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Domain report

itis.gov

itis.gov ranks in the top 0.0043% of domains by connectivity (Common Crawl, cc-main-2026-jul-aug-sep), with 7 distinct hosts observed under it.

Explore itis.gov in the Web Graph

Connectivity

#5,663harmonic-centrality rank
Top percentile
0.0043%
Hosts observed
7

From the Common Crawl cc-main-2026-jul-aug-sep hyperlink graph, 133,241,980 domains total. What this rank means

HTTPS reachability

200HTTP status

https://itis.gov/ answered with HTTP 200.

DNS records

A
  • 137.227.239.224
  • 137.227.231.25
AAAA
No records found.
MX
  • 0 itis-gov.mail.protection.outlook.com.
NS
  • a1-88.akam.net.
  • a9-64.akam.net.
  • a11-67.akam.net.
  • a24-67.akam.net.
  • a26-66.akam.net.
  • a28-65.akam.net.

Live preview

Screenshot of itis.gov

This site sends "X-Frame-Options: SAMEORIGIN", which blocks embedding it here.

Since itis.gov can't be embedded live, this is a captured screenshot instead — a snapshot from whenever it was last rendered, not necessarily this exact moment.

Domain registration (WHOIS / RDAP)

RDAP lookup failed (HTTP 429).

How to read WHOIS and RDAP data

SSL certificate

Certificate Transparency lookup failed (HTTP 429).

How to check when a certificate expires

HTTP & security headers

Response

Server
cloudflare
Content-Type
text/html; charset=ISO-8859-1
Cache-Control
Not sent
Content-Encoding
Not sent

Security

Content-Security-Policy
Not sent
Strict-Transport-Security
max-age=63072000; includeSubdomains; preload
X-Frame-Options
SAMEORIGIN
X-Content-Type-Options
Not sent
Referrer-Policy
Not sent
Permissions-Policy
Not sent

What each security header does

Redirect chain

  1. 1.http://itis.gov/HTTP 302

    → https://itis.gov/

  2. 2.https://itis.gov/

    The operation was aborted due to timeout

Meta tags

Title
ITIS.gov | Integrated Taxonomic Information System (ITIS)
Description
The Integrated Taxonomic Information System (ITIS, www.itis.gov) partners with specialists from around the world to assemble scientific names and their taxonomic relationships and distributes that data openly through publicly available software. The ITIS mission is to communicate a comprehensive taxonomy of global species that enables biodiversity information to be discovered, indexed, and connected across all human endeavors. ITIS is made up of 11 active MOU partners committed to improving and continually updating scientific and common names of all seven Kingdoms of Life (Archaea, Bacteria, Protozoa, Chromista, Fungi, Plantae, and Animalia).
Canonical
Not set
Robots
Not set
Generator
Not set
Open Graph title
Not set
Open Graph description
Not set
Open Graph image
Not set
Open Graph type
Not set
Twitter card
Not set
Twitter title
Not set
Twitter image
Not set

robots.txt

Disallow rules (User-agent: *)
9
Disallow rules (other agents)
19

Sitemap declared:

  • https://itis.gov/sitemap.xml

Technology detected

Best-effort, based on a small set of well-known signals — this may be incomplete.

  • Cloudflarecdn

    Server: cloudflare

  • Google Tag Manageranalytics

    Found "googletagmanager.com/gtm.js" in the page's HTML

Related domains

Similar connectivity

Domains ranked just above and below it in the same snapshot.