Developer needs DNS help:

[Len Conrad]

>I am a .net programming developing a control that will eventually make its
>way into a mail server application.  Since I must query the server for the
>MX I went all out and tried to follow the RFCs for design.  What normally
>goes into txt data?

"normally" nothing, TXT records are rarely used.

query 100 domains for "any" and see how many have TXT records.

>Based on the RFC's is there any reason I should support
>MB, MG, MINFO, MR or NULL requests?  These all show as being experimental.

http://www.networksorcery.com/enp/protocol/dns.htm

Len