[mm] How is DNSSEC
Ben Laurie
ben at links.org
Sat Mar 22 11:52:49 EDT 2008
bmanning at vacation.karoshi.com wrote:
> On Sat, Mar 22, 2008 at 02:46:40PM +0000, Ben Laurie wrote:
>> bmanning at vacation.karoshi.com wrote:
>>> Er... Allow me the option o fdisbeleiving your assertion.
>>> PTR records can and do point to mutiple names. Some narrow
>>> implementations have assumed that there will only be a single
>>> data element and this myth - that PTRs only point to a single
>>> name - is and has been spread widely.
>> You can disbelieve my assertion if you wish, but I am only quoting the
>> RFC. RFC 1035, to be precise:
>>
>> "Address nodes are used to hold pointers to primary host names
>> in the normal domain space."
>>
>> (section 3.5. IN-ADDR.ARPA domain). So, the "myth" is in the scripture.
>
>
> ah... open to interpretation. what is a "primary" host name?
RFC 1035 does not say, in the case of hosts, but the intent is quite
clear from the text on gateways:
"Gateways will often have two names in separate domains, only one of
which can be primary."
--
http://www.apache-ssl.org/ben.html http://www.links.org/
"There is no limit to what a man can do or how far he can go if he
doesn't mind who gets the credit." - Robert Woodruff
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