Suggestions appear as you type. Use the up and down arrows to choose one and Enter to open it.

This page's audience real numbers from our own analytics — open to see them
–Visitors
–Page views
–Clicks to vendors
–Time on page
–Reading now
Clicks to vendors, by tool
  • –
Top countries
  • –
Devices
  • –

– · counted by iTechGuides's own first-party analytics, bots removed, every figure rounded down · how we count

Head-to-head · Dynamic DNS Services

DDNSS vs YDNS

  • Updated Sep 2026
  • Both researched from official sources
  • 6 checks side by side
Higher score DDNSS #6 in Dynamic DNS Services 7.6/10 Free plan Free plan✓ 4 of 5 features Visit DDNSS
YDNS #8 in Dynamic DNS Services 6.7/10 Free plan Free plan✓ 4 of 5 features Visit YDNS

DDNSS leads on 1 check, YDNS on 1, and 4 are even. Who comes out ahead on the 6 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreDDNSS · 7.6/10
  • Free planboth

DDNSS scores higher on our rubric for dynamic dns services: 7.6 against 6.7 out of 10; our editors rank them #6 and #8.

YDNS offers custom domains; DDNSS doesn't publish it. DDNSS offers wildcard records; YDNS doesn't publish it.

DDNSS is the better fit for free DDNS with router and record support. YDNS is the better fit for free DDNS with unlimited fair-use hosts.

  • DDNSS fits best

    Free DDNS with router and record support

  • YDNS fits best

    Free DDNS with unlimited fair-use hosts

Advertiser disclosure: iTechGuides is reader-supported. We may earn a commission when you click some links. How we rank.

Side by side

Feature DDNSS 7.6/10 Visit ↗ YDNS 6.7/10 Visit ↗
At a glance
Editor score 7.6 6.7
Ranking #6 in Dynamic DNS Services #8 in Dynamic DNS Services
Best for Free DDNS with router and record support Free DDNS with unlimited fair-use hosts
Pricing model Free Free
Starting price Not published Not published
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Support Docs Email, Community, Docs
Built for Solo, Small business Solo, Small business
Features DDNSS 4/5 · YDNS 4/5
IPv6 support ✓ ✓
Custom domains Not published ✓ (best)
Router support ✓ ✓
API access ✓ ✓
Wildcard records ✓ (best) Not published
Specs
Hostname limit Not published Not published
Update interval Not published Not published
Our review
Pros
  • Supports IPv4, IPv6, HTTPS and DynDNS2 update methods
  • Works with routers, NAS devices, scripts and updater tools
  • Supports A, AAAA, TXT, MX, SRV, NS and wildcard records
  • Unlimited hosts per user under a fair-use model
  • Custom-domain DNS hosting with DNSSEC support
  • HTTP API plus Bash and MikroTik updater options
Cons
  • Free-only model has no paid tier options
  • Configuration varies across supported router and NAS integrations
  • Focused on dynamic DNS rather than broader hosted DNS management
  • Free service has no paid tier for additional features or support
  • Setup may require API or updater configuration
  • Focused on DNS hosting rather than broader network management
Our verdict

DDNSS is a free dynamic DNS service for home servers, NAS devices, VPN access, cameras, IoT devices and other systems with changing IP addresses. It provides DNS hostnames with IPv4 and IPv6 update endpoints, so devices can remain…

Read the review →

YDNS is a free DNS hosting service for people who need dynamic hostnames for home networks, DNS hosting for custom domains, or record updates through an HTTP API. Its Free plan combines Dynamic DNS, DNS hosting, Custom-domain DNS hosting,…

Read the review →
  1. DDNSSDynamic DNS Services 7.6Free plan
  2. YDNSDynamic DNS Services 6.7Free plan

Strengths and trade-offs

  • DDNSS — where it wins

    • Supports IPv4, IPv6, HTTPS and DynDNS2 update methods
    • Works with routers, NAS devices, scripts and updater tools
    • Supports A, AAAA, TXT, MX, SRV, NS and wildcard records

    Where it doesn't

    • Free-only model has no paid tier options
    • Configuration varies across supported router and NAS integrations
    • Focused on dynamic DNS rather than broader hosted DNS management
  • YDNS — where it wins

    • Unlimited hosts per user under a fair-use model
    • Custom-domain DNS hosting with DNSSEC support
    • HTTP API plus Bash and MikroTik updater options

    Where it doesn't

    • Free service has no paid tier for additional features or support
    • Setup may require API or updater configuration
    • Focused on DNS hosting rather than broader network management
  • DDNSS7.6/10 · Free plan

    A free DDNS service with IPv4/IPv6 updates, router support and flexible DNS records.

    Visit DDNSSFull verdict →
  • YDNS6.7/10 · Free plan

    A free DDNS service with custom domains, API updates, DNSSEC, and IPv6 support.

    Visit YDNSFull verdict →

More comparisons

Guides on dynamic DNS services

Reviewed by iTechGuides Editors · Editorial team · Updated Sep 2026

Last updated · How we research and update