I have DYNU.com as my domain registrar and Full Email Service. However, I have a 3rd party to host my web site using my domain name. I have the DNS in the DYNU control Panel pointing to the nameservers of the 3rd party but, I believe I need the 3rd party to point the MX & TXT records back to DYNU.com. Has anybody been successful at this? Did the 3rd party have any issues with the MX records or TTL?