Check that www.bc.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 bc.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1723
;; flags: qr ra; QUERY: 1, ANSWER: 0, AUTHORITY: 13, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

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

;; ADDITIONAL SECTION:
A.ROOT-SERVERS.NET.	480224	IN	A	198.41.0.4
A.ROOT-SERVERS.NET.	480224	IN	AAAA	2001:503:ba3e::2:30
B.ROOT-SERVERS.NET.	438488	IN	A	192.228.79.201
C.ROOT-SERVERS.NET.	180882	IN	A	192.33.4.12
D.ROOT-SERVERS.NET.	177436	IN	A	128.8.10.90
D.ROOT-SERVERS.NET.	177436	IN	AAAA	2001:500:2d::d
E.ROOT-SERVERS.NET.	435808	IN	A	192.203.230.10
F.ROOT-SERVERS.NET.	481095	IN	A	192.5.5.241
F.ROOT-SERVERS.NET.	176831	IN	AAAA	2001:500:2f::f
G.ROOT-SERVERS.NET.	481759	IN	A	192.112.36.4
H.ROOT-SERVERS.NET.	438797	IN	A	128.63.2.53
H.ROOT-SERVERS.NET.	438797	IN	AAAA	2001:500:1::803f:235
I.ROOT-SERVERS.NET.	480331	IN	A	192.36.148.17
I.ROOT-SERVERS.NET.	480331	IN	AAAA	2001:7fe::53

;; Query time: 7 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 00:36:20 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 68
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

;; QUESTION SECTION:
;bc.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	g.edu-servers.net.
edu.			172800	IN	NS	f.edu-servers.net.
edu.			172800	IN	NS	l.edu-servers.net.
edu.			172800	IN	NS	d.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
g.edu-servers.net.	172800	IN	AAAA	2001:503:cc2c::2:36
l.edu-servers.net.	172800	IN	A	192.41.162.30

;; Query time: 134 msec
;; SERVER: 2001:503:c27::2:30#53(J.ROOT-SERVERS.NET)
;; WHEN: Fri May 18 00:36:20 2012
;; MSG SIZE  rcvd: 259

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1221
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 2, ADDITIONAL: 2

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

;; AUTHORITY SECTION:
bc.edu.			172800	IN	NS	rocky.bc.edu.
bc.edu.			172800	IN	NS	gidney.bc.edu.

;; ADDITIONAL SECTION:
rocky.bc.edu.		172800	IN	A	136.167.2.253
gidney.bc.edu.		172800	IN	A	136.167.2.73

;; Query time: 246 msec
;; SERVER: 192.5.6.30#53(a.edu-servers.net)
;; WHEN: Fri May 18 00:36:21 2012
;; MSG SIZE  rcvd: 97

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 348
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 0, ADDITIONAL: 0

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

;; ANSWER SECTION:
bc.edu.			3600	IN	SOA	rocky.bc.edu. sysprogs.listserv.bc.edu. 286414260 300 600 604800 7200

;; Query time: 264 msec
;; SERVER: 136.167.2.73#53(gidney.bc.edu)
;; WHEN: Fri May 18 00:36:22 2012
;; MSG SIZE  rcvd: 84

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.bc.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1850
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
bc.edu.			3600	IN	SOA	rocky.bc.edu. sysprogs.listserv.bc.edu. 286414260 300 600 604800 7200

;; Query time: 6 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Fri May 18 00:36:23 2012
;; MSG SIZE  rcvd: 88

Checking other options ... succeeded as www6.bc.edu.
Sending...

HEAD / HTTP/1.1
Host: www6.bc.edu
User-Agent: ipv6-survey.pl/1.97 http://www.mrp.net/IPv6_Survey.html

Reading ...

HTTP/1.1 200 OK
Date: Thu, 17 May 2012 15:06:29 GMT
Server: Apache/2.2.15 (Red Hat)
Last-Modified: Fri, 30 Mar 2012 20:04:09 GMT
ETag: "a02de-4d4-4bc7b57f9012d"
Accept-Ranges: bytes
Content-Length: 1236
Connection: close
Content-Type: text/html; charset=UTF-8

Accessed / [2606:c900:f100:0:0:0:0:100] Response: HTTP/1.1 200 OK

SMTP

MX 10 purgatory.bc.edu
Looking for AAAA on purgatory.bc.edu

DNS

Looking for AAAA of NS gidney.bc.edu
No AAAA record for gidney.bc.edu
Looking for AAAA of NS rocky.bc.edu
No AAAA record for rocky.bc.edu

NTP

Looking for an A record for ntp.bc.edu
Looking for an A record for clock.bc.edu
Looking for an A record for time.bc.edu
Looking for an A record for chime.bc.edu
Found an A or AAAA record. Now looking for a AAAA.
Cannot find a AAAA record for chime.bc.edu
Cannot find a AAAA record for chime.ipv6.bc.edu

XMPP

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

Last Updated: Thu May 17 15:06:31 2012 UTC