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Author Archive: firstdns

Reverse Zone file

I keep reading about the combination of the reversed IP ie 1.16.172-IN-ADDR.ARPA in combination with the PTR record, in which the host bits are listed to complete the 4 octets of the address for which the reverse lookup will be possible.

I was wondering what would be the case if the particular hostname being referenced in the PTR record was not on the same subnet, ie the two addresses which I need to be able to reverse lookup are 172.16.10.1 and 172.16.20.1 ?

submitted by /u/brutus_the_bear
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