Medium CLI - A command line Interface for reading Medium stories
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.
Phunt - Product Hunt command line interface
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.
Mac CLi - OS X command line tools for developers
NsLookup.io - A simple and powerful tool for querying DNS records