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# checkdnsrr

checkdnsrr -- Check DNS records corresponding to a given Internet host name or IP address.

## Description

`int checkdnsrr`(string host, string [type]);

Searches DNS for records of type `type` corresponding to `host`. Returns true if any records are found; returns false if no records were found or if an error occurred.

`type` may be any one of: A, MX, NS, SOA, PTR, CNAME, or ANY. The default is MX.

`host` may either be the IP address in dotted-quad notation or the host name.

See also getmxrr(), gethostbyaddr(), gethostbyname(), gethostbynamel(), and the named(8) manual page.

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