On Sun, 2010-05-16 at 11:02 +0100, Martin A. Brooks wrote: > What's an RR?
The correct term for a Resource Record, ie. a primitive in a DNS zone. > Assuming you mean "reverse record", surely a "PTR RR" is just an A record > and a "A RR" is actually just a PTR? No. An A RR is the proper name for an "A record", PTR RR "PTR record" and so on. > The concept of a "MX RR" is pointless, as an MX is just a special case of > an A record. No it isn't. An MX RR has a metric (weight) associated with it, as well as name and data. An A RR has only name and data. Also of note is that an MX RR cannot have an IP address in the data field (not that it stops people putting them in). Graeme -- ## List details at http://lists.exim.org/mailman/listinfo/exim-users ## Exim details at http://www.exim.org/ ## Please use the Wiki with this list - http://wiki.exim.org/
