Kleissner is a hosting provider. Their Autonomous System (AS) Number is 204007.
Found a phishing site (or other fraudulent/malicious content) registered with Kleissner? The best way to report a URL to Kleissner is to send them an email at:
Report phishing to Kleissner
Reporting a fraudulent site hosted by Kleissner
WHOIS information for Kleissner
% This is the RIPE Database query service.
% The objects are in RPSL format.
%
% The RIPE Database is subject to Terms and Conditions.
% See https://docs.db.ripe.net/terms-conditions.html
%ERROR:201: access denied for 2a09:bac1:1e20:628:0:0:3a3:26
%
% Sorry, access from your host has been permanently
% denied because of a repeated excessive querying.
% For more information, see
% https://docs.db.ripe.net/FAQ/#why-did-i-receive-an-error-201-access-denied
% This query was served by the RIPE Database Query Service version 1.120 (ABERDEEN)
% Query time: 517 msec
% WHEN: Sat Dec 06 11:15:05 UTC 2025
Who is Kleissner?