Show HN: A simple-to-update dynamic DNS service

Re:Show HN: A simple-to-update dynamic DNS service by ivan_ah on Tuesday June 17, 2014 @05:50PM (#7907243)

Nice! Setting up my server to update every hour was as simple as:

   crontab -e

and adding the line:

   31 * * * * curl http://dhcp.io/set/99351a76-f6...

(the above job will run on the 31st minute of every hour)

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Re:Show HN: A simple-to-update dynamic DNS service by stevekemp on Tuesday June 17, 2014 @06:08PM (#7907333)

Cool.

I suspect that you'll want to hide STDOUT, if not STDERR. If you're ever dual-homed you might also want to consider adding an explicit "-4", or "-6" in there.

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Re:Show HN: A simple-to-update dynamic DNS service by yohanatan on Tuesday June 17, 2014 @06:01PM (#7907301)

Do you really want to have to wait up to an hour if your IP address changes and you're away from home?

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Re:Show HN: A simple-to-update dynamic DNS service by desufnoc on Tuesday June 17, 2014 @06:17PM (#7907379)

I wonder if there's any utilities that use UPnP or NAT-PMP to monitor for an address change and invoke a script when one is detected.

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Re:Show HN: A simple-to-update dynamic DNS service by firvulag on Wednesday June 18, 2014 @05:30AM (#7909185)

Last time I did this on Linux, it was in an if.up script, so when the PPP interface comes up it updates the DNS.

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