1.3. Find the "minimum no TC" size by parsing the response,
clearing the additional section, re-encoding into
compressed wire format, then recording the size. Because
of the way the dnspython dns.message class works, the OPT
1.3. Find the "minimum no TC" size by parsing the response,
clearing the additional section, re-encoding into
compressed wire format, then recording the size. Because
of the way the dnspython dns.message class works, the OPT