reverse dns problems

Michael Kjorling michael at kjorling.com
Sun Aug 5 20:51:01 UTC 2001


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And how would you go about resolving names in the 208.21.15.0/25
network, when your server is set as authorative for reverse DNS on
208.21.15.128/25 and in effect all of 208.21.15/24?


Michael Kjörling


On Aug 5 2001 10:01 +0100, Jonathan de Boyne Pollard wrote:

> AK> What Sprint has done is force its customer to create 128
> AK> separate zone files - one for each PTR, e.g.,
>
> This is not true.  Sprint isn't forcing its customers to do this at
> all, because there is a way for its customers to set things up with
> a single zone file should they want to.
>
> <URL:http://homepages.tesco.net./~J.deBoynePollard/FGA/avoid-rfc-2317-delegation.html>
>
> --------------------------------------------------------------------
> $TTL 1D
> $ORIGIN 15.21.208.in-addr.arpa.
> @      IN SOA    ns1.mfin.com. ed.alcpress.com. ( 1 3H 1H 1W 10M )
>        IN NS     ns1.mfin.com.
> 128    IN PTR    some.domain.name.
> 128    IN NS     ns1.mfin.com.
> 129    IN PTR    some.domain.name.
> 129    IN NS     ns1.mfin.com.
> 130    IN PTR    some.domain.name.
> 130    IN NS     ns1.mfin.com.
> 131    IN PTR    some.domain.name.
> 131    IN NS     ns1.mfin.com.
> ....

- -- 
Michael Kjörling - michael at kjorling.com - PGP: 8A70E33E
Manager Wolf.COM -- Programmer -- Network Administrator
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