Update dnsimple.com using domain token and record ID (more secure than storing username and password in script)

update.sh

#!/bin/bash

DOMAIN_ID="yourdomain.com"
RECORD_ID="9348341"
DOMAIN_TOKEN="8339c723c223445f6c876bca3fafffd3345"
IP="`curl http://ipv4.icanhazip.com/`"
JSON="{\"record\":{\"content\":\"$IP\"}}"

curl  -H "X-DNSimple-Domain-Token: $DOMAIN_TOKEN" \
      -H "Accept: application/json" \
      -H "Content-Type: application/json" \
      -X PUT -d $JSON \
      https://api.dnsimple.com/v1/domains/$DOMAIN_ID/records/$RECORD_ID