Have I Been PwnedHave I Been Pwned

Have I Been Pwned Usage Statistics · Download List of All Websites using Have I Been Pwned

Domain ownership verification for haveibeenpwned provides site owners with access to reports of email addresses associated with there domain found in data breaches.

Email Hosting Providers

SPFSPF

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The Sender Policy Framework is an open standard specifying a technical method to prevent sender address forgery.

Standard

SSL Certificates

TERENATERENA

TERENA Usage Statistics · Download List of All Websites using TERENA

The TERENA Certificate Service allowed a variety of digital certificates to be offered to research and education institutions served by participating National Research and Education Networks. Now known as GÉANT's Trusted Certificate Service.