![]() I f a domain has a PTR record, we can do an rDNS Lookup by using one of the methods noted below. The PTR record includes the “forward hostname” of the location where the IP is being utilized in the regular, or forward DNS mapping. This method of reverse DNS resolution of an IP address uses a PTR record.If you like to use a different DNS server to perform the query, specify it in the command line as The following example uses as the DNS server to get the answer (instead of using the DNS servers from the /etc/nf file). By default dig uses the DNS servers defined in your /etc/nf file. What makes it work, though, is for each dynamic DNS host name you provide, you get an auto-generated user name and password that needs to be part of the POST. Google’s Dynamic DNS API is really little less than a HTTPS POST to a specific URL with some parameters packed into the post. Using PowerShell to update your Dynamic DNS Record.
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