def __init__(self, rmailbx=b'', emailbx=b'', ttl=None):
        """
        @param rmailbx: See L{Record_MINFO.rmailbx}.
        @type rmailbx: L{bytes} or L{unicode}

        @param emailbx: See L{Record_MINFO.rmailbx}.
        @type emailbx: L{bytes} or L{unicode}
        """
        self.rmailbx, self.emailbx = Name(rmailbx), Name(emailbx)
        self.ttl = str2time(ttl)

        @param rmailbx: See L{Record_MINFO.rmailbx}.
        @type rmailbx: L{bytes} or L{unicode}

        @param emailbx: See L{Record_MINFO.rmailbx}.
        @type emailbx: L{bytes} or L{unicode}
        
stackoverflow/venv/lib/python3.6/site-packages/twisted/names/dns.py