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Route53 DNS Updater
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Route53 Dynamic DNS Updater

This tool leverages to detect your current external IP address, and updates a provided AWS Route53 A resource record set with that address.

Typically, you'll want to add this to a cron job

@daily java -jar dyndns.jar --hosted-zone $HOSTED_ZONE_ID --record-set $RECORD_SET

To find your Hosted Zone ID and Resource Record Set, you can use

aws route53 list-hosted-zones
aws route53 list-resource-record-sets --hosted-zone-id $HOSTED_ZONE_ID
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