DNSWHOIS.INFO - dyn.columbia.edu
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dyn.columbia.edu checked at 2025-10-19T06:19:47.267Z 159ms 65/65/65 100% R:14dyn.columbia.edu
| NS | ext-ns1.columbia.edu | ||||||
| A | 2001:18d8::35 🇺🇸 Columbia University | ||||||
| PTR | ext-ns1.columbia.edu | ||||||
| A | 2001:18d8:1::1:1 🇺🇸 Columbia University | ||||||
| PTR | ext-ns1.columbia.edu | ||||||
| A | 128.59.1.1🇺🇸 Columbia University | ||||||
| PTR | ext-ns1.columbia.edu | ||||||
| NS | ext-ns2.columbia.edu | ||||||
| A | 2001:18d8::53 🇺🇸 Columbia University | ||||||
| PTR | ext-ns2.columbia.edu | ||||||
| A | 2001:18d8:1:1::1:1 🇺🇸 Columbia University | ||||||
| PTR | ext-ns2.columbia.edu | ||||||
| A | 128.59.1.2🇺🇸 Columbia University | ||||||
| PTR | ext-ns2.columbia.edu | ||||||
columbia.edu
rank #9 in the tld
This domain name "columbia.edu" is associated with Columbia University, a private Ivy League research university located in New York City. It is used for the university's main website, email addresses, and various online services related to the institution. The ".edu" extension indicates that the domain is primarily used for educational institutions.
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AI analysis
dyn.columbia.edu is a parent of dyn-128-59-76-230.dyn.columbia.edu, dyn-160-39-1-126.dyn.columbia.edu, dyn-128-59-46-41.dyn.columbia.edu, dyn-160-39-57-222.dyn.columbia.edu, dyn-160-39-17-66.dyn.columbia.edu and hundreds of other host names.
dyn.columbia.edu's delegation is to two name servers ext-ns1.columbia.edu and ext-ns2.columbia.edu.
dyn.columbia.edu shares the same name server configuration as other domains, such as columbiauniversity.info, gutenberg-e.org, 140.10.207.in-addr.arpa, 236.2.209.in-addr.arpa and atg.columbia.edu.
dyn.columbia.edu at least partially shares its name servers with other domains, for instance fmri.columbia.edu, brooklyn.cuny.edu, braingenethics.cumc.columbia.edu, amistadresource.org and law.columbia.edu.
These name servers are commonly used with apollo.cs.columbia.edu, sundog.ee.columbia.edu, acme.ucc.cuny.edu, lavinia.cis.cuny.edu, diana.cs.columbia.edu, ns1.nyp.org, ns2.nyp.org, ns10.customer.level3.net, ns15.customer.level3.net and auth1.dns.cogentco.com.
Host names with three IP numbers
The host name ext-ns1.columbia.edu points to 2001:18d8::35, 2001:18d8:1::1:1 and 128.59.1.1; the host name ext-ns2.columbia.edu points to 2001:18d8::53, 2001:18d8:1:1::1:1 and 128.59.1.2