ARPA entries for a host with multiple IPs
Matus UHLAR - fantomas
uhlar at fantomas.sk
Thu Feb 26 09:13:22 UTC 2009
On 25.02.09 00:31, shulkae wrote:
> My customer requested to add multiple IPs to a single name so that he
> can use the round-robin feature of BIND to load-balance the service.
>
> The entry we added looks something as below:
>
> # more db.myzone
> ..
> ..
> ws <ip1> <ip2> <ip3>
What is this? some specialized format that is exported to BIND format?
$ORIGIN myzone.
ws A a1.b1.c1.d1
ws A a2.b2.c2.d2
ws A a3.b2.c3.d3
> So when my customer query the ws, he gets one of ipX any any given
> time.
they apparently get all entries but in different order...
> They never requested anything for updating ARPA entries for the above.
You apparently mean "reverse" entries.
> What would be the ARPA entries for each of these? ip1, ip2 and ip3?
> Can I add 'ws' for each of these?
You can put records into reverse zones:
$ORIGIN c1.b1.a1.in-addr.arpa.
d1 PTR ws.myzone.
$ORIGIN c2.b2.a2.in-addr.arpa.
d2 PTR ws.myzone.
$ORIGIN c3.b3.a3.in-addr.arpa.
d3 PTR ws.myzone.
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