columbia.edu | DNSViz

columbia.edu

Updated: 2020-03-27 12:10:36 UTC (1501 days ago) Go to most recent »

DNS Server Responses

Responses for columbia.edu/DS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	a.edu-servers.net. (192.5.6.30)	a.edu-servers.net. (2001:503:a83e::2:30)	b.edu-servers.net. (192.33.14.30)	b.edu-servers.net. (2001:503:231d::2:30)	c.edu-servers.net. (192.26.92.30)	c.edu-servers.net. (2001:503:83eb::30)	d.edu-servers.net. (192.31.80.30)	d.edu-servers.net. (2001:500:856e::30)	e.edu-servers.net. (192.12.94.30)	e.edu-servers.net. (2001:502:1ca1::30)	f.edu-servers.net. (192.35.51.30)	f.edu-servers.net. (2001:503:d414::30)	g.edu-servers.net. (192.42.93.30)	g.edu-servers.net. (2001:503:eea3::30)	h.edu-servers.net. (192.54.112.30)	h.edu-servers.net. (2001:502:8cc::30)	i.edu-servers.net. (192.43.172.30)	i.edu-servers.net. (2001:503:39c1::30)	j.edu-servers.net. (192.48.79.30)	j.edu-servers.net. (2001:502:7094::30)	k.edu-servers.net. (192.52.178.30)	k.edu-servers.net. (2001:503:d2d::30)	l.edu-servers.net. (192.41.162.30)	l.edu-servers.net. (2001:500:d937::30)	m.edu-servers.net. (192.55.83.30)	m.edu-servers.net. (2001:501:b1f9::30)
RR count (Answer/Authority/Additional)				OK	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1	0/6/1
Response size (bytes)				OK	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860	860
Response time (ms)				OK	176	178	7	8	177	176	178	176	86	86	78	86	86	86	16	15	15	12	16	15	177	178	177	175	178	176

Responses for columbia.edu/DNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1			0/1/1	0/1/1	0/1/1	0/0/1
Response size (bytes)				OK		124	124		124			124	124	96	53
Response time (ms)				OK		160	53		272			273	161	161	273

Responses for columbia.edu/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	NS	ns1.lse.ac.uk. dns2.itd.umich.edu. auth1.dns.cogentco.com. auth2.dns.cogentco.com. auth4.dns.cogentco.com. auth5.dns.cogentco.com. ext-ns1.columbia.edu.	OK		Y	Y		Y			Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK		7/0/12	7/0/12		7/0/12			7/0/12	7/0/1	7/0/5	7/0/5
Response size (bytes)				OK		491	491		491			491	243	303	303
Response time (ms)				OK		78	36		149			163	72	57	134

Responses for columbia.edu/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	NS	ns1.lse.ac.uk. dns2.itd.umich.edu. auth1.dns.cogentco.com. auth2.dns.cogentco.com. auth4.dns.cogentco.com. auth5.dns.cogentco.com. ext-ns1.columbia.edu.	OK		Y	Y		Y			Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK		7/0/12	7/0/12		7/0/12			7/0/12	7/0/1	7/0/5	7/0/5
Response size (bytes)				OK		491	491		491			491	243	303	303
Response time (ms)				OK		78	36		149			163	72	57	134

Responses for columbia.edu/MX

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	MX	10 mail-in.cc.l.columbia.edu.	OK		Y	Y		Y			Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK		1/0/1	1/0/1		1/0/1			1/0/1	1/0/1	1/0/1	0/0/1
Response size (bytes)				OK		98	98		98			98	98	70	53
Response time (ms)				OK		115	61		217			218	116	116	217

Responses for columbia.edu/CNAME

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1			0/1/1	0/1/1	0/1/1	0/1/1
Response size (bytes)				OK		124	124		124			124	124	96	96
Response time (ms)				OK		114	57		212			216	114	114	137

Responses for columbia.edu/TXT

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	TXT	"MS=ms32107722" "MS=ms88535648" "docusign=abbafadf-a495-4889-935f-5fdac37be903" "docusign=f8b82e15-b287-46b9-9729-a7436d71c422" "google-site-verification=79W02b1NsvPOhVkXxG5gXzAXuxuYquPTXmx_l6KfRok" "google-site-verification=B93x40FIZF4LI-5cayepjvuwU8ZodIQ09zIDG1gHtIc" "adobe-idp-site-verification=c4c82a5f2bf3cc3ee4ad2ee246c28e17ead150faf152556bc9ca5c068762b827" "v=spf1 ip4:128.59.72.0/24 ip4:207.10.139.0/24 ip4:128.59.213.250 ip4:192.5.43.19 ip4:148.163.139.74 ip4:148.163.135.74 ~all"	OK		Y	Y		Y			Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK		8/7/12	8/7/12		8/7/12			8/7/12	8/0/1	8/7/5	8/0/1
Response size (bytes)				OK		1062	1062		1062			1062	640	874	612
Response time (ms)				OK		116	67		218			228	131	116	140

Responses for columbia.edu/SOA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	SOA	ext-ns1.columbia.edu. hostmaster.columbia.edu. 60301 3600 1800 2419200 300	OK		Y	Y		Y			Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK		1/7/12	1/7/12		1/7/12			1/7/12	1/0/1	1/7/5	1/0/4
Response size (bytes)				OK		538	538		538			538	124	350	168
Response time (ms)				OK		162	40		274			283	170	170	133

Responses for columbia.edu/AAAA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1			0/1/1	0/1/1	0/1/1	0/1/1
Response size (bytes)				OK		124	124		124			124	124	96	96
Response time (ms)				OK		179	86		288			290	179	179	146

Responses for columbia.edu/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
columbia.edu	3600	A	128.59.105.24	OK		Y	Y		Y			Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK		1/7/12	1/7/12		1/7/12			1/7/12	1/0/1	1/7/5	1/0/1
Response size (bytes)				OK		507	507		507			507	85	319	57
Response time (ms)				OK		77	37		150			160	72	54	133

Responses for 3s2p9tj7l0.columbia.edu/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth1.dns.cogentco.com. (66.28.0.14)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (80.245.32.74)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth5.dns.cogentco.com. (2001:978:1:b::d)	auth5.dns.cogentco.com. (80.91.64.50)	ext-ns1.columbia.edu. (128.59.1.1)	dns2.itd.umich.edu. (192.12.80.222)	ns1.lse.ac.uk. (158.143.96.8)
RR count (Answer/Authority/Additional)				OK		0/1/1	0/1/1		0/1/1			0/1/1	0/1/1	0/1/1	0/1/1
Response size (bytes)				OK		135	135		135			135	135	107	119
Response time (ms)				OK		157	41		263			272	159	158	145