NS1 (IBM) vs Constellix Pricing (2026)
Compare / NS1 (IBM) vs Constellix
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Team size
25 seats

NS1 (IBM) vs Constellix

DNS Management pricing comparison · 2026

NS1 (IBM) pricing ranges from $0–$349/per month, while Constellix ranges from $5–$25/per month. Constellix is typically 91% more affordable, though your actual cost depends on tier and team size.

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See pricing on each vendor's site
Above-the-fold path — each link opens the vendor's pricing page in a new tab.
Visit NS1 pricing
Free plan limits → Discount programs →
Visit Constellix pricing
Discount programs →
Compare
2 products · DNS Management
Side-by-side · live
NS1 (IBM)
NS1 (IBM) pricing starts with a Free Developer plan at no cost for development and testing
verified 23d ago
$7.5K $36K
View pricing →
Constellix
Constellix pricing starts at $5/month for the Basic plan.
verified 27d ago
$7.5K $36K
View pricing →
Verdict · list-price math · year 1
Constellix saves $97K vs NS1 · 25 seats
Cheapest $7.5K
Spread 93%
Estimated license cost
at 25 seats
List price × seats. Click a tier below to lock it.
Standard
$105K/yr
year 1 license · $349/seat
Business
$7.5K/yr
year 1 license · $25/seat
What buyers actually pay
median, annual
Vendr deal-flow data. The real benchmark, not list price.
Median annual
$36K/yr
Vendr · n=30
No Vendr data
—
Not in Vendr's deal flow
REF · 01

Sources & confidence

Every dollar amount and contract clause below traces back to a sourced fact. We don't manufacture composite scores.

Where this data comes from
Vendr · TrustRadius · Reddit · BBB · official docs
Sources 4 sourced facts
2 contract · Vendr median · 1 review platform
Last verified 3w ago
Confidence Limited confidence
Sources 6 sourced facts
5 hidden-cost · 1 review platform
Last verified 3w ago
Confidence Limited confidence
REF · 02

Plans at a glance

Every tier per product. Lock one to drive the cost row above and reveal a tier-specific outbound CTA.

Tier ladder
Click a tier to lock the cost row to it. Locking surfaces a tier-specific Visit CTA.
REF · 03

Hidden costs

Each cost is severity-ranked, with the dollar range quoted from its source (Vendr, Reddit, TrustRadius, BBB, official docs) — never our estimate.

Beyond the sticker
Severity-ranked, sourced
No hidden costs documented
3 documented
  • API Call Charges
    $15-$20/month
    2 sources
  • Domain Commit/Action Charges
    $0.65-$0.70 per domain action
    2 sources
  • Per-Zone Hosting Fees Scale Quickly
    5-10% of license costs
    1 source
REF · 05

What users say

Aggregated, with sample sizes. We use whichever review platform has data.

User reviews
TrustRadius · Trustpilot · G2
TrustRadius
8.9/5 (21)
Best for
Developers and small teams
Watch out
User interface complexity for new users
TrustRadius
9/5 (2)
Best for
Small websites
Watch out
Complex and confusing pricing structure with multiple fee types
Decide
Get a quote from each vendor
Each link opens the vendor's pricing page in a new tab.
Visit NS1 pricing
Free plan limits → Discount programs →
Visit Constellix pricing
Discount programs →
License cost is computed from publicly listed plans (real math, list price × seats). Median annual cost is from Vendr's deal flow when available — see source badges. Hidden costs and contract terms each cite their own sources. We do not invent composite scores.
DNS Management

NS1 (IBM)

$0–$349
/per month
4 plans · Free tier
Full pricing breakdown →
VS
DNS Management

Constellix

$5–$25
/per month
3 plans
Full pricing breakdown →

NS1 (IBM) and Constellix both operate in the dns management category. This page compares their list pricing.

Plan-by-Plan Pricing

Plan NS1 (IBM) Constellix
Free Developer Free /user/month $5 /per month
Essentials $99 /user/month $25 /per month
Standard $349 /user/month Custom
Premium Custom —

Continue researching

NS1 (IBM)

Constellix

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