Free tier available — no credit card
Domain intelligence.
One call, everything.
WHOIS, DNS, SSL, RDAP and reputation signals — all in a single JSON response. Built for developers and security teams.
Enter a domain and click Run to see live results...
Everything about a domain
All from public sources. No scraping, no ToS violations.
WHOIS
Registrar, registrant org, creation date, expiry, nameservers.
DNS Records
A, AAAA, MX, NS, TXT, CNAME — all record types in one shot.
SSL Certificate
Issuer, validity window, expiry countdown, chain info.
RDAP
Structured registration data via the modern RDAP protocol.
Domain Age
Exact age in days — critical for fraud and risk signals.
1-hour cache
Results are cached server-side. Fast repeat lookups, always fresh.
Dead simple integration
One GET request. Standard JSON. Works from any language or HTTP client.
- ✓ No SDK required
- ✓ Consistent JSON schema on every response
- ✓ X-Cache header so you know when results are fresh
- ✓ Per-section endpoints if you only need one data type
# curl
curl https://api.resolvdns.net/domain/stripe.com \
-H "X-API-Key: zr_your_key_here"
# Python
import httpx
resp = httpx.get(
"https://api.resolvdns.net/domain/stripe.com",
headers={"X-API-Key": "zr_your_key"}
)
data = resp.json()
print(data["age_days"]) # → 9874
print(data["ssl"]["valid"]) # → trueSimple pricing
Start free. Upgrade when you need more volume.
Free
$0/mo
No credit card required
- 100 requests / day
- All data types included
- 1-hour response cache
- API key required
Starter
$19/mo
Billed monthly, cancel anytime
- 1,000 requests / day
- All data types included
- 1-hour response cache
- Priority support
Pro
$79/mo
Billed monthly, cancel anytime
- 50,000 requests / day
- All data types included
- 1-hour response cache
- Priority support
Ready to start?
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