Klaus Darilion wrote on 2019-04-25 14:08: > ... > > Can someon recommend a DNS library (Perl, Python or PHP preferred) that > supports: > - async resolving > - setting DO bit > - EDNS0 options > - proper timeout handling > - sending queries to non-standard ports > - (optional: TCP fallback) https://getdnsapi.net/ -- P Vixie