Linode · Domain Security

Linode Domain Security

Domain security

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

Cloud ComputingInfrastructure-as-a-ServiceVirtual MachinesKubernetesObject StorageBlock StorageDNSManaged DatabaseNetworkingGPULoad BalancerDeveloper Tools

Transport & Host Security

techdocs.akamai.com

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Nov 19 05:32:09 2026 GMT

linode-api4.readthedocs.io

HTTPS: yes · TLS: TLSv1.3 · HSTS: yes · cert expires: Oct 25 13:31:53 2026 GMT

pkg.go.dev

HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Nov 23 08:22:53 2026 GMT

Domain (DNS/Email) Security

akamai.com

DNSSEC: yes · SPF: yes · DMARC: yes (p=reject) · CAA: none

readthedocs.io

DNSSEC: no · SPF: no · DMARC: no · CAA: yes

Source

Domain Security

generated: '2026-09-17'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: techdocs.akamai.com
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 19 05:32:09 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: linode-api4.readthedocs.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Oct 25 13:31:53 2026 GMT
  hsts: true
  hsts_max_age: 31536000
- host: pkg.go.dev
  https: true
  tls_version: TLSv1.3
  cert_expires: Nov 23 08:22:53 2026 GMT
  hsts: false
domains:
- domain: akamai.com
  dnssec: true
  caa: []
  spf: true
  dmarc: true
  dmarc_policy: reject
- domain: readthedocs.io
  dnssec: false
  caa:
  - 0 issue "comodoca.com"
  - 0 issue "digicert.com; cansignhttpexchanges=yes"
  - 0 issue "letsencrypt.org"
  - 0 issue "pki.goog; cansignhttpexchanges=yes"
  - 0 issue "ssl.com"
  - 0 issuewild "amazonaws.com"
  spf: false
  dmarc: false

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