Leucine · Domain Security

Leucine Domain Security

Domain security

Domain security posture for Leucine, probed live across 4 host(s) and 3 registrable domain(s). 4 host(s) serve HTTPS (up to TLSv1.3); 3 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=none).

CompanyPharmaceuticalManufacturingQuality ManagementLife SciencesRegulatory ComplianceArtificial IntelligenceManufacturing Execution SystemLaboratory

Transport & Host Security

www.leucine.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 29 00:02:42 2026 GMT
support.leucine.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 20 20:58:44 2026 GMT
leucine.ai
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 25 10:45:52 2026 GMT
leucinetech.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Aug 25 12:12:35 2026 GMT

Domain (DNS/Email) Security

leucine.io
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: yes
leucine.ai
DNSSEC: no · SPF: yes · DMARC: yes (p=none) · CAA: yes
leucinetech.com
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: yes

Source

Domain Security

leucine-domain-security.yml Raw ↑ 
generated: '2026-07-19'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml hosts (no OpenAPI hosts — Leucine publishes
  no public API)
notes: Leucine operates three domains mid-migration — leucinetech.com (legacy, 301s
  to www.leucine.io), leucine.io (primary content host), and leucine.ai (migration
  target, Cloudflare-fronted and 403 to non-browser clients).
hosts:
- host: www.leucine.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 29 00:02:42 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: support.leucine.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 20 20:58:44 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: leucine.ai
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 25 10:45:52 2026 GMT
  hsts: false
  note: Cloudflare returns 403 to non-browser user agents; HSTS header not observed
- host: leucinetech.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Aug 25 12:12:35 2026 GMT
  hsts: true
  hsts_max_age: 31536000
domains:
- domain: leucine.io
  dnssec: false
  caa:
  - 0 issue "letsencrypt.org"
  - 0 iodef "mailto:junaid.baig@leucinetech.com"
  spf: true
  spf_record: include:3978454.spf05.hubspotemail.net
  dmarc: true
  dmarc_policy: none
- domain: leucine.ai
  dnssec: false
  caa:
  - 0 issue "pki.goog; cansignhttpexchanges=yes"
  - 0 issue "ssl.com"
  - 0 issuewild "comodoca.com"
  spf: true
  spf_record: v=spf1 include:_spf.google.com include:3978454.spf05.hubspotemail.net
    include:amazonses.com include:servers.mcsv.net ~all
  dmarc: true
  dmarc_policy: none
- domain: leucinetech.com
  dnssec: false
  caa:
  - 0 issue "letsencrypt.org"
  - 0 issuewild "letsencrypt.org"
  - 0 iodef "mailto:junaid.baig@leucinetech.com"
  spf: true
  spf_record: v=spf1 include:_spf.google.com include:3978454.spf05.hubspotemail.net
    -all
  dmarc: true
  dmarc_policy: quarantine