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DNS is the Domain Name System, a hierarchical, distributed database to map various information together, such as hostnames to IP addresses. The name is also used as a synonym for nameservers, the specific servers delivering the DNS feature. This tag should be used for all issues about configuration of DNS systems or troubleshooting problems in names resolution.

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Can Googlebot discover a new subdomain through a DNS CNAME chain?

This is my only domain that is "out there" in the wild. www.example.com is configured in DNS using a CNAME which points to another domain, which finally points to an IP. … Does Googlebot look at DNS CNAME chains and speculatively try to crawl content on those intermediate domains? …
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