columbia.edu | DNSViz

columbia.edu

Updated: 2023-10-05 13:11:05 UTC (474 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	585	585	587	587	585	585	585	585	585	585	588	588	588	588	588	588	588	588	585	585	585	585	585	585	585	585
Response time (ms)				OK	64	41	29	31	64	62	41	62	64	40	113	115	92	116	115	113	116	92	31	9	33	9	33	31	9	33

Responses for columbia.edu/DNSKEY

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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	161	96
Response time (ms)				OK	46		63			195		196	112	96	169

Responses for columbia.edu/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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	7/0/4		7/0/4			7/0/4		7/0/4	7/0/1	7/0/5	7/0/5
Response size (bytes)				OK	318		318			318		318	243	368	303
Response time (ms)				OK	13		15			153		159	71	53	131

Responses for columbia.edu/NS

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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	7/0/4		7/0/4			7/0/4		7/0/4	7/0/1	7/0/5	7/0/5
Response size (bytes)				OK	318		318			318		318	243	368	303
Response time (ms)				OK	13		15			153		159	71	53	131

Responses for columbia.edu/MX

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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 mxa-00364e01.gslb.pphosted.com. 10 mxb-00364e01.gslb.pphosted.com.	OK	Y		Y			Y		Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	2/0/1		2/0/1			2/0/1		2/0/1	2/0/1	2/0/1	2/0/1
Response size (bytes)				OK	144		144			144		144	144	181	116
Response time (ms)				OK	90		105			232		239	156	137	222

Responses for columbia.edu/CNAME

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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	161	96
Response time (ms)				OK	124		103			232		256	155	138	208

Responses for columbia.edu/TXT

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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" "rm_verify=cf192bfd71" "wpe-verification=cssrsprod" "ZOOM_verify_H76gKGnfTfSjo0uBs3ATpw" "ZOOM_verify_ZJlClnqsRTqo4L8EQGaPDg" "ZOOM_verify__tMWR0IkQ5mSUFNi7PT0-A" "ZOOM_verify_aIBp_UI9RA-_nAc54T9CiA" "ZOOM_verify_ohdpGstzTlO2gNsWqnSiHQ" "ca3-018df5b7d38b415fbe9c920d89e3e815" "ca3-154a83c0e9b44fa094af06b7a8c9f489" "apple-domain-verification=6W1ObUreaMieGziS" "docusign=abbafadf-a495-4889-935f-5fdac37be903" "docusign=f8b82e15-b287-46b9-9729-a7436d71c422" "fastly-domain-delegation-columbia-323594-2020-12-07" "fastly-domain-delegation-UzZdOKwpsuzDObCLhWK0-12292020" "openai-domain-verification=dv-WTaLcizSYFHPNYsn8NEO7s4c" "google-site-verification=79W02b1NsvPOhVkXxG5gXzAXuxuYquPTXmx_l6KfRok" "google-site-verification=B93x40FIZF4LI-5cayepjvuwU8ZodIQ09zIDG1gHtIc" "intersight=f68fd98601fae5dcfd60cd38f9df964367f5e3ebe94f0cc148eec13f7e11d7e6" "adobe-idp-site-verification=c4c82a5f2bf3cc3ee4ad2ee246c28e17ead150faf152556bc9ca5c068762b827" "atlassian-domain-verification=TGY4izz2FIXsrTR48IJgpJMfixggF0xpHJ4TC91Ii5DqZYvIR3zflZ1zbdDNI3NN" "v=spf1 ip4:128.59.72.0/24 ip4:207.10.139.0/24 ip4:148.163.139.74 ip4:148.163.135.74 include:_spf.google.com include:spf-00364e02.pphosted.com include:spf.protection.outlook.com ~all"	OK	Y		Y			Y		Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	23/7/4		23/7/4			23/7/4		23/7/4	23/0/1	23/7/5	23/0/1
Response size (bytes)				OK	1801		1801			1801		1801	1552	1851	1524
Response time (ms)				OK	51		51			305		312	154	116	175

Responses for columbia.edu/SOA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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. 79704 3600 1800 2419200 300	OK	Y		Y			Y		Y	Y	Y	Y
RR count (Answer/Authority/Additional)				OK	1/7/4		1/7/4			1/7/4		1/7/4	1/0/1	1/7/5	1/0/4
Response size (bytes)				OK	365		365			365		365	124	415	168
Response time (ms)				OK	76		45			196		213	112	97	170

Responses for columbia.edu/NSEC3PARAM

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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	161	96
Response time (ms)				OK	77		63			192		192	111	93	161

Responses for columbia.edu/AAAA

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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	161	96
Response time (ms)				OK	52		41			178		191	92	76	147

Responses for columbia.edu/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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	1/7/4		1/7/4			1/7/4		1/7/4	1/0/1	1/7/5	1/0/1
Response size (bytes)				OK	334		334			334		334	85	384	57
Response time (ms)				OK	41		19			162		155	71	53	131

Responses for w8hm1vec4j.columbia.edu/A

Name	TTL	Type	Data	Status	Returned by
Name	TTL	Type	Data	Status	auth1.dns.cogentco.com. (66.28.0.14)	auth1.dns.cogentco.com. (2001:550:1:a::d)	auth2.dns.cogentco.com. (66.28.0.30)	auth2.dns.cogentco.com. (2001:550:1:b::d)	auth4.dns.cogentco.com. (2001:978:1:a::d)	auth4.dns.cogentco.com. (80.245.32.74)	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	172	119
Response time (ms)				OK	46		63			193		195	111	94	170