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Head-to-head · DNS Failover Services

ClouDNS vs Dynu DNS Failover

  • Updated Oct 2026
  • Both researched from official sources
  • 2 checks side by side
Higher score ClouDNS #1 in DNS Failover Services 9.4/10 Free plan Free plan✓ 1 of 2 features Visit ClouDNS
Dynu DNS Failover #2 in DNS Failover Services 9.2/10 Free plan Free plan✓ 1 of 2 features Visit Dynu

ClouDNS leads on 0 checks, Dynu DNS Failover on 0, and 2 are even. Who comes out ahead on the 2 yes/no, price and count checks where we have data for both products. The editor score weighs everything else too.

Our verdict

  • Highest scoreClouDNS · 9.4/10
  • Free planboth

ClouDNS scores higher on our rubric for dns failover services: 9.4 against 9.2 out of 10; our editors rank them #1 and #2.

ClouDNS is the better fit for affordable multi-zone DNS failover. Dynu DNS Failover is the better fit for low-cost monitored DNS failover.

  • ClouDNS fits best

    Affordable multi-zone DNS failover

  • Dynu DNS Failover fits best

    Low-cost monitored DNS failover

Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.

Side by side

Feature ClouDNS 9.4/10 Visit ↗ Dynu DNS Failover 9.2/10 Visit ↗
At a glance
Editor score 9.4 9.2
Ranking #1 in DNS Failover Services #2 in DNS Failover Services
Best for Affordable multi-zone DNS failover Low-cost monitored DNS failover
Pricing model Free plan + paid Free plan + paid
Starting price $2.95/mo $9.99/yr
Free plan ✓ ✓
Free trial — —
Deployment Cloud Cloud
Platforms Web Web
Features ClouDNS 1/2 · Dynu DNS Failover 1/2
API access ✓ ✓
Terraform provider Not checked yet Not checked yet
Specs
Monitored endpoints Not checked yet 5 endpoints
Check interval Not checked yet 1-minute
Failover methods Not checked yet Dns record
Check regions Not checked yet 4 regions
Our review
Pros
  • Free plan plus paid tiers from $2.95 per month
  • GeoDNS, DNS failover, DNSSEC, and secondary DNS
  • Terraform, OctoDNS, WHMCS, and SAML SSO integrations
  • Free plan includes 3 monitors and full failover features
  • Checks DNS, HTTP(S), SSL, ports, keywords and ping
  • Automatic failover, failback, notifications and REST API
Cons
  • Free DNS supports only 1 DNS zone
  • Failover checks are capped by paid plan
  • Enterprise pricing uses custom configuration
  • Failover is DNS-record based rather than application-level routing
  • Paid plans require annual billing
  • Capacity is organized around fixed monitor-count tiers
Our verdict

ClouDNS is a managed DNS service for businesses and organizations that host and route domain traffic. It combines web-based zone and record management with Anycast DNS, GeoDNS, failover checks, DNSSEC, secondary DNS, monitoring, backups,…

Read the review →

Dynu DNS Failover is a monitored DNS continuity service for organizations that need to detect outages and redirect traffic when an endpoint becomes unavailable. It monitors websites, servers, DNS services, ports, SSL certificates and other…

Read the review →
  1. ClouDNSDNS Failover Services 9.4Free plan
  2. Dynu DNS FailoverDNS Failover Services 9.2Free plan

Strengths and trade-offs

  • ClouDNS — where it wins

    • Free plan plus paid tiers from $2.95 per month
    • GeoDNS, DNS failover, DNSSEC, and secondary DNS
    • Terraform, OctoDNS, WHMCS, and SAML SSO integrations

    Where it doesn't

    • Free DNS supports only 1 DNS zone
    • Failover checks are capped by paid plan
    • Enterprise pricing uses custom configuration
  • Dynu DNS Failover — where it wins

    • Free plan includes 3 monitors and full failover features
    • Checks DNS, HTTP(S), SSL, ports, keywords and ping
    • Automatic failover, failback, notifications and REST API

    Where it doesn't

    • Failover is DNS-record based rather than application-level routing
    • Paid plans require annual billing
    • Capacity is organized around fixed monitor-count tiers

More comparisons

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

Last updated · How we research and update