dynv6

Domains 3.7/10

Free dynamic DNS and full DNS hosting for IPv4/IPv6, with free hostnames or your own delegated domain.

dynv6 scores 3.7/10 for free value in Domains. The main constraint: Completely free for private use: unlimited hosts with freely chosen names under dynv6.net/dns.army/v6.rocks etc. (or delegate your own domain), with full DNS record management and DNSSEC at no cost.

Category Domains Kind Dynamic DNS & DNS hosting Caveats No enterprise-grade DDoS protection and no SLA, so it is explicitly not recommended for critical or production services. Free hostnames live on shared public-suffix domains, and updates are intended for residential/dynamic IPs rather than high-frequency programmatic changes. Card required No Eligibility anyone

Free value score

3.7 / 10

Show the math

Overall 3.7/10

value = 3.7/100

weighted_components_v1

Name/DNS value 1/10

value = 0.01 $/yr

fixed_log_v1

API/DDNS fit 7/10

value = 7/100

policy_score_v1

Trust and friction 5.5/10

value = 5.5/100

policy_score_v1

Key metrics

∞ Free domains shared free domains

Full record DNS records A, AAAA, CNAME, MX, SPF, SRV, TXT

On-demand DDNS refresh

Yes Ad-free

What you get

Unlimited hosts with freely chosen names, free of charge for private users

Full DNS record management (A, AAAA, CNAME, MX, SPF, SRV, TXT) plus DNSSEC support

Many update mechanisms: REST API, Update API, DynDNS API, SSH public-key, and TSIG DNS UPDATE (RFC2136)

Webhooks fire whenever your IP address changes, and you can delegate your own domain

Limitations

No DDoS protection

dynv6 does not offer enterprise-grade DDoS protection, so hosts are exposed during attacks.
No SLA

No service-level agreement or uptime guarantee is offered; the provider explicitly says it is not for critical services.
Private use

The free service is positioned as completely free for private users; it is not intended for production or business-critical workloads.
Shared public-suffix domains

Free hostnames are subnames under shared domains (dynv6.net, dns.army, dns.navy, v6.army, v6.navy, v6.rocks); name availability depends on what others have already claimed.

Sources

"Free for everyone. Just choose a free hostname to start, or delegate your own domain to dynv6."
https://dynv6.com/
"Please be aware that we don't offer enterprise-grade DDoS protection and SLAs yet. Don't use it for critical services."
https://dynv6.com/
"dynv6 (free) | Unlimited hosts, names can be freely chosen | DNSSEC support, multiple APIs"
https://www.ionos.com/digitalguide/server/tools/free-dynamic-dns-providers-an-overview/
"Unfortunately, dynv6 has become unstable enough that I a considering another service. Their community forum has been down for months, and they don't respond to emails on their service account."
https://www.reddit.com/r/dns/comments/1med62i/dynv6com_is_awesome/

dynamic-dns ddns dns-hosting ipv6 dnssec free self-hosting home-lab

Open service Source ← All Domains