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.

Operating Systems and Servers
Profile Details

Last technology detected on 10th August 2025. We know of 10 technologies on this page and 147 technologies removed from explain-it.ch since 25th March 2013. Link to this page.

BuiltWith Top Site Rank 🏆

explain-it.ch is ranked 190,582nd in our top sites list. View BuiltWith Top Site Rank.

Add BuiltWith to for free! Get lookups easily and quickly.

Get a notification when explain-it.ch adds new technologies.

Get explain-it.ch profile as an XML, JSON, CSV or XLSX via the Domain API.

Suggest a Technology

Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.