Network Tools
Look up CNAME DNS records for any domain.
Use this CNAME lookup tool to check canonical name records for a domain or subdomain. It is useful for DNS troubleshooting, CDN setup, domain verification, platform integrations, and checking alias-based hostnames.
Use this CNAME lookup tool to check canonical name records for a domain or subdomain. It is useful for DNS troubleshooting, CDN setup, domain verification, platform integrations, and checking alias-based hostnames.
Use cname lookup when you need a fast browser-based result without extra setup. It works well for quick checks, one-off tasks, and routine formatting or calculation work.
Read step-by-step usage guidance, best practices, and common mistakes.
See common questions and answers about input, output, and tool usage.
Review practical input and output examples before running the tool.
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Input
www.example.com
Output
CNAME target if present
Checks whether the hostname is configured as an alias.
Fix: Check whether the specific DNS provider or host supports CNAME at that level.
Fix: Use A or AAAA lookup if you want direct address records.
Fix: Check the host with a broader DNS tool if you are unsure which record type is configured.
A CNAME record points one hostname to another hostname instead of directly to an IP address.
Yes. You can enter a full subdomain like www.example.com.
It is useful for domain aliases, CDN setup, verification flows, and troubleshooting DNS alias chains.
Yes. It works online in the browser.
Use CNAME lookup when you want to see whether a hostname aliases to another hostname. Use an A-record check when you want direct IPv4 address mapping.