Services — Dynamic DNS | pfSense Documentation
docs.netgate.com › pfsense › enSep 04, 2020 · 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. Any number of Dynamic DNS clients may be configured using any of over 20 different Dynamic DNS providers, or even custom Dynamic DNS providers.