Overview
ViewDNS
DNS, WHOIS, and Reverse Lookup Toolkit
ViewDNS.info offers a broad toolbox of DNS, reverse IP, reverse MX, WHOIS, and IP history lookups for investigators and operators.
Free web UIWHOISJSON
WHOIS, DNS, SSL, and availability API with a lightweight free plan
WHOISJSON packages WHOIS, DNS, SSL certificate, and availability lookups into a lightweight API for teams that need practical lookup coverage without enterprise overhead.
Free plan availablePricing Comparison
| Pricing | ViewDNS | WHOISJSON |
|---|---|---|
| Free Tier | Free web UI | Free plan available |
| Paid Plans | API plans from $25/month | From $10/month |
| Enterprise | Professional and business API tiers | Higher-volume plans available |
| TLD Coverage | All major TLDs supported | 1,500+ TLDs |
Feature Comparison
| Feature | ViewDNS | WHOISJSON |
|---|---|---|
| Free Tier | Included | Included |
| API Access | Included | Included |
| Bulk Operations | Limited | Limited |
| Real-time Data | Included | Included |
| WHOIS Data | Included | Included |
| DNS Lookup | Included | Included |
| Domain Valuation | Not Included | Not Included |
| Brand Monitoring | Not Included | Not Included |
| MCP/AI Integration | Not Included | Not Included |
Which is Better?
Choose ViewDNS if you need
- Free web-based tools
- Wide range of reverse lookup tools
- Fast to evaluate from the browser
Choose WHOISJSON if you need
- Covers WHOIS, DNS, SSL, and availability in one API
- Simple entry pricing and low-friction onboarding
- Useful free tier for early testing and prototypes
Consider DomScan Instead
DomScan offers the best of both worlds with comprehensive features and developer-friendly pricing.
- ✓ Free tier: 10,000 credits/month (no credit card)
- ✓ 1,500+ TLDs supported
- ✓ MCP integration for AI assistants
- ✓ Domain valuation, brand monitoring, OSINT
Related Comparisons
Get Started with DomScan
10,000 free credits/month • No credit card required
Try DomScan Free
Or try our free tools first