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DNS tools

Troubleshooting DNS? We've compiled a list of recommended tools to help you check DNS records, diagnose issues, and speed up problem-solving.
Domain Name System DNS
2 min read

Overview

Need help with DNS? When managing a website or domain, DNS tools can help you check records, diagnose issues, and speed up problem-solving. This guide introduces tools, some created by our team and others publicly available, that you can use to test and review your DNS settings.

Public Tools by Liquid Web and Nexcess

These publicly available tools are built and maintained by Liquid Web or Nexcess:

Liquid Web DNS Tree Viewer
https://tools.liquidweb.com/dns
Visualize all essential DNS records for a domain in a tree-style layout.

DNS Checker (Nexcess)
https://nexcess.net/web-tools/dns-checker
Check A, CNAME, MX, and other key DNS records from a single interface.

Find Your IP Address

Use any of these URLs to quickly check your public IP address:

These trusted third-party tools are free and offer advanced DNS checking features. Some include ads.

dnschecker.org
See how your DNS records are propagating globally. Great for checking updates after making DNS changes.

dnssy.com
Run a full diagnostic on your domain’s DNS. It flags issues and suggests ways to improve speed and security.

digwebinterface.com
Use the dig command from a web browser. Ideal when you don’t have terminal access.

internic.net
Look up registration and contact details for a domain name.

intodns.com
Check your DNS health. This tool finds problems like missing records or bad setups.

ipinfodb.com
Find out where an IP address is located, who owns it, and more.

mxtoolbox.com
Check your email records, SPF, DKIM, DMARC, and see if your domain is on any blacklists.

whatsmydns.net
Another great tool for watching global DNS propagation in real-time.

Using Whois

Whois is a powerful tool that helps you look up information about a domain name. With it, you can find out:

  • Who the domain is registered to (or “rented” by)
  • Which registrar manages the domain
  • Contact details for the technical and administrative owners
  • The domain’s nameservers
  • DNSSEC (DNS Security Extensions) status
  • When the domain is set to expire

This tool is especially helpful when you’re troubleshooting DNS or verifying ownership details.

Want to learn more? Check out our full guide: Using the whois command.

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