BuddyNS vs DNS Unlimited Secondary DNS

BuddyNS8.9Visit DUDNS Unlimited Secondary DNS8.7Visit

Higher score BuddyNS #4 in Secondary DNS Services 8.9/10 Free plan Free plan✓ 2 of 4 features Visit BuddyNS

vs

DU DNS Unlimited Secondary DNS #6 in Secondary DNS Services 8.7/10 30-day trial Free trial✓ 3 of 4 features Visit DNS Unlimited

• BuddyNS fits best

  Affordable AXFR secondary DNS

• DNS Unlimited Secondary DNS fits best

  Low-cost multi-server secondary DNS

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Side by side

Feature	BuddyNS 8.9/10 Visit ↗	DUDNS Unlimited Secondary DNS 8.7/10 Visit ↗
At a glance
Editor score	8.9	8.7
Ranking	#4 in Secondary DNS Services	#6 in Secondary DNS Services
Best for	Affordable AXFR secondary DNS	Low-cost multi-server secondary DNS
Pricing model	Free plan + paid	Paid
Starting price	$3/mo (best)	$5/mo
Free plan	✓ (best)	—
Free trial	—	30 days
Deployment	Cloud	Cloud
Platforms	Web	Web
Support	Email, Docs	Email, Tickets, Docs · 24/7
Built for	Solo, Small business, Mid-market, Enterprise	Small business, Mid-market, Enterprise
Features BuddyNS 2/4 · DNS Unlimited Secondary DNS 3/4
Health checks	✓ (best)	Not checked yet
DNSSEC support	Not checked yet	✓ (best)
API access	✓	✓
IPv6 support	Not checked yet	✓ (best)
Specs
Transfer protocols	Not checked yet	Axfr
Zone limit	Not checked yet	10 zones
Secondary nameservers	Not checked yet	5 nameservers
Our review
Pros	Free secondary DNS replication with commercial use permitted REST API, health checks, SyncNOW, IPv6, and notifications Anycast, DNSSEC, MFA, and DDoS protection on higher tiers	Five geographically distributed authoritative nameservers Multiple masters, AXFR transfers, and DNSSEC support API access, logs, statistics, IPv4, and IPv6 support
Cons	Anycast and DNSSEC start at the Astronaut plan Advanced support and infrastructure require higher-tier plans Enterprise pricing is substantially higher than Pro and Astronaut	No free plan; fixed pricing starts at $5 per month Cloud-only deployment Unlimited uses query-based pricing with a monthly minimum charge
Our verdict	BuddyNS provides secondary DNS replication from an existing primary DNS server using AXFR and related DNS mechanisms. It is aimed at individuals, small businesses, organizations, ISPs, and enterprises that need authoritative DNS continuity… Read the review →	DNS Unlimited Secondary DNS is a cloud service for organizations that operate their own primary DNS servers and need secondary authoritative hosting. It transfers zones from primary servers, serves them through five geographically… Read the review →

Strengths and trade-offs

• BuddyNS — where it wins

  • Free secondary DNS replication with commercial use permitted
  • REST API, health checks, SyncNOW, IPv6, and notifications
  • Anycast, DNSSEC, MFA, and DDoS protection on higher tiers

  Where it doesn't

  • Anycast and DNSSEC start at the Astronaut plan
  • Advanced support and infrastructure require higher-tier plans
  • Enterprise pricing is substantially higher than Pro and Astronaut

• DNS Unlimited Secondary DNS — where it wins

  • Five geographically distributed authoritative nameservers
  • Multiple masters, AXFR transfers, and DNSSEC support
  • API access, logs, statistics, IPv4, and IPv6 support

  Where it doesn't

  • No free plan; fixed pricing starts at $5 per month
  • Cloud-only deployment
  • Unlimited uses query-based pricing with a monthly minimum charge

• BuddyNS8.9/10 · Free plan

  A low-cost AXFR secondary DNS service with a useful free tier and scalable upgrades.

  Visit BuddyNSFull verdict →
• DUDNS Unlimited Secondary DNS8.7/10 · 30-day trial

  A low-cost secondary DNS service for multi-server deployments and primary DNS redundancy.

  Visit DNS UnlimitedFull verdict →