Yieldmo · Domain Security

Yieldmo Domain Security

Domain security

Domain security posture for Yieldmo, probed live across 5 host(s) and 2 registrable domain(s). 5 host(s) serve HTTPS (up to TLSv1.3); 1 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF present, DMARC present (p=reject).

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Transport & Host Security

yieldmo.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 9 15:35:04 2026 GMT
ads.yieldmo.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Feb 26 23:59:59 2027 GMT
docs.prebid.org
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 20 08:30:18 2026 GMT
api.yieldmo.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Dec 3 23:59:59 2026 GMT
apps.yieldmo.com
HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Sep 16 06:01:38 2026 GMT

Domain (DNS/Email) Security

yieldmo.com
DNSSEC: no · SPF: yes · DMARC: yes (p=reject) · CAA: yes
prebid.org
DNSSEC: no · SPF: yes · DMARC: yes (p=quarantine) · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-08-12'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: yieldmo.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov  9 15:35:04 2026 GMT
  hsts: false
- host: ads.yieldmo.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Feb 26 23:59:59 2027 GMT
  hsts: null
- host: docs.prebid.org
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 20 08:30:18 2026 GMT
  hsts: false
- host: api.yieldmo.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Dec  3 23:59:59 2026 GMT
  hsts: false
  note: API host carrying the MCP server and DCS reporting API. Probed manually 2026-08-12 — probe-domain-security.py
    did not enumerate it. No Strict-Transport-Security header on the AWS API Gateway responses.
- host: apps.yieldmo.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 16 06:01:38 2026 GMT
  hsts: true
  hsts_max_age: 63072000
  note: YMax console/login host. Probed manually 2026-08-12. The only Yieldmo host observed serving HSTS.
domains:
- domain: yieldmo.com
  dnssec: false
  caa:
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com"
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog"
  - 0 issue "sectigo.com"
  - 0 issue "symantec.com"
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: prebid.org
  dnssec: false
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: quarantine
x-addendum:
  manual_hosts_added: 2026-08-12 — api.yieldmo.com and apps.yieldmo.com probed by hand (openssl s_client
    + curl -I); both discovered this enrichment round and not enumerated by the script.