21rrrr.com was registered with whois.verisign-grs.com on 1 Jan 1985. We couldn't read an SSL certificate for it when we last analysed it.
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What loads and tracks visitors when the homepage opens.
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We couldn't read an SSL certificate on port 443 when we last analysed 21rrrr.com. Refresh the analysis to check again.
2 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| 28rrrr.com | Typo | 1 Nov 2026 | Checking… | Report → |
| 521rrrr.com | Extra letter | 1 Nov 2026 | Checking… | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is 21rrrr.com’s name taken on other extensions?
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Common questions, answered from this report's data.
21rrrr.com has no community safety rating yet. We couldn't read an SSL certificate on it when we last analysed it. See Security →
21rrrr.com is registered through whois.verisign-grs.com. See WHOIS →
21rrrr.com was registered on 1 Jan 1985, making it 41 years old. See Overview →
Raw registry data for 21rrrr.com. May be redacted by privacy services.
% IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object refer: whois.verisign-grs.com domain: COM organisation: VeriSign Global Registry Services address: 12061 Bluemont Way address: Reston VA 20190 address: United States of America (the) contact: administrative name: Registry Customer Service organisation: VeriSign Global Registry Services address: 12061 Bluemont Way address: Reston VA 20190 address: United States of America (the) phone: +1 703 925-6999 fax-no: +1 703 948 3978 e-mail: [email protected] contact: technical name: Registry Customer Service organisation: VeriSign Global Registry Services address: 12061 Bluemont Way address: Reston VA 20190 address: United States of America (the) phone: +1 703 925-6999 fax-no: +1 703 948 3978 e-mail: [email protected] nserver: A.GTLD-SERVERS.NET 192.5.6.30 2001:503:a83e:0:0:0:2:30 nserver: B.GTLD-SERVERS.NET 192.33.14.30 2001:503:231d:0:0:0:2:30 nserver: C.GTLD-SERVERS.NET 192.26.92.30 2001:503:83eb:0:0:0:0:30 nserver: D.GTLD-SERVERS.NET 192.31.80.30 2001:500:856e:0:0:0:0:30 nserver: E.GTLD-SERVERS.NET 192.12.94.30 2001:502:1ca1:0:0:0:0:30 nserver: F.GTLD-SERVERS.NET 192.35.51.30 2001:503:d414:0:0:0:0:30 nserver: G.GTLD-SERVERS.NET 192.42.93.30 2001:503:eea3:0:0:0:0:30 nserver: H.GTLD-SERVERS.NET 192.54.112.30 2001:502:8cc:0:0:0:0:30 nserver: I.GTLD-SERVERS.NET 192.43.172.30 2001:503:39c1:0:0:0:0:30 nserver: J.GTLD-SERVERS.NET 192.48.79.30 2001:502:7094:0:0:0:0:30 nserver: K.GTLD-SERVERS.NET 192.52.178.30 2001:503:d2d:0:0:0:0:30 nserver: L.GTLD-SERVERS.NET 192.41.162.30 2001:500:d937:0:0:0:0:30 nserver: M.GTLD-SERVERS.NET 192.55.83.30 2001:501:b1f9:0:0:0:0:30 ds-rdata: 30909 8 2 e2d3c916f6deeac73294e8268fb5885044a833fc5459588f4a9184cfc41a5766 whois: whois.verisign-grs.com status: ACTIVE remarks: Registration information: http://www.verisigninc.com created: 1985-01-01 changed: 2019-08-14 source: IANA
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with 21rrrr.com. Data is collected independently from public sources and some figures are estimates, provided for information only.
Spam and malware blocklists for the site's IP and mail servers.
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When the site first appeared, and what has changed since.
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