script - automatic change A record

[Paweł Ch.]

Hi list,

I would like to write script that change two entry in my zone file: SOA and
A record.

I have 2 web site: mail site site1.tld and backup site site2.tld. Script
should monitor site1.tld and when site is unavailable it should change A
record in zone file to indicate to site2.tld. If site1.tld is available
again then A record should indicate to it.
Script should change SOA serial number.

Please help with writing a script.

pch0317
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