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384.0 M

Domains known to webXtrend

9.3 M

New domains in the last 30 days

62.4 M

Social media profiles detected

recursion.run

recursion.run serves a website of its own over HTTPS and under www. It answers on IPv4 only, with a valid TLS certificate.

752,027 other domains share an IP address with it.

The most recent crawl returned the page title “Recursion — Fractional AI Engineer for Founder-Led Teams” and 74,443 bytes of HTML. The site links to X and LinkedIn profiles.

Domain properties

Property Value Explanation
Top-level domain .run Statistics for all domains we know under this TLD.
Has website yes A website is hosted under the domain, which does not redirect to an external domain.
Has MX-record no The domain has an MX record.
External redirect no The domain redirects to another domain.
Redirect to https yes The domain redirects to https.
Redirect to www. yes The domain redirects to www.domain.
Only with www. no The domain can only be reached with the subdomain "www".
Only DNS, no website no There are no A or AAAA records in DNS.
IP-Address only IPv4 Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate valid Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 752,027 Number of domains with the same IP(s).

This data through the API

The data on this page is also available as JSON: /lookup for the key facts, /reverseip, /redirect and /similar for the lists, and /dnshistory with Basic and Premium. A free account comes with an API key and 100 calls a day.

curl -X POST https://api.webxtrend.com/v1.0/lookup \
  -H 'Content-Type: application/json' \
  -d '{"token": "YOUR_TOKEN", "query": "recursion.run"}'

Create a free account Read the API docs

Detected social media networks

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Websites whose start page offers something similar, found by comparing the text of their start pages, across languages. Near-identical copies, parking pages and error pages are left out. The full list of up to 100 comes through the API: similar websites.

Last SSL certificate

Issuer Let's Encrypt
Valid from 9/5/2026
Valid to 12/3/2026
Time until expiry 47 days

Last successful crawl

Title Recursion — Fractional AI Engineer for Founder-Led Teams
Description Fractional AI engineer for founder-led teams. I scope, build, and ship production AI systems into live workflows in 2–6 weeks — one accountable operator.
Content-Length 74,443 bytes

Title and description as published by the page itself in its own <title> and <meta name="description"> tags.

DNS history

IPv4 address Last updated
216.150.1.193 10/11/2026
216.150.16.129 10/11/2026
216.150.1.1 10/3/2026
216.150.1.129 10/3/2026
216.150.1.129 9/24/2026
Name server Last updated
ns1.vercel-dns.com 3/2/2025
ns2.vercel-dns.com 3/2/2025

The five most recent states of each record type. The full history comes through the API: DNS history.

Most recent redirect domains

No domains found.

Reverse IP neighbours

216.150.1.193 130,239 domains · here since 10/6/2026
Domain On this IP since
zzz.bingo 10/12/2026
zzz-inc.com 10/8/2026
zzxfqt.info 10/3/2026
zztbsw.info 10/16/2026
zzphypotheekgids.nl 10/2/2026
zzpdld.info 10/16/2026
zzpchat.com 9/29/2026
zzish.com 9/14/2026
zzhvtm.info 9/26/2026
zzchdz.info 10/12/2026
zzalkiro.com 10/6/2026
zzal.date 9/26/2026
and 130,226 more
216.150.1.1 621,788 domains · here since 9/24/2026
Domain On this IP since
zzzpost.com 9/28/2026
zzzip.kr 10/8/2026
zzz.toys 9/23/2026
zzz.bingo 10/12/2026
zzz.art 10/8/2026
zzxgim.com 9/16/2026
zztbsw.info 10/4/2026
zzpzt.cn 9/14/2026
zzpwerkvinden.nl 9/15/2026
zzppy.nl 9/16/2026
zzphypotheekgids.nl 10/14/2026
zzpcalc.com 10/3/2026
and 621,775 more

Sharing an address does not always mean sharing a server: on a CDN or a large hosting platform, millions of unrelated domains answer on the same few addresses. We measured how far that goes in Half the web sits on 276 IP addresses. The complete list of neighbours, also for an IP address, comes through the API: reverse IP lookup.