About this tool

DNS Robot is a free toolkit for checking and fixing DNS, email and network problems. Its DNS Propagation Checker queries 30+ DNS servers worldwide and shows on a live map where a change has spread. Alongside it are 50+ tools: DNS lookup for every record type, WHOIS/RDAP lookup, SSL checker, SPF, DKIM and DMARC checkers, email header analyzer, IP blacklist checker, port checker, subdomain finder, hosting checker, ping and traceroute. Every tool is free, works without sign-up and is available in 12 languages, and developers can use the free public DNS API.