Method Protocols.DNS.protocol()->mkquery()

Method mkquery

string mkquery(string|mapping dnameorquery, int|void cl, int|void type)

Description

create a DNS query PDU

Parameter dnameorquery

Parameter cl

record class such as Protocols.DNS.C_IN

Parameter type

query type such Protocols.DNS.T_A

Returns

data suitable for use with Protocols.DNS.client.do_sync_query

Example

// generate a query PDU for a address lookup on the hostname pike.lysator.liu.se
 string q=Protocols.DNS.protocol()->mkquery("pike.lysator.liu.se", Protocols.DNS.C_IN, Protocols.DNS.T_A);