columbia.edu
Updated:
2023-01-26 00:39:59 UTC (455 days ago)
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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 | 873 | 873 | 875 | 875 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | 873 | |||
| Response time (ms) | OK | 88 | 92 | 83 | 4 | 90 | 83 | 96 | 83 | 88 | 92 | 15 | 13 | 31 | 13 | 14 | 15 | 16 | 11 | 78 | 92 | 90 | 92 | 90 | 81 | 93 | 90 | |||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 124 | 124 | 161 | 96 | |||||||
| Response time (ms) | OK | 51 | 74 | 224 | 191 | 138 | 138 | 139 | 99 | 171 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 7/0/4 | 7/0/4 | 7/0/4 | 7/0/4 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/5 | 7/0/5 | |||||||
| Response size (bytes) | OK | 318 | 318 | 318 | 318 | 243 | 243 | 243 | 368 | 303 | |||||||
| Response time (ms) | OK | 16 | 18 | 156 | 159 | 73 | 70 | 68 | 52 | 132 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 7/0/4 | 7/0/4 | 7/0/4 | 7/0/4 | 7/0/1 | 7/0/1 | 7/0/1 | 7/0/5 | 7/0/5 | |||||||
| Response size (bytes) | OK | 318 | 318 | 318 | 318 | 243 | 243 | 243 | 368 | 303 | |||||||
| Response time (ms) | OK | 16 | 18 | 156 | 159 | 73 | 70 | 68 | 52 | 132 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | 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 | 2/0/1 | 2/0/1 | |||||||
| Response size (bytes) | OK | 144 | 144 | 144 | 144 | 144 | 144 | 144 | 181 | 116 | |||||||
| Response time (ms) | OK | 85 | 66 | 259 | 189 | 132 | 132 | 131 | 93 | 164 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 124 | 124 | 161 | 96 | |||||||
| Response time (ms) | OK | 87 | 87 | 258 | 220 | 167 | 168 | 167 | 129 | 203 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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"
"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 ~all" | OK | Y | Y | Y | Y | Y | Y | Y | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 21/7/4 | 21/7/4 | 21/7/4 | 21/7/4 | 21/0/1 | 21/0/1 | 21/0/1 | 21/7/5 | 21/0/1 | |||||||
| Response size (bytes) | OK | 1557 | 1557 | 1557 | 1557 | 1308 | 1308 | 1308 | 1607 | 1280 | |||||||
| Response time (ms) | OK | 83 | 96 | 306 | 318 | 157 | 134 | 134 | 110 | 165 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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. 75576 3600 1800 2419200 300 | OK | Y | Y | 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 | 1/0/1 | 1/0/1 | 1/7/5 | 1/0/4 | |||||||
| Response size (bytes) | OK | 365 | 365 | 365 | 365 | 124 | 124 | 124 | 415 | 168 | |||||||
| Response time (ms) | OK | 68 | 71 | 220 | 189 | 133 | 134 | 132 | 96 | 171 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 124 | 124 | 161 | 96 | |||||||
| Response time (ms) | OK | 51 | 73 | 223 | 191 | 135 | 135 | 134 | 95 | 171 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 124 | 124 | 124 | 124 | 124 | 124 | 124 | 161 | 96 | |||||||
| Response time (ms) | OK | 73 | 52 | 223 | 191 | 137 | 138 | 136 | 98 | 171 | |||||||
Responses for 5lsah34gip.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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | 0/1/1 | 0/1/1 | |||||||
| Response size (bytes) | OK | 135 | 135 | 135 | 135 | 135 | 135 | 135 | 172 | 119 | |||||||
| Response time (ms) | OK | 52 | 54 | 223 | 171 | 122 | 123 | 118 | 99 | 150 | |||||||
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. (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) | ext-ns1.columbia.edu. (2001:18d8::35) | ext-ns1.columbia.edu. (2001:18d8:1::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 | Y | Y | ||||
| RR count (Answer/Authority/Additional) | OK | 1/7/4 | 1/7/4 | 1/7/4 | 1/7/4 | 1/0/1 | 1/0/1 | 1/0/1 | 1/7/5 | 1/0/1 | |||||||
| Response size (bytes) | OK | 334 | 334 | 334 | 334 | 85 | 85 | 85 | 384 | 57 | |||||||
| Response time (ms) | OK | 21 | 15 | 152 | 155 | 70 | 68 | 68 | 52 | 130 | |||||||
