docs / domain-intel

Domain Intelligence

Domain, DNS and WHOIS lookups.

base /domain-intel/v19 endpoints

post/domain-intel/v1/whois1 credit

registration/WHOIS via RDAP (registrar, dates, status, NS, DNSSEC)

Parameter	Required
domain	required
raw	optional
include_pii	optional

Try in playground →

post/domain-intel/v1/dns1 credit

DNS records via DoH (A/AAAA/MX/TXT/NS/CNAME/SOA/CAA)

Parameter	Required
domain	required
types	optional

Try in playground →

post/domain-intel/v1/ssl_certs1 credit

SSL/TLS certificates via CT logs (certspotter/crt.sh)

Parameter	Required
domain	required
limit	optional
deep	optional

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post/domain-intel/v1/subdomains1 credit

subdomain discovery via CT-log cert SANs

Parameter	Required
domain	required
deep	optional

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post/domain-intel/v1/availability1 credit

domain registration availability via RDAP

Parameter	Required
domain	required

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post/domain-intel/v1/tld_listfree

IANA TLD list (optionally filtered)

Parameter	Required
search	optional
limit	optional

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post/domain-intel/v1/tld_detailfree

TLD metadata + RDAP server (IANA bootstrap)

Parameter	Required
tld	required

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post/domain-intel/v1/tech_detect1 credit

tech-stack fingerprint via response headers/HTML

Parameter	Required
domain	required

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post/domain-intel/v1/full_report3 credits

merged whois+dns+ssl_certs+subdomains (one call)

Parameter	Required
domain	required
include_tech	optional
include_pii	optional
deep	optional

Try in playground →

Example request · whois

curl -X POST https://api.reefapi.com/domain-intel/v1/whois \
  -H "x-api-key: $REEF_KEY" \
  -H "content-type: application/json" \
  -d '{"domain":"github.com"}'

Response shape

{
  "ok": true,
  "data": { /* the result */ },
  "meta": {
    "latency_ms": 240,
    "record_count": 12,
    "completeness_pct": 100
  },
  "error": null
}