Method Protocols.DNS.tcp_client()->do_sync_query()

Method do_sync_query

mapping|zero do_sync_query(string s)

Description

Perform a synchronous DNS query.

Parameter s

Result of Protocols.DNS.protocol.mkquery

Returns

mapping containing query result or 0 on failure/timeout

Example

// Perform a hostname lookup, results stored in r->an
    object d=Protocols.DNS.tcp_client();
    mapping r=d->do_sync_query(d->mkquery("pike.lysator.liu.se", C_IN, T_A));