CHECKDNSRR(3) 1 CHECKDNSRR(3)
checkdnsrr - Check DNS records corresponding to a given Internet host name or IP address
SYNOPSIS
bool checkdnsrr (string $host, [string $type = "MX"])
DESCRIPTION
Searches DNS for records of type $type corresponding to $host.
PARAMETERS
o $host
-$host may either be the IP address in dotted-quad notation or the host name.
o $type
-$type may be any one of: A, MX, NS, SOA, PTR, CNAME, AAAA, A6, SRV, NAPTR, TXT or ANY.
RETURN VALUES
Returns TRUE if any records are found; returns FALSE if no records were found or if an error occurred.
CHANGELOG
+--------+---------------------------------------------------+
|Version | |
| | |
| | Description |
| | |
+--------+---------------------------------------------------+
| 5.3.0 | |
| | |
| | This function is now available on Windows plat- |
| | forms. |
| | |
| 5.2.4 | |
| | |
| | TXT $type was added. |
| | |
+--------+---------------------------------------------------+
NOTES
Note
For compatibility with Windows before this was implemented, then try the PEAR class Net_DNS.
SEE ALSO
dns_get_record(3), getmxrr(3), gethostbyaddr(3), gethostbyname(3), gethostbynamel(3), the named(8) manual page.
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