checkdnsrr
(PHP 4, PHP 5)
checkdnsrr — Check DNS records corresponding to a given Internet host name or IP address
Descrierea
int checkdnsrr
( string $host
[, string $type
] )
Searches DNS for records of type type corresponding to host .
Parametri
- 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. The default is MX.
Valorile întroarse
Returns TRUE if any records are found; returns FALSE if no records were found or if an error occurred.
Istoria schimbărilor
Versiunea | Descriere |
---|---|
5.2.4 | TXT type was added. |
5.0.0 | AAAA type was added. |
Vedeţi de asemenea
- dns_get_record()
- getmxrr()
- gethostbyaddr()
- gethostbyname()
- gethostbynamel()
- the named(8) manual page