CNAME and MX
Bill Manning
bmanning at ISI.EDU
Wed Apr 12 17:10:45 UTC 2000
% >First of all, why are you supposed to have only one A record for each IP
% >address? Is that actually stated by the RFC?
%
% No, but it does make it easier to do a PTR record. There can only be 1 PTR
% record per IP address. Having a 1 to 1 mapping does simplified tracking a
% bit.
%
% [ Rodrick Su [ ]
% [ rsu at tigana.com [ I might be crazier than you think. ]
And he did err, not knowing the documentation.
There can be multiple PTR records as well. For most,
they are of limited usefulnes.
--bill
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