dnsPromises.resolvePtr(hostname)

• hostname <string>

使用域名系统协议解析 hostname 的指针记录(PTR 记录)。当成功时,Promise 使用包含响应记录的字符串数组进行解决。

\Uses the DNS protocol to resolve pointer records (PTR records) for the hostname. On success, the Promise is resolved with an array of strings containing the reply records.