How to split a file based on pattern line number? Post: 302889151

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LEARN ABOUT PHP

checkdnsrr

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.

PHP Documentation Group 													     CHECKDNSRR(3)

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