DomainSentry
6 Automated Scans • 50+ Data Points • 1,500+ TLDs Supported

Complete Domain Intelligence Platform

Comprehensive domain intelligence platform with automated WHOIS, SSL, DNS, Security, Email, and Network scanning. Track expiration dates with minute-level precision, monitor certificate health, analyze DNS records, and get security scores. Supports 1,500+ TLDs with free RDAP data.

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Comprehensive Domain Intelligence Platform

Six automated scan types provide complete visibility into your domain health

WHOIS & Expiration Tracking
Minute-level precision expiration tracking with RDAP + WHOIS consensus. Registrar info, nameservers, status codes, creation/update dates, and real-time countdown.
SSL Certificate Analysis
Complete certificate chain validation, expiration monitoring, issuer details, subject alternative names, and 30-day expiry alerts.
DNS Record Monitoring
Track A, AAAA, MX, TXT, NS, CNAME, SOA records. Detect unauthorized changes, monitor propagation, and validate configurations.
Security Scanning & Scoring
HTTPS enforcement, security headers (HSTS, CSP, X-Frame-Options, X-Content-Type), vulnerability detection, and security score ratings.
Email Configuration Analysis
SPF, DKIM, DMARC validation, MX record health checks, email deliverability scoring, and anti-spam configuration review.
Network & Performance Tools
Ping latency, traceroute paths, port scanning, HTTP header analysis, and server response time monitoring.
Availability Detection
Automatic detection of available/parked domains with "Buy Now" links. Perfect for domain investors tracking drop dates.
Free RDAP Protocol
No API keys needed! Free RDAP queries for 1,500+ TLDs. Optional WHOIS XML API integration for enhanced data.
Automated Scanning
All six scan types run automatically in 5-15 seconds when you add a domain. Manual re-scan available anytime with one click.

Our Multi-Source Consensus Algorithm

Our multi-source consensus algorithm delivers the most accurate expiration tracking available

Traditional Services
❌ Less Accurate
1
Single WHOIS Query
Only queries one WHOIS server
2
Day-Level Accuracy
Shows only the date, no time
3
No Verification
Accepts first response without checking
~70%
Typical Accuracy
DomainSentry
✓ Multi-Source Verified
1
Multi-Source RDAP
Queries RDAP, WHOIS, and DNS SOA records
2
Minute-Level Precision
Exact timestamp down to the minute
3
Consensus Algorithm
Verifies data across multiple sources
3+
Sources Verified

Our Consensus Algorithm

1. Query Multiple Sources
RDAP registry, WHOIS server, and DNS SOA records queried simultaneously
2. Extract Dates
Parse expiration timestamps from each source with millisecond precision
3. Verify Consensus
Compare all sources and weight by reliability and data quality
4. Real-Time Display
Live countdown shows exact time remaining with automatic updates

Why This Matters

Avoid Costly Mistakes

Inaccurate expiration dates mean lost domains. Premium domains can be worth thousands - don't risk losing them to bad data.

Perfect Timing

Minute-level precision means you know exactly when to renew. No more guessing or renewing too early "just to be safe."

Verified Data

Cross-referencing multiple sources catches errors and discrepancies that single-source tools miss.

Industry-Leading Accuracy & Coverage

Built for domain investors, businesses, and anyone who can't afford to lose a domain

6
Scan Types
Fully automated
1,500+
TLDs Supported
Via RDAP bootstrap
5-15s
Scan Time
All data collected
50+
Data Points
Per domain

How It Works

Start monitoring in seconds with our automated system

1

Add Your Domain

Enter any domain name. We support ALL TLDs - .com, .io, .ai, country codes, and more.

2

Comprehensive Scanning

Six automated scans (WHOIS, SSL, DNS, Security, Email, Network) complete in 5-15 seconds. All data organized in easy-to-read tabs.

3

Monitor & Act

Real-time countdown shows exact expiration time. Get alerts and buy available domains instantly.

Complete Domain Intelligence in Seconds

First domain free forever. Then just $1/month per domain. Get WHOIS, SSL, DNS, Security, Email, and Network data automatically.

Get Started FreeTry Demo

✓ 1st domain free  •  ✓ 6 scan types  •  ✓ 50+ data points  •  ✓ No credit card required