zhimsel/r53_dns_updater

Updates a Route53 DNS record to your current public IP address

r53-dns-updater

r53_dns_updater will keep an AWS Route53 DNS record up-to-date against the actual public IP of the host it's run on.

This means it can be used as a cheap and easy way to keep a DNS record pointed towards your non-static home network IP.

Usage

Simply run r53_dns_updater --help for usage information and important notes.

r53_dns_updater is intended to be run via a scheduler (like cron). Simply run it however often you want, and it'll do the rest.

Installation

r53_dns_updater requires only python3 and a few pip modules. Simply run pip install -r requirements.txt and run the script!

Configuration

This script uses boto3, which assumes your AWS credentials are in at least one of a few locations. The easiest way is to set environment variables, but there are a number of other configuration methods. For further instruction on setting up your AWS credentials, see this documentation: http://boto3.readthedocs.io/en/latest/guide/configuration.html

r53_dns_updater's Issues

r53-dns-updater still occasionally gets public IP as 8.8.8.8

This was supposed to have been fixed in ef403bb; it did greatly reduce the frequency of this error, but it still does happen (every few days now, instead of multiple times per day).

I'm thinking the easiest way is to simply blacklist 8.8.8.8 as a possible public IP, but I'm hesitant to hard-code anything like that. I'll have to think about some other options.