Send Guardian Usage Statistics · Download List of All Websites using Send Guardian
Anti-spam email filtering service.
Secure Email
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.
LetsEncrypt Usage Statistics · Download List of All Websites using LetsEncrypt
Let’s Encrypt is a free open Certificate Authority.
Root Authority
Common Name Invalid Usage Statistics · Download List of All Websites using Common Name Invalid
The Common Name/SAN value of this websites SSL certificate does not correspond to the domain name.
Spanish Server Location Usage Statistics · Download List of All Websites using Spanish Server Location
The web server is located in Spain.
Server Location
nginx Usage Statistics · Download List of All Websites using nginx
nginx [engine x] is a HTTP server and mail proxy server written by Igor Sysoev.
Last technology detected on 1st April 2024. We know of 6 technologies on this page and 72 technologies removed from sistema1.es since 28th February 2013. Link to this page.
Get a notification when sistema1.es adds new technologies.
Get sistema1.es profile as an XML, JSON, CSV or XLSX via the Domain API.
Can't find the technology you are looking for? Send us a suggestion, we will try and add it to our database.