Check that www.uchicago.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 uchicago.edu soa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1704
;; flags: qr ra; QUERY: 1, ANSWER: 13, AUTHORITY: 0, ADDITIONAL: 14

;; QUESTION SECTION:
;.				IN	NS

;; ANSWER SECTION:
.			170985	IN	NS	e.root-servers.net.
.			170985	IN	NS	l.root-servers.net.
.			170985	IN	NS	b.root-servers.net.
.			170985	IN	NS	a.root-servers.net.
.			170985	IN	NS	k.root-servers.net.
.			170985	IN	NS	c.root-servers.net.
.			170985	IN	NS	j.root-servers.net.
.			170985	IN	NS	i.root-servers.net.
.			170985	IN	NS	d.root-servers.net.
.			170985	IN	NS	h.root-servers.net.
.			170985	IN	NS	g.root-servers.net.
.			170985	IN	NS	m.root-servers.net.
.			170985	IN	NS	f.root-servers.net.

;; ADDITIONAL SECTION:
a.root-servers.net.	40308	IN	A	198.41.0.4
a.root-servers.net.	40308	IN	AAAA	2001:503:ba3e::2:30
b.root-servers.net.	516973	IN	A	192.228.79.201
c.root-servers.net.	386356	IN	A	192.33.4.12
d.root-servers.net.	344705	IN	A	128.8.10.90
d.root-servers.net.	344705	IN	AAAA	2001:500:2d::d
e.root-servers.net.	516973	IN	A	192.203.230.10
f.root-servers.net.	41179	IN	A	192.5.5.241
f.root-servers.net.	346055	IN	AAAA	2001:500:2f::f
g.root-servers.net.	41843	IN	A	192.112.36.4
h.root-servers.net.	603694	IN	A	128.63.2.53
h.root-servers.net.	603694	IN	AAAA	2001:500:1::803f:235
i.root-servers.net.	40415	IN	A	192.36.148.17
i.root-servers.net.	40415	IN	AAAA	2001:7fe::53

;; Query time: 15 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:48:16 2012
;; MSG SIZE  rcvd: 512

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1513
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 6, ADDITIONAL: 7

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

;; AUTHORITY SECTION:
edu.			172800	IN	NS	c.edu-servers.net.
edu.			172800	IN	NS	d.edu-servers.net.
edu.			172800	IN	NS	a.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
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: 39 msec
;; SERVER: 2001:7fe::53#53(i.root-servers.net)
;; WHEN: Wed May 23 02:48:16 2012
;; MSG SIZE  rcvd: 265

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1723
;; flags: qr; QUERY: 1, ANSWER: 0, AUTHORITY: 3, ADDITIONAL: 3

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

;; AUTHORITY SECTION:
uchicago.edu.		172800	IN	NS	ucns1.uchicago.edu.
uchicago.edu.		172800	IN	NS	ucns2.uchicago.edu.
uchicago.edu.		172800	IN	NS	ucns.yale.edu.

;; ADDITIONAL SECTION:
ucns1.uchicago.edu.	172800	IN	A	128.135.247.60
ucns2.uchicago.edu.	172800	IN	A	128.135.249.60
ucns.yale.edu.		172800	IN	A	130.132.21.135

;; Query time: 259 msec
;; SERVER: 192.26.92.30#53(c.edu-servers.net)
;; WHEN: Wed May 23 02:48:16 2012
;; MSG SIZE  rcvd: 142

;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1607
;; flags: qr aa; QUERY: 1, ANSWER: 1, AUTHORITY: 3, ADDITIONAL: 2

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

;; ANSWER SECTION:
uchicago.edu.		172800	IN	SOA	ucns0.uchicago.edu. hostmaster.uchicago.edu. 2090548379 7200 3600 2592000 172800

;; AUTHORITY SECTION:
uchicago.edu.		172800	IN	NS	ucns.yale.edu.
uchicago.edu.		172800	IN	NS	ucns2.uchicago.edu.
uchicago.edu.		172800	IN	NS	ucns1.uchicago.edu.

;; ADDITIONAL SECTION:
ucns1.uchicago.edu.	172800	IN	A	128.135.247.60
ucns2.uchicago.edu.	172800	IN	A	128.135.249.60

;; Query time: 255 msec
;; SERVER: 128.135.247.60#53(ucns1.uchicago.edu)
;; WHEN: Wed May 23 02:48:17 2012
;; MSG SIZE  rcvd: 179

HTTP

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


; <<>> DiG 9.4.1-P1 <<>> www.uchicago.edu aaaa
;; global options:  printcmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: NOERROR, id: 1299
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 1, ADDITIONAL: 0

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

;; AUTHORITY SECTION:
uchicago.edu.		10800	IN	SOA	ucns0.uchicago.edu. hostmaster.uchicago.edu. 2090548379 7200 3600 2592000 172800

;; Query time: 8 msec
;; SERVER: 127.0.0.1#53(127.0.0.1)
;; WHEN: Wed May 23 02:48:18 2012
;; MSG SIZE  rcvd: 87

Checking other options ... succeeded as www.ipv6.uchicago.edu.
Connection failed: IO::Socket::INET6: connect: No route to host

Ping to www.ipv6.uchicago.edu [2001:470:1f10:22f:0:0:0:2]

no answer from 2001:470:1f10:22f:0:0:0:2

Traceroute to www.ipv6.uchicago.edu [2001:470:1f10:22f:0:0:0:2]

 1  2001:44b8:60::1  0.699 ms  0.619 ms  0.435 ms
 2  2001:44b8:8060:1d::6  2.258 ms  0.971 ms  0.644 ms
 3  2001:44b8:8060:34::1  0.806 ms  0.814 ms  0.651 ms
 4  2001:44b8:b060:7::2  20.310 ms  20.236 ms  20.010 ms
 5  2001:44b8:b060:1::22  175.471 ms  175.507 ms  175.526 ms
 6  2001:504:0:3::6939:1  175.800 ms  175.699 ms  175.879 ms
 7  2001:470:0:72::2  180.950 ms  175.668 ms  175.582 ms
 8  2001:470:0:15d::1  203.977 ms  200.863 ms  200.625 ms
 9  2001:470:0:1af::1  224.760 ms  224.765 ms  225.063 ms
10  2001:470:20::2  229.077 ms  228.055 ms  228.170 ms
11  2001:470:20::2  227.548 ms !A  228.123 ms !A  227.623 ms !A

SMTP

MX 10 mx01.uchicago.edu
Looking for AAAA on mx01.uchicago.edu
MX 10 mx02.uchicago.edu
Looking for AAAA on mx02.uchicago.edu

DNS

Looking for AAAA of NS ucns2.uchicago.edu
No AAAA record for ucns2.uchicago.edu
Looking for AAAA of NS ucns1.uchicago.edu
No AAAA record for ucns1.uchicago.edu
Looking for AAAA of NS ucns.yale.edu
No AAAA record for ucns.yale.edu

NTP

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

XMPP

Looking for a SRV record for _xmpp-client._tcp.uchicago.edu
Found XMPP client im.uchicago.edu (5, 5222)
Trying to connect to 128.135.107.82 on 5222 ... Connection succeeded
Looking for a SRV record for _xmpp-server._tcp.uchicago.edu
Found XMPP server im.uchicago.edu (5, 5269)
Trying to connect to 128.135.107.82 on 5269 ... Connection succeeded

Last Updated: Tue May 22 17:22:12 2012 UTC