columbia.edu
Updated:
2023-10-05 13:11:05 UTC (196 days ago)
Update now
DNS Server Responses
Responses for columbia.edu/DS
| Name | TTL | Type | Data | Status | Returned by | |||||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 7/0/4 | 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 7/0/4 | 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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"
"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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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. 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 1/7/4 | 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 | ||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 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 | 172 | 119 | |||||||
| Response time (ms) | OK | 46 | 63 | 193 | 195 | 111 | 94 | 170 | |||||||
