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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.

Name Server

DNSSECDNSSEC

DNSSEC Usage Statistics · Download List of All Websites using DNSSEC

DNSSEC strengthens DNS authentication by using digital signatures based on public key cryptography.

Profile Details

Last technology detected on 12th March 2025. We know of 7 technologies on this page and 81 technologies removed from c2u.no since 28th February 2013. Link to this page.

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