Who.is
who.isInstantly look up registration data for any domain or IP address
Utilitieswhoisdomain-lookupip-lookuprdapdnsdomain-tools
About
Who.is is a web-based lookup tool that provides comprehensive WHOIS and RDAP data for domain names and IP addresses. Users can search for registration details, contact information, nameservers, DNS records, and domain availability. It also offers historical data and related domain exploration.
Problem
Finding registration details, contact information, and DNS records for any domain name or IP address is time-consuming without a centralized lookup tool.
For
developers, sysadmins, and anyone needing domain or IP registration information
How it works
Users enter a domain name or IP address and the tool queries WHOIS and RDAP databases to return structured registration and DNS information.
Business model
free
Status
launched