Domain · Tranco #107,428

itis.gov

itis.gov is ranked #107,428 among the world's most-visited sites (Tranco). It resolves to 137.227.239.224, hosted on www.itis.gov, and presents a TLS certificate issued by Internet2.

HTTP 200

Tranco rank	#107,428
IPv4	137.227.239.224, 137.227.231.25
Hosting / reverse DNS	www.itis.gov
Hosting network	AS22284 · AS22284-DOI-OPS - U.S. Department of the Interior, US
Nameservers	a1-88.akam.net, a11-67.akam.net, a24-67.akam.net, a26-66.akam.net
Mail servers (MX)	itis-gov.mail.protection.outlook.com (0)
HTTP status	200
Page title	ITIS.gov \| Integrated Taxonomic Information System (ITIS)
TLS certificate	Internet2 · expires 2026-10-16

Linked company

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

I T IS LIMITED

Notable DNS TXT records

v=spf1 ip4:160.111.0.0/16 ip4:67.231.156.100 ip4:67.231.148.101 include:spf1.si.edu include:spf.protection.outlook.com -all
MS=ms80248506
google-site-verification=zq296sSWcxO-KT8hum3Gj9tBbJF45gl2mRElPFVW-kM

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FAQ

What is the IP address of itis.gov?

itis.gov resolves to 137.227.239.224, 137.227.231.25 (www.itis.gov).

Who issued the SSL certificate for itis.gov?

The TLS/SSL certificate for itis.gov was issued by Internet2, valid until 2026-10-16.

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DNS/HTTP/TLS observed 2026-08-07; registration data via RDAP. Informational only. Download JSON · CSV · Browse domains