NumLookupAPI · Domain Security

Numlookupapi Domain Security

Domain security

Domain security posture for NumLookupAPI, probed live across 3 host(s) and 1 registrable domain(s). 3 host(s) serve HTTPS (up to TLSv1.3); 2 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=quarantine).

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Transport & Host Security

numlookupapi.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 7 06:44:54 2026 GMT
www.numlookupapi.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes
api.numlookupapi.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Oct 7 06:44:54 2026 GMT

Domain (DNS/Email) Security

numlookupapi.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-12'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: numlookupapi.com
  https: true
  tls_version: TLSv1.3
  cert_issuer: Google Trust Services (WE1)
  cert_expires: Oct  7 06:44:54 2026 GMT
  hsts: true
  hsts_max_age: 31536000
  server: Netlify
- host: www.numlookupapi.com
  https: true
  tls_version: TLSv1.3
  hsts: true
  hsts_max_age: 31536000
  server: Netlify
- host: api.numlookupapi.com
  https: true
  tls_version: TLSv1.3
  cert_issuer: Google Trust Services (WE1)
  cert_expires: Oct  7 06:44:54 2026 GMT
  hsts: false
  server: cloudflare
  gateway: Kong
  notes: >-
    Unauthenticated requests return HTTP/2 401 with WWW-Authenticate Key
    realm="kong". No Strict-Transport-Security header was returned on the API
    host at probe time.
domains:
- domain: numlookupapi.com
  dnssec: false
  caa: []
  spf: true
  spf_record: v=spf1 include:spf.sendinblue.com include:spf.improvmx.com include:mail.zendesk.com mx ~all
  dmarc: true
  dmarc_policy: quarantine
maintainers:
- FN: Kin Lane
  email: kin@apievangelist.com