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QuenchWorks

unbound

Chart · Coordination · standard · v0.0.5

digest pinnedcosign signedSPDX SBOMSLSA provenanceamd64 · arm64Rebuilt 2026-10-22

Unbound, the validating, recursive, caching DNS resolver from NLnet Labs. Built from source with libevent, expat and dnscrypt; a nonroot config on port 5053 with DNSSEC validation and answers for private ranges only.

Version

0.0.5 · latest0.0.40.0.3

The latest line lives at the base page; older lines have their own page so you can pin and verify exactly that version. Only the most recent releases are listed — an older chart pins an older image digest.

Deployed image digest

sha256:241af0530f6316bcc2329c22e25fdc042d0801bd02d9f96ed1bba4f04c511f4f

Chart OCI version

oci://ghcr.io/quenchworks/charts/unbound:0.0.5

The chart pins its image by this signed digest, so you never track it yourself. Signatures, SBOM, and provenance attach to the same digest.

Signed
cosign keyless
SBOM
SPDX, on image
Provenance
SLSA build
Architectures
amd64, arm64
Runs as
nonroot (uid 1001)
Root filesystem
read-only
Image size
16.5 MB

Security report (Trivy)

A+· 100/1000 fixable CVEs
0
Critical
0
High
0
Medium
0
Low
0
Unknown

Security report (Trivy) · image unbound 1.26.2

Install the chart

Deploy to Kubernetes with hardened defaults. The chart pins its image by signed digest, so you never track it yourself.

Install (latest)

helm install my-unbound oci://ghcr.io/quenchworks/charts/unbound --version 0.0.5

Deploys image (digest-pinned)

Chart version
0.0.5
App version
1.26.2
Chart license
BSD-3-Clause
App license
BSD-3-Clause
Service port
53
Signed
cosign (keyless)
Values schema
yes
Last published
2026-10-22
Values keys
  • image: repository digest pullPolicy
  • nameOverride
  • fullnameOverride
  • imagePullSecrets
  • replicas
  • config
  • resources: requests limits
  • nodeSelector
  • tolerations
  • affinity
  • service: type port clusterIP
  • serviceAccount: create name annotations
  • podSecurityContext
  • containerSecurityContext

Verify the chart

cosign verify ghcr.io/quenchworks/charts/unbound:0.0.5 \
  --certificate-identity-regexp 'https://github.com/quenchworks/.+' \
  --certificate-oidc-issuer https://token.actions.githubusercontent.com

Transparency

The chart publishes its attestations on GitHub and the image it deploys carries its own on the same digest, publicly verifiable with the commands above. Both log to the Sigstore transparency log (Rekor), which cosign verify checks for you.

View the imageView on ArtifactHubChart source

Upstream project: https://nlnetlabs.nl/projects/unbound/