Instantly look up DNS records, WHOIS, SSL certificates, hosting providers, geolocation, ASN data, and threat intelligence — all in one platform.
50M+
Domains
100M+
IP Records
99.9%
Uptime
5M+
Queries/day
// GET /v2/domain/google.com • HTTP 200 • 142ms { "domain": "google.com", "status": "active", "ip": "142.250.185.78", "ipv6": "2607:f8b0:4004:c1b::71", "hosting": { "provider": "Google LLC", "asn": "AS15169", "country": "US", "city": "Mountain View" }, "dns": { "a": ["142.250.185.78", "142.250.185.46"], "mx": ["smtp.google.com"], "ns": ["ns1.google.com", "ns2.google.com"], "ttl": 300 }, "ssl": { "issuer": "Google Trust Services", "valid": true, "expires": "2026-08-15", "grade": "A+" }, "whois": { "registrar": "MarkMonitor Inc.", "created": "1997-09-15", "expires": "2028-09-14", "age_days": 10442 }, "threat": { "score": 0, "blacklisted": false, "phishing": false } }
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Platform Capabilities
From basic WHOIS lookups to advanced threat detection, HostInfo provides a complete toolkit for understanding internet infrastructure.
City-level accuracy for 4.2B+ IPv4 addresses. Country, region, postal code, coordinates, timezone, and accuracy radius.
100K+ autonomous systems tracked. ASN name, type, route, peers, prefixes, and organizational details.
Detect VPNs, proxies, Tor exit nodes, and relay services. 300+ providers identified with <0.1% false positive rate.
Parsed WHOIS for domains and IPs. Registrar, registration dates, nameservers, and ownership data with historical tracking.
Full DNS resolution: A, AAAA, MX, CNAME, TXT, NS, SOA, SRV, and CAA records with TTL and propagation status.
Certificate details, issuer chain, validity period, SAN entries, protocol support, and security grade assessment.
Behavior-based residential proxy detection with confidence scoring, ISP mismatch signals, and rotation tracking.
Identify the organization behind any IP. Company name, domain, industry, size, and type classification for B2B intelligence.
Identify carrier name, MCC/MNC codes, and connection type. 1,000+ carriers tracked with 98% accuracy on mobile IPs.
Top hosters, domains, TLDs, registrars, and backlinks. Updated daily from our index of 500M+ domains.
Get abuse reporting contacts, network registrar data, and operator info from all 5 Regional Internet Registries.
Reverse IP lookup to find all domains on any server. 500M+ domains indexed with historical hosting data.
Data Products
From free basics to full-stack intelligence. Choose the tier that fits your needs.
Lite
Free
Forever · No credit card
7
data attributes
Core
$49/mo
For growing apps
16
data attributes
Plus
$149/mo
For scaling businesses
32
data attributes
Max
$299/mo
Full visibility
35
data attributes
Enterprise
Custom
Tailored for scale
40+
data attributes
Live Data
Updated daily from our index of 500M+ domains
Who Uses HostInfo
From security operations to digital marketing, HostInfo delivers the intelligence every team needs.
Investigate suspicious IPs, map attack surfaces, and identify threats with real-time intelligence feeds.
Stop fraudulent signups, detect account takeovers, and score risk in real time at the network edge.
RESTful API with consistent JSON, SDKs for 6 languages, and sub-200ms latency for production workloads.
Deep WHOIS data, registrar history, expiry alerts, and domain valuation signals for portfolio management.
Competitor domain profiling, backlink analysis, technology stack detection, and SEO intelligence.
ASN data, IP prefix lists, BGP routing analysis, and CIDR block ownership for network infrastructure.
Developer API
Clean JSON responses, sub-200ms latency, single API key authentication. No OAuth complexity. Scale from prototype to production with the same key.
# Full IP intelligence lookup curl -H "Authorization: Bearer YOUR_TOKEN" \ https://api.hostinfo.com/v2/ip/8.8.8.8 { "ip": "8.8.8.8", "city": "Mountain View", "region": "California", "country": "US", "org": "Google LLC", "asn": "AS15169", "privacy": { "vpn": false, "proxy": false }, "abuse": { "email": "[email protected]" } }
What People Say
"HostInfo replaced three separate data vendors for us. The unified API saved us thousands per month and the data accuracy is measurably better."
Alex Mueller
CTO, FinSecure GmbH
"Sub-200ms API responses every single time, even under peak load. Integrating threat intelligence into our SIEM pipeline took hours, not weeks."
Sarah Kim
Security Engineer, CrowdLayer
"Best free tier in the industry. We ran our entire MVP on the free plan before upgrading. Zero friction to get started and no surprises when we scaled."
David Lawson
VP Engineering, RapidScale
"The WHOIS data freshness is unmatched. I can track expiring domains and get registrar change alerts faster than any other provider I've tried."
Maria Petrova
Domain Investor, DomainVault
"Privacy detection accuracy is incredible — 99.4% precision on proxy detection. Our fraud losses dropped 60% in the first quarter after integration."
James Reeves
Fraud Analyst, PayGuard
"The ranked domain data is gold for competitive research. We use HostInfo rankings daily to track hoster market share and identify new opportunities."
Yuki Tanaka
Digital Marketing Lead, NexusAds
Why HostInfo
The most comprehensive IP & domain intelligence platform, at a fraction of the cost.
| Feature | HostInfo | IPinfo | SecurityTrails | host.io |
|---|---|---|---|---|
| IP Geolocation | ✓ | ✓ | – | – |
| Privacy / VPN Detection | ✓ | ✓ | – | – |
| Domain WHOIS | ✓ | – | ✓ | ✓ |
| ASN / BGP Data | ✓ | ✓ | – | – |
| DNS Records | ✓ | – | ✓ | ✓ |
| SSL Certificate Analysis | ✓ | – | ✓ | – |
| Threat Intelligence | ✓ | – | ✓ | – |
| Hosted Domains (Reverse IP) | ✓ | ✓ | – | ✓ |
| Internet Rankings | ✓ | – | – | ✓ |
| Free Tier | 50K/mo | 50K/mo | – | 1K/mo |
| API Response Time | <200ms | ~250ms | ~400ms | ~600ms |