-servers.net.	172800	IN	AAAA	2001:500:4431::2:30

;; Query time: 42 msec
;; SERVER: 2001:500:2f::f#53(f.root-servers.net)
;; WHEN: Mon May 21 04:37:26 2012
;; MSG SIZE  rcvd: 132

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1995
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 5, ADDITIONAL: 2

;; QUESTION SECTION:
;lbl.gov.			IN	SOA

;; AUTHORITY SECTION:
lbl.gov.		86400	IN	NS	ns1.es.net.
lbl.gov.		86400	IN	NS	nsd.lbl.gov.
lbl.gov.		86400	IN	NS	nsx.lbl.gov.
lbl.gov.		86400	IN	NS	ns-aoa.es.net.
lbl.gov.		86400	IN	NS	ns-lvk.es.net.

;; ADDITIONAL SECTION:
nsd.lbl.gov.		86400	IN	A	198.129.89.64
nsx.lbl.gov.		86400	IN	A	131.243.64.3

;; Query time: 177 msec
;; SERVER: 209.112.123.30#53(b.gov-servers.net)
;; WHEN: Mon May 21 04:37:27 2012
;; MSG SIZE  rcvd: 159

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 904
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 5, ADDITIONAL: 9

;; QUESTION SECTION:
;lbl.gov.			IN	SOA

;; ANSWER SECTION:
lbl.gov.		43200	IN	SOA	nsx.lbl.gov. hostmaster.nsx.lbl.gov. 2012051107 14400 1800 2419200 300

;; AUTHORITY SECTION:
lbl.gov.		43200	IN	NS	ns-aoa.es.net.
lbl.gov.		43200	IN	NS	ns1.es.net.
lbl.gov.		43200	IN	NS	nsx.lbl.gov.
lbl.gov.		43200	IN	NS	nsd.lbl.gov.
lbl.gov.		43200	IN	NS	ns-lvk.es.net.

;; ADDITIONAL SECTION:
ns1.es.net.		172800	IN	A	198.128.2.10
ns1.es.net.		172800	IN	AAAA	2001:400:14:2::10
nsd.lbl.gov.		43200	IN	A	198.129.89.64
nsx.lbl.gov.		43200	IN	A	131.243.64.3
nsx.lbl.gov.		43200	IN	AAAA	2620:83:8000:140::3
ns-aoa.es.net.		172800	IN	A	198.124.252.22
ns-aoa.es.net.		172800	IN	AAAA	2001:400:6000::22
ns-lvk.es.net.		172800	IN	A	198.129.252.34
ns-lvk.es.net.		172800	IN	AAAA	2001:400:910:1::2

;; Query time: 228 msec
;; SERVER: 2001:400:14:2::10#53(ns1.es.net)
;; WHEN: Mon May 21 04:37:27 2012
;; MSG SIZE  rcvd: 366

HTTP

Looking for CNAME of www.lbl.gov
Checking if there is a AAAA for www.lbl.gov ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.lbl.gov aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1268
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.lbl.gov.			IN	AAAA

;; AUTHORITY SECTION:
lbl.gov.		300	IN	SOA	nsx.lbl.gov. hostmaster.nsx.lbl.gov. 2012051107 14400 1800 2419200 300

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Mon May 21 04:37:28 2012
;; MSG SIZE  rcvd: 80

Checking other options ... failed too.

SMTP

MX 10 mailgate.lbl.gov
Looking for AAAA on mailgate.lbl.gov
MX 10 mailgatedr.lbl.gov
Looking for AAAA on mailgatedr.lbl.gov
MX 10 lbl.gov
Looking for AAAA on lbl.gov

DNS

Looking for AAAA of NS ns-lvk.es.net
Querying 2001:400:910:1:0:0:0:2 for SOA of lbl.gov over IPv6 ... successful!
Looking for AAAA of NS nsd.lbl.gov
No AAAA record for nsd.lbl.gov
Looking for AAAA of NS nsx.lbl.gov
Querying 2620:83:8000:140:0:0:0:3 for SOA of lbl.gov over IPv6 ... successful!
Looking for AAAA of NS ns-aoa.es.net
Querying 2001:400:6000:0:0:0:0:22 for SOA of lbl.gov over IPv6 ... successful!
Looking for AAAA of NS ns1.es.net
Querying 2001:400:14:2:0:0:0:10 for SOA of lbl.gov over IPv6 ... successful!

NTP

Looking for an A record for ntp.lbl.gov
Looking for an A record for clock.lbl.gov
Looking for an A record for time.lbl.gov
Looking for an A record for chime.lbl.gov

XMPP

Looking for a SRV record for _xmpp-client._tcp.lbl.gov
Looking for a SRV record for _xmpp-server._tcp.lbl.gov
Found XMPP server xmpp-server.l.google.com (5, 5269)
Trying to connect to 74.125.31.125 on 5269 ... Connection succeeded
Found XMPP server xmpp-server1.l.google.com (20, 5269)
Trying to connect to 209.85.225.125 on 5269 ... Connection succeeded
Found XMPP server xmpp-server2.l.google.com (20, 5269)
Trying to connect to 74.125.45.125 on 5269 ... Connection succeeded
Found XMPP server xmpp-server3.l.google.com (20, 5269)
Trying to connect to 173.194.73.125 on 5269 ... Connection succeeded
Found XMPP server xmpp-server4.l.google.com (20, 5269)
Trying to connect to 74.125.132.125 on 5269 ... Connection succeeded

Last Updated: Sun May 20 19:07:36 2012 UTC