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384.9 M

Domains known to webXtrend

9.7 M

New domains in the last 30 days

62.8 M

Social media profiles detected

rootctf.com

Get an email when its DNS, website or certificate changes.

rootctf.com serves a website of its own over HTTPS. It answers on both IPv4 and IPv6, with a valid TLS certificate.

3,418 other domains share an IP address with it.

The most recent crawl returned the page title “ROOT CTF - Enterprise Cybersecurity Training Platform | CTF Competitions & Talent Acquisition” and 20,136 bytes of HTML. The site links to LinkedIn.

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 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. 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 valid Shows whether the domain has a valid SSL certificate.
Redirects 0 Number of domains that redirect to this domain.
Reverse IP 3,418 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": "rootctf.com"}'

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 Google Trust Services
Valid from 8/6/2026
Valid to 11/4/2026
Time until expiry 12 days

Last successful crawl

Title ROOT CTF - Enterprise Cybersecurity Training Platform | CTF Competitions & Talent Acquisition
Description ROOT CTF is a revolutionary cybersecurity training platform that connects enterprises with top security talent through competitive CTF events. Enhance your team's security skills, recruit cybersecurity professionals, and strengthen your defense capabilities with real-world challenges.
Content-Length 20,136 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
104.21.64.232 12/10/2023
172.67.137.149 12/10/2023
IPv6 address Last updated
2606:4700:3032:0:0:0:6815:40e8 6/27/2026
2606:4700:3035:0:0:0:ac43:8995 6/27/2026
2606:4700:3036:0:0:0:6815:40e8 12/10/2023
2606:4700:3037:0:0:0:ac43:8995 12/10/2023
Name server Last updated
carol.ns.cloudflare.com 12/10/2023
walt.ns.cloudflare.com 12/10/2023

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

104.21.64.232 855 domains · here since 9/17/2026
Domain On this IP since
zwsh.cc 10/1/2026
zovalerumeta.space 10/9/2026
zonlyst.site 10/11/2026
zmiejko.pl 10/1/2026
zjldpay.com 9/22/2026
ziquegj.cn 10/3/2026
zhuobinggacuhanghaia.cyou 10/16/2026
zhmy3.cn 10/12/2026
zhdrt.com 10/8/2026
zh-boyutiyu.net.cn 9/23/2026
zentix.quest 9/21/2026
zamudiofoods.com 9/18/2026
and 842 more
172.67.137.149 855 domains · here since 9/17/2026
Domain On this IP since
zwsh.cc 10/1/2026
zovalerumeta.space 10/9/2026
zonlyst.site 10/11/2026
zmiejko.pl 10/1/2026
zjldpay.com 9/22/2026
ziquegj.cn 10/3/2026
zhuobinggacuhanghaia.cyou 10/16/2026
zhmy3.cn 10/12/2026
zhdrt.com 10/8/2026
zh-boyutiyu.net.cn 9/23/2026
zentix.quest 9/21/2026
zamudiofoods.com 9/18/2026
and 842 more
2606:4700:3032::6815:40e8 854 domains · here since 9/17/2026
Domain On this IP since
zwsh.cc 10/1/2026
zovalerumeta.space 10/9/2026
zonlyst.site 10/11/2026
zmiejko.pl 10/1/2026
zjldpay.com 9/22/2026
ziquegj.cn 10/3/2026
zhuobinggacuhanghaia.cyou 10/16/2026
zhmy3.cn 10/12/2026
zhdrt.com 10/8/2026
zh-boyutiyu.net.cn 9/23/2026
zentix.quest 9/21/2026
zamudiofoods.com 9/18/2026
and 841 more
2606:4700:3035::ac43:8995 854 domains · here since 9/17/2026
Domain On this IP since
zwsh.cc 10/1/2026
zovalerumeta.space 10/9/2026
zonlyst.site 10/11/2026
zmiejko.pl 10/1/2026
zjldpay.com 9/22/2026
ziquegj.cn 10/3/2026
zhuobinggacuhanghaia.cyou 10/16/2026
zhmy3.cn 10/12/2026
zhdrt.com 10/8/2026
zh-boyutiyu.net.cn 9/23/2026
zentix.quest 9/21/2026
zamudiofoods.com 9/18/2026
and 841 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.