Check that www.nist.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 nist.gov soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 195
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			250504	IN	NS	g.root-servers.net.
.			250504	IN	NS	l.root-servers.net.
.			250504	IN	NS	j.root-servers.net.
.			250504	IN	NS	b.root-servers.net.
.			250504	IN	NS	a.root-servers.net.
.			250504	IN	NS	k.root-servers.net.
.			250504	IN	NS	h.root-servers.net.
.			250504	IN	NS	f.root-servers.net.
.			250504	IN	NS	i.root-servers.net.
.			250504	IN	NS	e.root-servers.net.
.			250504	IN	NS	d.root-servers.net.
.			250504	IN	NS	c.root-servers.net.
.			250504	IN	NS	m.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	119827	IN	A	198.41.0.4
a.root-servers.net.	119827	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	78091	IN	A	192.228.79.201
c.root-servers.net.	465875	IN	A	192.33.4.12
d.root-servers.net.	424224	IN	A	128.8.10.90
d.root-servers.net.	424224	IN	AAAA	2001:500:2d::d
e.root-servers.net.	75411	IN	A	192.203.230.10
f.root-servers.net.	120698	IN	A	192.5.5.241
f.root-servers.net.	425574	IN	AAAA	2001:500:2f::f
g.root-servers.net.	121362	IN	A	192.112.36.4
h.root-servers.net.	78400	IN	A	128.63.2.53
h.root-servers.net.	78400	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	119934	IN	A	192.36.148.17
i.root-servers.net.	119934	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 04:42:57 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 345
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 3

;; QUESTION SECTION:
;nist.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: 179 msec
;; SERVER: 192.228.79.201#53(b.root-servers.net)
;; WHEN: Tue May 22 04:42:58 2012
;; MSG SIZE  rcvd: 133

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1738
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
nist.gov.		86400	IN	NS	dns-x.boulder.nist.gov.
nist.gov.		86400	IN	NS	gdnsea.nist.gov.

;; ADDITIONAL SECTION:
dns-x.boulder.nist.gov.	86400	IN	A	132.163.4.9
gdnsea.nist.gov.	86400	IN	A	129.6.13.3

;; Query time: 176 msec
;; SERVER: 209.112.123.30#53(b.gov-servers.net)
;; WHEN: Tue May 22 04:42:58 2012
;; MSG SIZE  rcvd: 107

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 315
;; flags: qr aa ra; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 4

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

;; ANSWER SECTION:
nist.gov.		1800	IN	SOA	ggm.nist.gov. hostmaster.nist.gov. 1312838107 10800 1080 2419200 300

;; AUTHORITY SECTION:
nist.gov.		1800	IN	NS	gdnsef.nist.gov.
nist.gov.		1800	IN	NS	dns-x.boulder.nist.gov.
nist.gov.		1800	IN	NS	gdnsea.nist.gov.
nist.gov.		1800	IN	NS	dns-w.boulder.nist.gov.

;; ADDITIONAL SECTION:
gdnsea.nist.gov.	1800	IN	A	129.6.13.3
gdnsef.nist.gov.	1800	IN	A	129.6.13.2
dns-w.boulder.nist.gov.	86400	IN	A	132.163.4.10
dns-x.boulder.nist.gov.	86400	IN	A	132.163.4.9

;; Query time: 268 msec
;; SERVER: 129.6.13.3#53(gdnsea.nist.gov)
;; WHEN: Tue May 22 04:42:59 2012
;; MSG SIZE  rcvd: 231

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.nist.gov aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 641
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

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

;; ANSWER SECTION:
www.nist.gov.		1799	IN	CNAME	nist.gov.

;; AUTHORITY SECTION:
nist.gov.		300	IN	SOA	ggm.nist.gov. hostmaster.nist.gov. 1312838107 10800 1080 2419200 300

;; Query time: 4 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Tue May 22 04:43:00 2012
;; MSG SIZE  rcvd: 95

Checking other options ... failed too.

SMTP

MX 20 spamav1mx.nist.gov
Looking for AAAA on spamav1mx.nist.gov
MX 20 ridley.nist.gov
Looking for AAAA on ridley.nist.gov
MX 20 spamav2mx.nist.gov
Looking for AAAA on spamav2mx.nist.gov
MX 20 boulderspamav1.boulder.nist.gov
Looking for AAAA on boulderspamav1.boulder.nist.gov

DNS

Looking for AAAA of NS gdnsef.nist.gov
No AAAA record for gdnsef.nist.gov
Looking for AAAA of NS gdnsea.nist.gov
No AAAA record for gdnsea.nist.gov
Looking for AAAA of NS dns-x.boulder.nist.gov
No AAAA record for dns-x.boulder.nist.gov
Looking for AAAA of NS dns-w.boulder.nist.gov
No AAAA record for dns-w.boulder.nist.gov

NTP

Looking for an A record for ntp.nist.gov
Looking for an A record for clock.nist.gov
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for clock.nist.gov
Cannot find a AAAA record for clock.ipv6.nist.gov

XMPP

Looking for a SRV record for _xmpp-client._tcp.nist.gov
Looking for a SRV record for _xmpp-server._tcp.nist.gov

Last Updated: Mon May 21 19:13:05 2012 UTC