resolve('reactphp.org')->then(function ($ip) { * echo 'IP for reactphp.org is ' . $ip . PHP_EOL; * }); * ``` * * This is one of the main methods in this package. It sends a DNS query * for the given $domain name to your DNS server and returns a single IP * address on success. * * If the DNS server sends a DNS response message that contains more than * one IP address for this query, it will randomly pick one of the IP * addresses from the response. If you want the full list of IP addresses * or want to send a different type of query, you should use the * [`resolveAll()`](#resolveall) method instead. * * If the DNS server sends a DNS response message that indicates an error * code, this method will reject with a `RecordNotFoundException`. Its * message and code can be used to check for the response code. * * If the DNS communication fails and the server does not respond with a * valid response message, this message will reject with an `Exception`. * * Pending DNS queries can be cancelled by cancelling its pending promise like so: * * ```php * $promise = $resolver->resolve('reactphp.org'); * * $promise->cancel(); * ``` * * @param string $domain * @return \React\Promise\PromiseInterface * resolves with a single IP address on success or rejects with an Exception on error. */ public function resolve($domain); /** * Resolves all record values for the given $domain name and query $type. * * ```php * $resolver->resolveAll('reactphp.org', Message::TYPE_A)->then(function ($ips) { * echo 'IPv4 addresses for reactphp.org ' . implode(', ', $ips) . PHP_EOL; * }); * * $resolver->resolveAll('reactphp.org', Message::TYPE_AAAA)->then(function ($ips) { * echo 'IPv6 addresses for reactphp.org ' . implode(', ', $ips) . PHP_EOL; * }); * ``` * * This is one of the main methods in this package. It sends a DNS query * for the given $domain name to your DNS server and returns a list with all * record values on success. * * If the DNS server sends a DNS response message that contains one or more * records for this query, it will return a list with all record values * from the response. You can use the `Message::TYPE_*` constants to control * which type of query will be sent. Note that this method always returns a * list of record values, but each record value type depends on the query * type. For example, it returns the IPv4 addresses for type `A` queries, * the IPv6 addresses for type `AAAA` queries, the hostname for type `NS`, * `CNAME` and `PTR` queries and structured data for other queries. See also * the `Record` documentation for more details. * * If the DNS server sends a DNS response message that indicates an error * code, this method will reject with a `RecordNotFoundException`. Its * message and code can be used to check for the response code. * * If the DNS communication fails and the server does not respond with a * valid response message, this message will reject with an `Exception`. * * Pending DNS queries can be cancelled by cancelling its pending promise like so: * * ```php * $promise = $resolver->resolveAll('reactphp.org', Message::TYPE_AAAA); * * $promise->cancel(); * ``` * * @param string $domain * @return \React\Promise\PromiseInterface * Resolves with all record values on success or rejects with an Exception on error. */ public function resolveAll($domain, $type); }