DNS, hosts file and server guides
Practical technical guides focused on real deployment problems.
Partner toolsSelected services
Certificate analysisSSL SorguInspect certificate chains and TLS configuration.
Secure connectionKivaro VPNFast, secure VPN connectivity for Android.
DNS propagationChecker.trCompare DNS records from multiple locations.
DNS healthDNS Tools BoxAudit NS, MX, SOA and WWW configuration.DNS Propagation Checker Guide: TTL, Cache and Testing
Understand DNS propagation, check records worldwide and test a new origin server before changes become globally visible.
20.06.2026 · hosts file locationHosts File Location in Windows 11 and How to Edit It
Find the Windows hosts file, edit it with administrator rights and preview a website on a new server before DNS changes.