Rechercher une fonction PHP

checkdnsrr

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(PHP 4, PHP 5, PHP 7)

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

Description

checkdnsrr ( string $host [, string $type = "MX" ] ) : bool

Searches DNS for records of type type corresponding to host.

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Parameters

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.

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Return Values

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

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Changelog

Version Description
5.3.0 This function is now available on Windows platforms.
5.2.4 TXT type was added.

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Notes

Note:

For compatibility with Windows before this was implemented, then try the » PEAR class » Net_DNS.

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See Also

  • dns_get_record() - Fetch DNS Resource Records associated with a hostname
  • getmxrr() - Get MX records corresponding to a given Internet host name
  • gethostbyaddr() - Get the Internet host name corresponding to a given IP address
  • 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
  • the named(8) manual page

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Document created the 30/01/2003, last modified the 26/10/2018
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References

  1. View the html document Language of the document:fr Manuel PHP : http://php.net

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