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Social media profiles detected

simplex-spec.org

It answers on both IPv4 and IPv6.

58 other domains share an IP address with it.

The most recent crawl returned the page title “Simplex - Specification Language for Agentic Coding and Autonomous AI Agents” and 20,614 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .org Statistics for all domains we know under this TLD.
Has website no 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 yes The domain redirects to another domain.
Redirect to https no The domain redirects to https.
Redirect to www. no 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 Both Shows whether the domain only has IPv4 or IPv6 or both.
SSL-Certificate no certificate Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 58 Number of domains with the same IP(s).

Detected social media networks

No social networks found on this website.

Similar websites

We have not analysed the start page of this domain yet, so we cannot compare it with other websites.

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.

Last SSL certificate

Issuer Let's Encrypt
Valid from 2/6/2026
Valid to 5/7/2026
Time until expiry 155 days

Last successful crawl

Title Simplex - Specification Language for Agentic Coding and Autonomous AI Agents
Description Simplex is an open specification language for agentic coding and autonomous software development. Define LLM agent workflows for Claude, GPT, and any coding agent. Describe what to build, not how — enabling AI agents to work autonomously on complex tasks.
Content-Length 20,614 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
66.241.124.140 2/8/2026
IPv6 address Last updated
2a09:8280:1:0:0:d0:7ebe:0 2/8/2026
Name server Last updated
ns-1441.awsdns-52.org 2/8/2026
ns-1697.awsdns-20.co.uk 2/8/2026
ns-723.awsdns-26.net 2/8/2026
ns-88.awsdns-11.com 2/8/2026

Most recent redirect domains

No domains found.

Reverse IP neighbours

66.241.124.140 57 domains · here since 9/19/2026
Domain On this IP since
xhrdev.com 9/20/2026
xhr.dev 9/16/2026
wordends.com 9/11/2026
verifymycreator.com 9/23/2026
verena.se 9/12/2026
uri.ai 9/16/2026
unfinishedroom.com 9/14/2026
tobias-wosowiecki.de 9/18/2026
timepool.app 9/23/2026
slipstreamemr.app 9/20/2026
shareyl.com 9/18/2026
savitravels.co.in 9/21/2026
and 44 more
2a09:8280:1::d0:7ebe:0 1 domain · here since 9/19/2026
Domain On this IP since
No other domains on this address.

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.