oss.co was registered with Dynadot Inc on 20 Jul 2010. Its SSL certificate from Let's Encrypt is valid until 9 Jan 2027, and the site supports HTTP/3.
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.
780 similar domains registered in the last 90 days — possible typosquatting or phishing.
| Domain | Why it’s similar | Registered | Status | Report |
|---|---|---|---|---|
| o5s.org | Look-alike characters | 29 Sept 2026 | Active website | Report → |
| os5.rest | Look-alike characters | 24 Sept 2026 | Active website | Report → |
| 0ss.xyz | Look-alike characters | 6 Sept 2026 | Active website | Report → |
| o5s.homes | Look-alike characters | 26 Aug 2026 | Active website | Report → |
| o55.pics | Look-alike characters | 22 Aug 2026 | Active website | Report → |
From CubDomain's daily newly registered domains. Similar doesn't mean malicious.
Is oss.co’s name taken on other extensions?
| Host | IPv4 address | TTL |
|---|---|---|
| oss.co | 149.28.42.111 | 300 |
| oss.co | 45.77.110.111 | 300 |
| Host | Name server | TTL |
|---|---|---|
| oss.co | ns1.sawsells.com | 300 |
| oss.co | ns2.sawsells.com | 300 |
| Host | Start of authority | TTL |
|---|---|---|
| oss.co | ns1.sawsells.com hostmaster.oss.co 2026101202 10800 3600 604800 3600 | 300 |
No reviews yet. Used oss.co? 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.
oss.co has no community safety rating yet. Its SSL certificate is valid until 9 Jan 2027. See Security →
oss.co is registered through Dynadot Inc. See WHOIS →
The registration expires on 19 Jul 2028 — in 20 months. See Overview →
oss.co was registered on 20 Jul 2010, making it 16 years old. See Overview →
Raw registry data for oss.co. May be redacted by privacy services.
Domain Name: OSS.CO Registry Domain ID: D297965-CNIC Registrar WHOIS Server: whois.dynadot.com Registrar URL: https://www.dynadot.com/ Updated Date: 2026-09-05T00:17:04.0Z Creation Date: 2010-07-20T18:02:22.0Z Registry Expiry Date: 2028-07-19T23:59:59.0Z Registrar: Dynadot Inc Registrar IANA ID: 472 Domain Status: serverTransferProhibited https://icann.org/epp#serverTransferProhibited Domain Status: clientTransferProhibited https://icann.org/epp#clientTransferProhibited Registrant Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Admin Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Tech Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Name Server: NS1.SAWSELLS.COM Name Server: NS2.SAWSELLS.COM DNSSEC: unsigned Billing Email: Please query the RDDS service of the Registrar of Record identified in this output for information on how to contact the Registrant, Admin, or Tech contact of the queried domain name. Registrar Abuse Contact Email: [email protected] Registrar Abuse Contact Phone: +1.6502620100 URL of the ICANN Whois Inaccuracy Complaint Form: https://www.icann.org/wicf/ >>> Last update of WHOIS database: 2026-10-29T16:13:28.0Z <<< For more information on Whois status codes, please visit https://icann.org/epp The registration data available in this service is limited. Additional data may be available at https://lookup.icann.org The Whois and RDAP services are provided by CentralNic, and contain information pertaining to Internet domain names registered by our our customers. By using this service you are agreeing (1) not to use any information presented here for any purpose other than determining ownership of domain names, (2) not to store or reproduce this data in any way, (3) not to use any high-volume, automated, electronic processes to obtain data from this service. Abuse of this service is monitored and actions in contravention of these terms will result in being permanently blacklisted. All data is (c) CentralNic Ltd (https://www.centralnicregistry.com) Access to the Whois and RDAP services is rate limited.
The first response from http://www.oss.co, before any redirect: caching, server and policy headers.
Four timed TCP connections to port 443 from CubDomain's servers.
CubDomain is not affiliated with oss.co. 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.