Pi-hole v6 Single IP Address #5472

rfpludwick · 2025-05-26T18:18:05Z

rfpludwick
May 26, 2025

It appears that Pi-hole v6 does not support comma-separated IP addresses coming from external-dns:

time="2025-05-26T18:17:26Z" level=fatal msg="Failed to do run once: received 400 status code from request: [bad_request] Invalid value (dns.hosts[10]: neither a valid IPv4 nor IPv6 address (\"192.168.1.155;192.168.1.166;192.168.1.180;192.168.1.32;192.168.1.59;192.168.1.60;192.168.1.64;192.168.1.97\")) - 0.000335s"

I annotate my services like so:

apiVersion: v1
kind: Service
metadata:
  name: ...
  labels:
    app: ...
  annotations:
    external-dns.alpha.kubernetes.io/hostname: ...
spec:
  type: NodePort
...

Is there a way I can force external-dns to use only the node IP where the service lives? Or force it to limit to just 1 IP address?

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Pi-hole v6 Single IP Address #5472

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rfpludwick May 26, 2025

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rfpludwick
May 26, 2025