Domain · Tranco #987

columbia.edu

columbia.edu is ranked #987 among the world's most-visited sites (Tranco). It resolves to 162.159.138.64, hosted on cloudflare, and presents a TLS certificate issued by Google Trust Services.

HTTP 403

Tranco rank	#987
IPv4	162.159.138.64, 162.159.128.65
Hosting / reverse DNS	cloudflare
Nameservers	auth1.dns.cogentco.com, auth2.dns.cogentco.com, ext-ns1.columbia.edu, ns1.lse.ac.uk
Mail servers (MX)	mxb-00364e01.gslb.pphosted.com (10), mxa-00364e01.gslb.pphosted.com (10)
HTTP status	403
Web server	cloudflare
Page title	Just a moment...
Detected tech	cloudflare, Cloudflare
TLS certificate	Google Trust Services · expires 2026-11-03

Linked company

This domain's name matches a legal entity in our directory:

COLUMBIA

Notable DNS TXT records

anthropic-domain-verification-01mqc0=QYIx6Pw50pyhbeOfqjhRRNpve
wpe-verification=cssrsprod
atlassian-domain-verification=TGY4izz2FIXsrTR48IJgpJMfixggF0xpHJ4TC91Ii5DqZYvIR3zflZ1zbdDNI3NN
adobe-idp-site-verification=c4c82a5f2bf3cc3ee4ad2ee246c28e17ead150faf152556bc9ca5c068762b827
autodesk-domain-verification=P6lfZ9W5VspsY7qG7oL0
google-site-verification=B93x40FIZF4LI-5cayepjvuwU8ZodIQ09zIDG1gHtIc

More .edu domains

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FAQ

What is the IP address of columbia.edu?

columbia.edu resolves to 162.159.138.64, 162.159.128.65 (cloudflare).

Who issued the SSL certificate for columbia.edu?

The TLS/SSL certificate for columbia.edu was issued by Google Trust Services, valid until 2026-11-03.

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DNS/HTTP/TLS observed 2026-08-06; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains