Hi Mark, If your target server has tcp port, you can create SRV record, DNS server will do the healthcheck and failover accordingly. I think you can try this!!!
Regards, Naveen -----Original Message----- From: bind-users-bounces+naveen.kumar32=vodafone....@lists.isc.org [mailto:bind-users-bounces+naveen.kumar32=vodafone....@lists.isc.org] On Behalf Of Mark Andrews Sent: Tuesday, November 26, 2013 4:27 AM To: Paweł Ch. Cc: bind-users Subject: Re: script - automatic change A record In message <cab9egsx4vd4zmaaty_r_8kdxcwswp1ig7wssek+xg-k83_o...@mail.gmail.com> , =?UTF-8?B?UGF3ZcWCIENoLg==?= writes: > 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 > #!/bin/sh while : do if ping -c 5 -t 5 1.2.3.4 then nsupdate << EOF update del host.example.net A update add host.example.net 30 A 1.2.3.4 send EOF elif ping -c 5 -t 5 1.2.3.5 nsupdate << EOF update del host.example.net A update add host.example.net 30 A 1.2.3.5 send EOF else nsupdate << EOF update del host.example.net A update add host.example.net 30 A 1.2.3.4 update add host.example.net 30 A 1.2.3.5 send EOF fi sleep 60 done -- Mark Andrews, ISC 1 Seymour St., Dundas Valley, NSW 2117, Australia PHONE: +61 2 9871 4742 INTERNET: ma...@isc.org _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users Vodafone Group Services Limited, One Kingdom Street, Paddington Central, London W2 6BY. www.vodafone.com This message and any files or documents attached are confidential and may also be legally privileged, protected from disclosure and/or protected by other legal rules. It is intended only for the individual or entity named. If you are not the named addressee or you have received this email in error, please inform the sender immediately, delete it from your system and do not copy or disclose it or its contents or use it for any purpose. Thank you. Please also note that transmission cannot be guaranteed to be secure or error-free. _______________________________________________ Please visit https://lists.isc.org/mailman/listinfo/bind-users to unsubscribe from this list bind-users mailing list bind-users@lists.isc.org https://lists.isc.org/mailman/listinfo/bind-users
