columbia.edu | DNSViz

columbia.edu

Updated: 2023-09-22 15:32:25 UTC (426 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	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585	585
Response time (ms)				OK	106	85	201	8	85	106	86	104	106	85	37	38	18	18	37	35	18	39	27	11	11	11	11	29	12	9

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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	54		201		201		116	99	177

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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		18	13		154		158		72	53	131

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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		18	13		154		158		72	53	131

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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		109	88		230		231		155	131	215

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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		107	88		250		250		155	132	198

Responses for pafgeurx32.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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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		109	88		250		251		155	131	213

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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" "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		22/7/4	22/7/4		22/7/4		22/7/4		22/0/1	22/7/5	22/0/1
Response size (bytes)				OK		1734	1734		1734		1734		1485	1784	1457
Response time (ms)				OK		39	39		320		312		160	109	192

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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. 79447 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		377	377		377		377		124	427	168
Response time (ms)				OK		79	54		221		224		117	99	176

Responses for columbia.edu/NSEC3PARAM

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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		74	54		191		219		116	95	176

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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	54		199		200		116	99	176

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. (80.91.64.50)	auth5.dns.cogentco.com. (2001:978:1:b::d)	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		92	14		157		161		71	53	130