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

SPF Usage Statistics · Download List of All Websites using SPF

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

Standard

Web Hosting Providers

1and11and1

1and1 Usage Statistics · Download List of All Websites using 1and1

1&1 internet packaged hosting, mail and eCommerce solutions owned by United Internet and incorporating Schlund and Partners.

UK hosting

Operating Systems and Servers