>>17454250 OP >http protocol off arpa
The ARPA Host Name Server Protocol (NAMESERVER[1]), is an obsolete
network protocol used in translating a host name to an Internet address. IANA Transmission Control Protocol (TCP) and User
Datagram Protocol (UDP) port 42 for NAMESERVER; this port is more
commonly used by the Windows Internet Name Service (WINS) on
Microsoft operating systems.
https://en.m.wikipedia.org/wiki/ARPA_Host_Name_Server_Protocol