WHOIS Lookup - Domain Lookup and Availability Checker

You could find the IP addresses currently used by a domain by doing a DNS lookup. For example with dig A www.example.com gives you all IPv4 addresses the DNS server returns for this domain and dig AAAA www.example.com the IPv6 addresses. But you need to be aware that getting the IP address this way and then configure blocking based on this has serious problems because: Domain IP Lookup Tool, Convert any domain into IP address This Domain IP Lookup Tool is very easy to use, all you have to do is to enter the domain (URL) that you want to look for IP address; then, click on the “Check” button. You can enter up to 10 domains in the space provided. Our reliable IP lookup tool will generate the results and show it to you right away. Just one click is all it takes Free Whois Lookup - Whois IP Search & Whois Domain Lookup An IP is a unique address of a server on the internet. Similar to how a telephone number allows you to connect to a specific phone on the telecom network, similarly, an IP address allows your computer to connect to a specific server on the internet. Domain names and IP numbers are the framework upon which the entire world wide web is built.

You could find the IP addresses currently used by a domain by doing a DNS lookup. For example with dig A www.example.com gives you all IPv4 addresses the DNS server returns for this domain and dig AAAA www.example.com the IPv6 addresses. But you need to be aware that getting the IP address this way and then configure blocking based on this has serious problems because:

How you can find out the name and IP address of the AD How you can find out the name and IP address of the AD domain controller on your network. You can use Nslookup is a command-line tool that displays information you can use to diagnose Domain Name System (DNS) infrastructure. Click Start, and then click Run. In the Open box, type cmd. Type nslookup, and then press ENTER. Find out the domain name associated with an IP number in Unix

Find out what your public IPv4 and IPv6 address is revealing about you! My IP address information shows your location; city, region, country, ISP and location on a map. Many proxy servers, VPNs, and Tor exit nodes give themselves away.

Find all the domains hosted on a given IP address. Track the domains that come and go on a competitors IP address. Expand research on a target domain name—By using Reverse IP Lookup you can often find other domains owned by a given individual.