Useful for checking DNS propagation with Google Public DNS and OpenDNS after migrating servers

checkdns

#!/bin/bash
# checkdns
# A very simple dig tool for checking DNS propagation with Google Public DNS and OpenDNS after migrating servers
#
# INSTRUCTIONS
# Put this in your ~/bin folder, make it executable and run it by typing "checkdns" in your command line

read -p "Enter domain: " domain

# Google Public DNS
dig @8.8.8.8 $domain | grep -a1 'ANSWER SECTION'
dig @8.8.4.4 $domain | grep -a1 'ANSWER SECTION'

# OpenDNS
dig @208.67.220.220 $domain | grep -a1 'ANSWER SECTION'
dig @208.67.222.222 $domain | grep -a1 'ANSWER SECTION'

# Streamyx, a Malaysian ISP
dig @202.188.0.133 $domain | grep -a1 'ANSWER SECTION'
dig @202.188.1.23 $domain | grep -a1 'ANSWER SECTION'