getmxrr
(PHP 4, PHP 5, PHP 7, PHP 8)
getmxrr — Get MX records corresponding to a given Internet host name
Description
$hostname, array &$hosts, array &$weights = null): bool
Searches DNS for MX records corresponding to
hostname.
Parameters
-
hostname -
The Internet host name.
-
hosts -
A list of the MX records found is placed into the array
hosts. -
weights -
If the
weightsarray is given, it will be filled with the weight information gathered.
Return Values
Returns true if any records are found; returns false if no records
were found or if an error occurred.
Notes
Note:
This function should not be used for the purposes of address verification. Only the mailexchangers found in DNS are returned, however, according to » RFC 2821 when no mail exchangers are listed,
hostnameitself should be used as the only mail exchanger with a priority of0.
Note:
For compatibility with Windows before this was implemented, then try the » PEAR class » Net_DNS.
See Also
- checkdnsrr() - Check DNS records corresponding to a given Internet host name or IP address
- dns_get_record() - Fetch DNS Resource Records associated with a hostname
- gethostbyname() - Get the IPv4 address corresponding to a given Internet host name
- gethostbynamel() - Get a list of IPv4 addresses corresponding to a given Internet host name
- gethostbyaddr() - Get the Internet host name corresponding to a given IP address
- the
named(8)manual page
