The Whois information query tool can query the registration status, validity period, and dns resolution status of the website domain name to which the specified URL link belongs.
What is whois?
Whois is a transmission protocol used to view the basic public information such as the IP and owner of a domain name. Through whois to query the domain name information, real-time information about the domain name can be obtained: the registration date, expiration date, and contact of the domain name holder Method, whether the domain name has been registered, domain name status, DNS resolution status, etc.
Since the WHOIS information of each domain name is managed and maintained by the corresponding management organization, to query the domain name whois information with different suffixes, you need to query different whois databases.
The resolution of common international domain names is generally suspended on the day of expiration. If the domain name is not renewed after 72 hours, the domain name DNS will point to the parking page of the registrar. Renewal can be continued within 38 days. If it exceeds, it will be the redemption period. The domain name will be deleted after 75 days. , The domain name registration time is recalculated.