DNS Stuff: DNS tools, DNS hosting tests, WHOIS, traceroute, ping, and other network and domain name tools.
from Diigo
Whois Index - Whois Lookup Tool
Instant Domain Search
CoolWhois.com - the WHOIS that lets you search any domain!
Allwhois.com
DNSGoodies.com - DNS tools, WHOIS, Open Relay Test, Reverse DNS, Spam Database Check, traceroute, ping and other utilities.
DNSCog - DNS reporting and diagnostic tools
SmartWhois
Online Free Network tools lookup:IP,Domains,Emails,Trace,Ping,DNS, etc.
One API 4 SMS - API to Send SMS and Receive SMS by Long Code and Short Code
savedwebhistory.org - We Save Web History For You
Introducing the Beta Launch of the New ICANN WHOIS Lookup Tool
Whoisology - Advanced Reverse Whois Lookups
WHOIS Service
Easy to download entire whois database / listing of registered domain names?
Bulk Whois Lookup. Bulk Whois Check. BulkSeoTools.com
How to Keep a Domain Registration Private | Domain Investing
Interesting Whois Domain Name Stats
Namecheap Launches RespectOurPrivacy.com | DomainInvesting.com
Private Whois Emails Sometimes Don't Work | DomainInvesting.com
WHOIS Search, Domain Name, Website, and IP Tools - Who.is
Anonymize.com - Your Domain Name Online Identity & WHOIS information is safe with us
Do private domain registration providers care about your privacy?
GWhois.org
domainIQ - Bulk Whois IP Research Tool
WHOIS - Search the WHOIS Database - Free Service from epik.com
.bible Registry Whois
ViewDNS.info - Your one source for DNS related tools!
Will May 2018 be the death of Whois? - Domain Name Wire | Domain Name News & Views
Whois database Download | Daily Updated | FTP Access