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by nailer 2900 days ago
> By name servers they mean DNS.

Yeah I know. Hence mentioning record types in the question you're reponding to. But yes, that wikipedia page has some info:

> WKS: Record to describe well-known services supported by a host. Not used in practice. The current recommendation and practice is to determine whether a service is supported on an IP address by trying to connect to it. SMTP is even prohibited from using WKS records in MX processing.[12]