Essential DNS Troubleshooting with Dig Commands
Master DNS troubleshooting and domain analysis using the powerful dig command-line tool.
Query the default A record for a domain:
dig google.com
Target a specific DNS server for your queries:
dig @8.8.8.8 google.com
This is useful for:
- Testing different DNS providers
- Bypassing local DNS cache
- Troubleshooting DNS propagation
Get comprehensive DNS information for a domain:
dig google.com ANY
Mail Exchange (MX) records:
dig MX google.com
Name Server (NS) records:
dig NS google.com
Text (TXT) records:
dig TXT google.com
AAAA records (IPv6):
dig AAAA google.com
Perform a complete DNS resolution trace from root servers:
dig google.com +trace
This command shows the complete path of DNS resolution, helping identify where delays or failures occur in the DNS hierarchy.
Get concise results without additional information:
dig google.com +short
Find the domain name associated with an IP address:
dig -x 8.8.8.8