CNAME records allow one hostname to point to another hostname instead of directly to an IP address. They are commonly used for subdomains, SaaS integrations, and third-party service connections.
A CNAME record aliases one hostname to another. For example, a subdomain such as shop.example.com may point to a service-specific hostname managed by a platform provider.
CNAME lookups are useful when connecting website builders, landing pages, help desks, CDNs, email tracking systems, and custom SaaS subdomains.
Look for the destination hostname returned in the DNS result. Confirm that it exactly matches the hostname your provider told you to use.
Typical issues include wrong target values, CNAME conflicts with other record types, attempts to use CNAME in unsupported root-domain cases, and delays while DNS propagates.
Once you understand what to look for, run a live check using the tool below.
Launch DNS LookupA CNAME record points one hostname to another hostname rather than directly to an IP address.
They are commonly used for subdomains and third-party service integrations.
This page explains the purpose of the check, what results mean, and what problems to watch for before you run the live tool.
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