Check that www.rice.edu 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 rice.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1880
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			174250	IN	NS	b.root-servers.net.
.			174250	IN	NS	g.root-servers.net.
.			174250	IN	NS	f.root-servers.net.
.			174250	IN	NS	i.root-servers.net.
.			174250	IN	NS	j.root-servers.net.
.			174250	IN	NS	k.root-servers.net.
.			174250	IN	NS	a.root-servers.net.
.			174250	IN	NS	m.root-servers.net.
.			174250	IN	NS	e.root-servers.net.
.			174250	IN	NS	d.root-servers.net.
.			174250	IN	NS	l.root-servers.net.
.			174250	IN	NS	c.root-servers.net.
.			174250	IN	NS	h.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	43573	IN	A	198.41.0.4
a.root-servers.net.	43573	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	1837	IN	A	192.228.79.201
c.root-servers.net.	389621	IN	A	192.33.4.12
d.root-servers.net.	347970	IN	A	128.8.10.90
d.root-servers.net.	347970	IN	AAAA	2001:500:2d::d
e.root-servers.net.	603962	IN	A	192.203.230.10
f.root-servers.net.	44444	IN	A	192.5.5.241
f.root-servers.net.	349320	IN	AAAA	2001:500:2f::f
g.root-servers.net.	45108	IN	A	192.112.36.4
h.root-servers.net.	2146	IN	A	128.63.2.53
h.root-servers.net.	2146	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	43680	IN	A	192.36.148.17
i.root-servers.net.	43680	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 01:53:51 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 732
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;rice.edu.			IN	SOA

;; AUTHORITY SECTION:
edu.			172800	IN	NS	a.edu-servers.net.
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	g.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.

;; ADDITIONAL SECTION:
a.edu-servers.net.	172800	IN	A	192.5.6.30
c.edu-servers.net.	172800	IN	A	192.26.92.30
d.edu-servers.net.	172800	IN	A	192.31.80.30
f.edu-servers.net.	172800	IN	A	192.35.51.30
g.edu-servers.net.	172800	IN	A	192.42.93.30
l.edu-servers.net.	172800	IN	A	192.41.162.30
g.edu-servers.net.	172800	IN	AAAA	2001:503:cc2c::2:36

;; Query time: 40 msec
;; SERVER: 2001:7fd::1#53(k.root-servers.net)
;; WHEN: Wed May 23 01:53:51 2012
;; MSG SIZE  rcvd: 261

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 29
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 4, ADDITIONAL: 4

;; QUESTION SECTION:
;rice.edu.			IN	SOA

;; AUTHORITY SECTION:
rice.edu.		172800	IN	NS	ns.purdue.edu.
rice.edu.		172800	IN	NS	ns1.rice.edu.
rice.edu.		172800	IN	NS	ns2.rice.edu.
rice.edu.		172800	IN	NS	dns.dr.rice.edu.

;; ADDITIONAL SECTION:
ns.purdue.edu.		172800	IN	A	128.210.11.5
ns1.rice.edu.		172800	IN	A	128.42.209.32
ns2.rice.edu.		172800	IN	A	128.42.178.32
dns.dr.rice.edu.	172800	IN	A	129.119.99.8

;; Query time: 181 msec
;; SERVER: 192.35.51.30#53(f.edu-servers.net)
;; WHEN: Wed May 23 01:53:51 2012
;; MSG SIZE  rcvd: 171

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 853
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 4, ADDITIONAL: 3

;; QUESTION SECTION:
;rice.edu.			IN	SOA

;; ANSWER SECTION:
rice.edu.		3600	IN	SOA	ns1.rice.edu. hostmaster.rice.edu. 2012041401 10800 900 3600000 3600

;; AUTHORITY SECTION:
rice.edu.		3600	IN	NS	ns2.rice.edu.
rice.edu.		3600	IN	NS	ns.purdue.edu.
rice.edu.		3600	IN	NS	ns1.rice.edu.
rice.edu.		3600	IN	NS	dns.dr.rice.edu.

;; ADDITIONAL SECTION:
dns.dr.rice.edu.	3600	IN	A	129.119.99.8
ns2.rice.edu.		3600	IN	A	128.42.178.32
ns1.rice.edu.		3600	IN	A	128.42.209.32

;; Query time: 277 msec
;; SERVER: 128.210.11.5#53(ns.purdue.edu)
;; WHEN: Wed May 23 01:53:51 2012
;; MSG SIZE  rcvd: 202

HTTP

Looking for CNAME of www.rice.edu
Checking if there is a AAAA for www.rice.edu ... FAILED.


; <<>> DiG 9.4.1-P1 <<>> www.rice.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1676
;; flags: qr rd ra; QUERY: 1, ANSWER: 1, AUTHORITY: 1, ADDITIONAL: 0

;; QUESTION SECTION:
;www.rice.edu.			IN	AAAA

;; ANSWER SECTION:
www.rice.edu.		3599	IN	CNAME	www.netfu.rice.edu.

;; AUTHORITY SECTION:
netfu.rice.edu.		3600	IN	SOA	netscaler2.netfu.rice.edu. hostmaster.rice.edu. 100 3600 3 3600 5

;; Query time: 5 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 01:53:53 2012
;; MSG SIZE  rcvd: 112

Checking other options ... failed too.

SMTP

MX 20 smtp1.mail.rice.edu
Looking for AAAA on smtp1.mail.rice.edu
MX 20 smtp2.mail.rice.edu
Looking for AAAA on smtp2.mail.rice.edu

DNS

Looking for AAAA of NS dns.dr.rice.edu
No AAAA record for dns.dr.rice.edu
Looking for AAAA of NS ns2.rice.edu
No AAAA record for ns2.rice.edu
Looking for AAAA of NS ns.purdue.edu
No AAAA record for ns.purdue.edu
Looking for AAAA of NS ns1.rice.edu
No AAAA record for ns1.rice.edu

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.rice.edu
Looking for a SRV record for _xmpp-server._tcp.rice.edu

Last Updated: Tue May 22 16:23:57 2012 UTC