Free-tier dynamic dns services

dynv6 is a dynamic DNS service for IPv4 and IPv6 addresses. It provides public hostnames for changing addresses and supports assigning hostnames to private hosts without manual NAT or port forwarding setup.

FreeDNS

FreeDNS is a hosted DNS management service from 1984 that lets users configure and manage domain zones through a web interface. It supports common record types including A, AAAA, CAA, CNAME, MX, SRV, TXT, SSHFP, DNSSEC, TLSA, web request forwarding, and Dynamic DNS.

ClouDNS

ClouDNS is a managed DNS hosting service that provides free and paid DNS zones through a web control panel. The free plan includes 4 unicast DNS servers, 1 DNS zone, 50 DNS records, 500K DNS queries per month, 1 mail forward, and 1 Dynamic DNS hostname.

noip.at DynDNS

noip.at DynDNS is a dynamic DNS service that updates hostnames to point to changing IP addresses. The landing page describes it as a free service with no tracking, no logging, and no advertising, and links to the source code on GitHub.

FreeDNS

FreeDNS is a DNS hosting service that provides free DNS, dynamic DNS, static DNS, subdomain hosting, and domain hosting. It supports automated IP updates through a sync endpoint, including IPv6 updates via the v6.sync.afraid.org host.

DNSExit

DNSExit provides DNS, remote access, email relay, domain, SSL, and hosting services from a single account. The service includes Dynamic DNS for keeping a hostname pointed at a changing IP address, man...

Zoneedit

Zoneedit provides DNS hosting, dynamic DNS, and domain management for domains the user owns. The free offering includes full-featured DNS management for most record types, along with URL redirection and email forwarding.

No-IP

No-IP is a DNS and remote access service that provides Dynamic DNS, managed DNS, domain registration, email, SSL certificates, and server monitoring. Its Dynamic DNS service updates hostnames to match...

Duck DNS

Duck DNS is a dynamic DNS service hosted on AWS. It provides public DNS subdomains that users update from a home computer or router by sending periodic HTTPS posts with the latest external IP address.