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382.6 M

Domains known to webXtrend

9.3 M

New domains in the last 30 days

64.1 M

Social media profiles detected

captcha.com

captcha.com serves a website of its own over HTTPS. It answers on IPv4 only, with a valid TLS certificate and MX records for mail.

2 other domains share an IP address with it, and 78 domains redirect to it.

The most recent crawl returned the page title “BotDetect CAPTCHA Generator” and 115,997 bytes of HTML.

Domain properties

Property Value Explanation
Top-level domain .com 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 yes 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. 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 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 78 Number of domains that redirect to this domain.
Reverse IP 2 Number of domains with the same IP(s).

Detected social media networks

No social networks found on this website.

Similar websites

No similar websites found yet.

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 9/9/2026
Valid to 12/8/2026
Time until expiry 60 days

Last successful crawl

Title BotDetect CAPTCHA Generator
Description .NET, Java, and PHP Captcha generator. BotDetect is accessible; its source code is available; it works in China; and it does not stalk you around!
Content-Length 115,997 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
46.4.221.230 1/11/2024
176.9.137.109 12/10/2023
Mail server Priority Last updated
smtp.captcha.com 10 12/31/2023
Name server Last updated
helium.ns.hetzner.de 12/10/2023
hydrogen.ns.hetzner.com 12/10/2023
oxygen.ns.hetzner.com 12/10/2023

Most recent redirect domains

Domain Last seen
lanapsoft.info 10/26/2025
botdetect.com 10/25/2025
lanapsoft.net 10/25/2025
botdetect.info 10/23/2025
botdetect.net 10/21/2025
bot-detect.com 10/17/2025
bot-detect.net 10/17/2025
bot-detect.org 10/17/2025
bot-detect.info 10/17/2025
botdetect.biz 10/16/2025
botdetect.org 10/16/2025
bot-detect.biz 10/16/2025
and 66 more

Reverse IP neighbours

46.4.221.230 2 domains · here since 9/16/2026
Domain On this IP since
captcha.biz 9/20/2026

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.