IsHostedBy.com - IsHostedBy is a website where you can lookup where certain websites are hosted.
Whats My DNS - Instantly check your domain names current IP address and DNS record information against multiple name servers located in different parts of the world.
CubDomain - CubDomain.com is the site to check website's statistics, Information, Whois Record, Hosting...
DNSChecker.org - Check DNS Propagation worldwide. DNS Checker provides name server propagation check instantly. Changed nameservers so do a DNS lookup and check if DNS and nameservers have propagated.
Prepostseo DNS Propagation Checker - Prepostseo DNS Propagation Checker is an online tool that allows you to perform a DNS lookup to check the domain name server records against your own website or any other domain, no matter where the servers are located.
NsLookup.io - A simple and powerful tool for querying DNS records