Services — Dynamic DNS | pfSense Documentation
docs.netgate.com › pfsense › enSep 04, 2020 · Dynamic DNS ¶ The Dynamic DNS client built into pfSense® software registers the IP address of a WAN interface with a variety of dynamic DNS service providers. This is used to remotely access services on hosts that have WANs with dynamic IP addresses, most commonly VPNs, web servers, and so on.