PHP function checkdnsrr()
Availability in PHP 4.0
Check DNS records corresponding to a given Internet host name or IP address
Parameters
| Parameter | Data type | Default value | Note |
|---|---|---|---|
$host |
string |
not | host may either be the IP address in dotted-quad notation or the host name. |
$type |
string |
null | type may be any one of: A, MX, NS, SOA, PTR, CNAME, AAAA, A6, SRV, NAPTR, TXT or ANY. |
Return values
bool
true if any records are found; returns false if no records were found or if an error occurred.