jeffaco/msft-updatedns

Automated DNS host maintenance

msft-updatedns's Issues

Does not handle re-run/move

I ran ./updatedns.sh --configure -v which put an entry in my crontab, but then I moved the msft-updatedns folder and re-ran it. Instead of updating (i.e. deleting and replacing) the previous entry, it just added a second entry. Since the first entry was invalid, cron emailed me failures.

Disallow registering localhost*

I ran updatedns.sh before setting hostname (for some reason the CentOS installer didn't let me set it, and then I forgot), which then registered localhost.localdomain with scx.com. I figured the record would expire pretty quick, but it perhaps caused the AIX problem.

Anyway, should be a simple fix to refuse to register localhost*.

Need to update PTR records as well, if possible

updatedns should try and update PTR records, if they are known and allowed by the DNS server.

This is done via nsupdate, with commands like this:

update delete ${LAST}.${REV}.in-addr.arpa PTR
update add ${LAST}.${REV}.in-addr.arpa 86400 PTR ${HOST}.scx.com.

REV is the first part of the IP reversed so 10.193.247.10, means LAST=10 and REV=247.193.10.