nsupdate
- Adjusting the TTL on domain records
- Using nsupdate to change NS servers
- Adding IPv6 to an Nginx website on FreeBSD / FreshPorts
- acme.sh: getting free SSL certificates – installation configuration on FreeBSD
- Configuring my BIND/named DNS servers to operate from a hidden master via VPN for Let’s Encrypt
- Creating a TXT only nsupdate connection for Let’s Encrypt
- OpenVPN and dynamic DNS