Shulou(Shulou.com)06/03 Report--

Reverse resolution introduction: reverse resolution: look up the domain name according to the IP address and resolve the specified IP address to the corresponding domain name. Reverse resolution of domain names is not very common and can only be used in some special situations, such as anti-spam verification.

1. First modify the main configuration file by modifying the following two places (path / etc/named.conf)

two。 Configure the area profile to configure the following two places (path / etc/named.rfc1912.zones)

3. Create a yun.com.local file in / var/named/ and edit it as follows (PTRf reverse parsing)

4. Test with the host command (if the test is unsuccessful, restart the service, turn off the firewall)

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