kosl.dev was registered on 20 Nov 2014. Its SSL certificate from Amazon is valid until 24 Mar 2027.
What security vendors and the WOT community say about this domain.
0 of 5 protections set up
No SPF record: any server can send mail that claims to come from this domain.
—No key at the 12 common selectors we checked. A custom selector can’t be found from DNS alone.
—No DMARC policy: receivers aren’t told what to do with mail that fails SPF and DKIM.
—Forces encrypted delivery between mail servers.
—Shows the brand logo in supporting inboxes. Optional; needs DMARC enforcement.
—Read from the domain's public DNS records.
What loads and tracks visitors when the homepage opens.
Running a full browser scan of the homepage… This takes about a minute.
Internet standards that make a site faster and safer.
The path from a typed address to the final page.
184 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| kosi.fyi | Look-alike characters | 27 Oct 2026 | Active website | Report → |
| kosi.world | Look-alike characters | 17 Sept 2026 | No website | Report → |
| kosi.agency | Look-alike characters | 16 Sept 2026 | No website | Report → |
| kosi.co.kr | Look-alike characters | 5 Aug 2026 | Active website | Report → |
| kols.click | Typo | 25 Oct 2026 | No website | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is kosl.dev’s name taken on other extensions?
| Host | IPv4 address | TTL |
|---|---|---|
| kosl.dev | 3.36.4.188 | 60 |
| kosl.dev | 3.37.6.112 | 60 |
| kosl.dev | 54.116.211.64 | 60 |
| Host | Name server | TTL |
|---|---|---|
| kosl.dev | ns-1502.awsdns-59.org | 172800 |
| kosl.dev | ns-1843.awsdns-38.co.uk | 172800 |
| kosl.dev | ns-489.awsdns-61.com | 172800 |
| kosl.dev | ns-913.awsdns-50.net | 172800 |
| Host | Start of authority | TTL |
|---|---|---|
| kosl.dev | ns-1502.awsdns-59.org awsdns-hostmaster.amazon.com 1 7200 900 1209600 86400 | 900 |
No reviews yet. Used kosl.dev? Be the first to say how it went.
Reviews are from CubDomain users and are separate from the security verdicts above.
Common questions, answered from this report's data.
kosl.dev has no community safety rating yet. Its SSL certificate is valid until 24 Mar 2027. See Security →
kosl.dev was registered on 20 Nov 2014, making it 11 years old. See Overview →
Raw registry data for kosl.dev. May be redacted by privacy services.
% IANA WHOIS server % for more information on IANA, visit http://www.iana.org % This query returned 1 object domain: DEV organisation: Charleston Road Registry Inc. address: 1600 Amphitheatre Parkway address: Mountain View CA 94043 address: United States of America (the) contact: administrative name: TLD Admin organisation: Google Inc. address: 111 8th Avenue address: New York NY 10011 address: United States of America (the) phone: +1 404 978 8419 fax-no: +1 650 492 5631 e-mail: [email protected] contact: technical name: TLD Engineering organisation: Google Inc. address: 76 Ninth Avenue, 4th Floor address: New York NY 10011 address: United States of America (the) phone: +1 404 978 8419 fax-no: +1 650 492 5631 e-mail: [email protected] nserver: NS-TLD1.CHARLESTONROADREGISTRY.COM 2001:4860:4802:32:0:0:0:69 216.239.32.105 nserver: NS-TLD2.CHARLESTONROADREGISTRY.COM 2001:4860:4802:34:0:0:0:69 216.239.34.105 nserver: NS-TLD3.CHARLESTONROADREGISTRY.COM 2001:4860:4802:36:0:0:0:69 216.239.36.105 nserver: NS-TLD4.CHARLESTONROADREGISTRY.COM 2001:4860:4802:38:0:0:0:69 216.239.38.105 nserver: NS-TLD5.CHARLESTONROADREGISTRY.COM 2001:4860:4805:0:0:0:0:69 216.239.60.105 ds-rdata: 60074 8 2 b942e2ce5aebf62fca59d05707e6dbb795211d540d8adba02e9e89e833424785 whois: status: ACTIVE remarks: Registration information: https://www.registry.google created: 2014-11-20 changed: 2025-04-11 source: IANA
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with kosl.dev. 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.
Found in public certificate transparency logs.
Searching the certificate transparency logs… This can take up to a minute.
When the site first appeared, and what has changed since.
No changes seen since we started recording on 29 Oct 2026.