CF1759651037960-tsm20251004101907

IPLIST.NET - 20.59.128.in-addr.arpa

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20.59.128.in-addr.arpa checked at 2025-10-05T07:57:17.948Z 901ms 65/65/65 100% R:15

20.59.128.in-addr.arpa

NSext-ns1.columbia.edu
A128.59.1.1🇺🇸 Columbia University
PTRext-ns1.columbia.edu
NSext-ns2.columbia.edu
A2001:18d8::53 🇺🇸 Columbia University
PTRext-ns2.columbia.edu
A2001:18d8:1:1::1:1 🇺🇸 Columbia University
PTRext-ns2.columbia.edu
A128.59.1.2🇺🇸 Columbia University
PTRext-ns2.columbia.edu
NSapollo.cs.columbia.edu
A128.59.16.69🇺🇸 Columbia University
PTRapollo.cs.columbia.edu
NSdiana.cs.columbia.edu
A128.59.11.232🇺🇸 Columbia University
PTRdiana.cs.columbia.edu
NSsundog.ee.columbia.edu
A128.59.64.59🇺🇸 Columbia University
PTRriverside.ee.columbia.edu
PTRsundog.ee.columbia.edu

59.128.in-addr.arpa

NSext-ns1.columbia.edu
NSauth1.dns.cogentco.com
NSauth2.dns.cogentco.com
NSauth4.dns.cogentco.com
NSauth5.dns.cogentco.com

Up

Starts with same word

Starts similarily

AI analysis

20.59.128.in-addr.arpa is the parent of 141.20.59.128.in-addr.arpa, 160.20.59.128.in-addr.arpa, 109.20.59.128.in-addr.arpa, 26.20.59.128.in-addr.arpa, 30.20.59.128.in-addr.arpa and a few other host names.

20.59.128.in-addr.arpa is delegated to five name servers: ext-ns1.columbia.edu, ext-ns2.columbia.edu, apollo.cs.columbia.edu, diana.cs.columbia.edu and sundog.ee.columbia.edu.

20.59.128.in-addr.arpa at least partially shares name servers with other domains, for instance gsb.columbia.edu, 96.146.in-addr.arpa, eoc.cuny.edu, central.cuny.edu and columbia.edu.

These name servers are commonly used with the following name servers: acme.ucc.cuny.edu, lavinia.cis.cuny.edu, ns1.nyp.org, ns2.nyp.org, ns10.customer.level3.net, ns15.customer.level3.net, auth1.dns.cogentco.com, auth2.dns.cogentco.com, auth4.dns.cogentco.com and auth5.dns.cogentco.com.

Host names with three IP numbers: ext-ns2.columbia.edu points to 2001:18d8::53, 2001:18d8:1:1::1:1 and 128.59.1.2.

Host names with one IP number: ext-ns1.columbia.edu points to 128.59.1.1. apollo.cs.columbia.edu points to 128.59.16.69. diana.cs.columbia.edu points to 128.59.11.232. sundog.ee.columbia.edu points to 128.59.64.59.

Perform reverse DNS lookup as well as normal forward DNS. Check Autonomous System Numbers (ASNs) and BGP connections between Internet Service Providers.
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