IsHostedBy.com - IsHostedBy is a website where you can lookup where certain websites are hosted.
CubDomain - CubDomain.com is the site to check website's statistics, Information, Whois Record, Hosting...
DomainTools - Domain name research, including comprehensive Whois Lookup, Reverse Whois Lookup and Whois History.
DNS Checker Tool - Check Domain Name System (DNS) records for any website.
Website Informer - Website.informer: complete data lookup & free aggregated report on any domain including whois, visitors, IP & DNS details, competitors, owners, etc
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.