Tool.Domains website is An online tool that provides free search for expired domain names, created by Kalin Karakehayov, with his 6 years of experience in Internet optimization and Internet marketing, the site is aimed at developers and web optimizers in the IT field to find top-level domain names.

Terminology explained. "Domain name registration has a term, when its domain name owner did not or forgot to renew the domain name after the expiration, in a relatively short period of time the domain name will be marked as "expired domain name" (on-hold)." There are three stages of expired domain names, the first stage of domain name expiration 1 to 45 days after the domain name scrambled domain name expired deletion rule will be in the registrar retention status; the second stage of the registrar retention period ends after the domain name will enter the 30-day redemption period; the third stage of redemption period ends after the domain name will enter the six-day deletion pending period, the domain name will be deleted after the expiration of the six-day period. The Tool.Domains website has a database of expired domain names with approximately 55.6+ billion TLDs and ccTLDs, you can find the domain names you want through this professional domain name search engine. The database also provides domain name registration analysis, IP, NS, MX records and other data.