Whoistrackr
Coming soon - join the waitlist

Simple, transparent pricing

Single WHOIS/RDAP, DNS, SSL, and HTTP header lookups are free right now. Pro watchlists, change alerts, bulk CSV tools, and API keys are in development—no payments or checkouts are active today.

Free

Single interactive domain & IP lookups, rate-limited per IP address.

$0
Free forever · Available now
Start Free Lookup
  • Single WHOIS/RDAP, DNS, SSL & Header lookups Available now
  • Rate-limited browser queries Available now
  • Copy, share link & JSON export Available now
  • Saved account lookup history Coming soon
Waitlist Only

Pro

Waitlist only · Proposed monitoring tier for domain portfolios, watchlists, and change alerts (in development).

$19 / mo
Placeholder price · Requires owner approval
  • Single WHOIS/RDAP, DNS, SSL & Header lookups Available now
  • Domain watchlist dashboard Coming soon
  • Expiry + DNS, registrar & SSL change alerts Coming soon
  • Bulk CSV lookup & export Coming soon
  • Saved WHOIS & DNS change history Coming soon

API

Proposed developer tier with metered API keys for automated integrations.

$49 / mo
Placeholder price · Requires owner approval
  • Browser JSON export on single lookups Available now
  • Metered REST API keys Coming soon
  • Authenticated WHOIS/RDAP & DNS endpoints Coming soon
  • Webhook event delivery Coming soon
  • Dedicated API throughput pools Coming soon

API Usage Limits & Fair Use Policy

Usage Quotas

Whoistrackr enforces per-IP sliding window rate limits on all lookup endpoints to ensure service stability, prevent upstream registry denial-of-service, and guarantee high availability for interactive browser lookups.

Free Public Tier
30 lookups / min
Enforced per IP address. Automated scripts & high-volume crawlers are throttled (HTTP 429).
Pro Tier (Proposed)
300 lookups / min
For portfolio tracking and batch queries. Requires owner approval.
API Tier (Proposed)
1,200+ lookups / min
Metered API key pools for programmatic backend integrations. Currently waitlist-only.
Side-by-Side

Feature comparison

An engineering-accurate breakdown of features available now on the free tier versus upcoming automated features.

Capability Free
Available now		 Pro ($19/mo)*
Requires approval		 API ($49/mo)*
Requires approval
Core Lookups & Network Diagnostics (Available Now)
WHOIS & RDAP Registration Data
Domain registrar, registration dates, expiry & EPP status
 Available now Available now Available now
Authoritative DNS Queries
Live A, AAAA, MX, TXT, NS, CNAME, SOA & CAA records with TTLs
 Available now Available now Available now
SSL / TLS Certificate Inspection
Port 443 peer cert, issuer CA, SANs, and expiry countdown
 Available now Available now Available now
HTTP Response Headers & Status
HTTP status codes, redirect hopping, and security headers
 Available now Available now Available now
IP Geolocation & ASN Lookup
Country code, ASN routing, and ISP intelligence
 Available now Available now Available now
Browser JSON Data Export
Download full structured JSON report from any single lookup
 Available now Available now Available now
Usage Quotas & Access Controls
Interactive Lookup Rate Limit
Per-IP sliding window throttle to ensure fair public availability
 30 req / min Increased (TBD) Metered Pool
Account Requirement
Public usage vs registered authenticated profile
 None required Coming soon Coming soon
Automated Monitoring & Developer Tools (Coming Soon)
Domain Watchlist & Portfolio Tracking
Track multiple domains on a central dashboard
 — Coming soon Coming soon
Automated Expiry & DNS Change Alerts
Instant notifications when nameservers, records, or certs change
 — Coming soon Coming soon
Bulk CSV Domain Uploads & Reports
Process batches of hundreds of domains simultaneously
 — Coming soon Coming soon
Metered REST API Keys
Programmatic access to WHOIS/RDAP, DNS, SSL & Headers endpoints
 — — Coming soon

Frequently Asked Questions

What are the rate limits for free lookups?
Single interactive lookups on the Free tier are limited to 30 requests per minute per IP address. This sliding-window rate limit ensures fast response times, prevents server congestion, and protects upstream registry WHOIS servers from automated scraping. If your workflow requires high-frequency or automated programmatic queries, please join our API waitlist.
Are you taking payments or subscriptions right now?
No. Whoistrackr is not taking payments and there is no checkout flow active. All plans and pricing structures shown above are marked Proposed - not final while we gather feedback from the waitlist.
What features are available today versus coming soon?
Single domain and IP lookups—covering WHOIS/RDAP registration data, DNS records, one-off SSL certificate checks, HTTP response headers, website status, and browser JSON export—are Available now for free without an account. Watchlists, automated change alerts, bulk CSV uploads, lookup history, and metered API keys are Coming soon.
Why are paid tier prices marked as 'Requires owner approval'?
All paid plan pricing ($19/mo for Pro, $49/mo for API) and feature allotments are draft placeholders awaiting maintainer and business owner approval prior to commercial launch. No payments, billing forms, or live checkouts are active on Whoistrackr today.
Can I preview how the domain watchlist will work?
Yes—visit the Watchlist Preview page to explore a sample preview of how tracked domains, expiration timelines, and alert statuses will be organized.