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checkdnsrr()

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

Syntax

bool checkdnsrr (string $host, string $type)

Arguments

  • host - host may either be the IP address in dotted-quad notation or the host name.
  • type - type may be any one of: A, MX, NS, SOA, PTR, CNAME, AAAA, A6, SRV, NAPTR, TXT or ANY.

Description

Searches DNS for records of type type corresponding to host.

Version

PHP 4, 5

Return value

Returns TRUE if any records are found; returns FALSE if no records were found or if an error occurred.