Linkerd · Domain Security

Linkerd Domain Security

Domain security

Domain security posture for Linkerd, probed live across 3 host(s) and 2 registrable domain(s). 1 host(s) serve HTTPS (up to TLSv1.3); 0 advertise HSTS. Email/DNS controls: DNSSEC absent, SPF absent, DMARC absent.

KubernetesmTLSObservabilitySecurityService Mesh

Transport & Host Security

linkerd.io
HTTPS: yes · TLS: TLSv1.3 · HSTS: no · cert expires: Sep 30 15:31:59 2026 GMT
kubernetes.default.svc
HTTPS: no · HSTS: no
metrics-api.linkerd-viz.svc.cluster.local
HTTPS: no · HSTS: no

Domain (DNS/Email) Security

linkerd.io
DNSSEC: no · SPF: no · DMARC: no · CAA: none
default.svc
DNSSEC: no · SPF: no · DMARC: no · CAA: none

Source

Domain Security

Raw ↑ 
generated: '2026-07-11'
method: probed
source: live DNS/TLS/HTTP probes of apis.yml + OpenAPI hosts
hosts:
- host: linkerd.io
  https: true
  tls_version: TLSv1.3
  cert_expires: Sep 30 15:31:59 2026 GMT
  hsts: false
- host: kubernetes.default.svc
  https: false
- host: metrics-api.linkerd-viz.svc.cluster.local
  https: false
domains:
- domain: linkerd.io
  dnssec: false
  caa: []
  spf: false
  dmarc: false
- domain: default.svc
  dnssec: false
  caa: []
  spf: false
  dmarc: false