A Python-based script to update dynamic DNS records when using the Hurricant Electric DNS service at dns.he.net. This code is designed to be maximally portable by relying on standard Python 3 libraries. It is not compatible with Python 2.

usage: he-dyndns [-h] [--v4] [--v6] [--addr4 ADDR4] [--addr6 ADDR6] [--key KEY] [--debug] record

Update Hurricane Electric DNS dynamic record

positional arguments:
  record             DNS record to update

optional arguments:
  -h, --help         show this help message and exit
  --v4               Update IPv4 A record (default)
  --v6               Update IPv6 AAAA record
  --addr4 ADDR4      Update A record with provided IP rather than detected IP
  --addr6 ADDR6      Update AAAA record with provided IP rather than detected IP
  --keyfile KEYFILE  Alternate location for key config file (default /etc/he-dns-secret.conf)
  --key KEY          HE DDNS key for record (by default read from /etc/he-dns-secret.conf or --keyfile)
  --debug            Enable debug logging

Code available at https://code.mfamily.org/ddns-utils