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[WIP] Documentation for custom pod DNS alpha feature #6408

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[WIP] Documentation for custom pod DNS alpha feature #6408

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2 changes: 2 additions & 0 deletions docs/concepts/services-networking/dns-pod-service.md
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Expand Up @@ -241,6 +241,8 @@ options ndots:5

### DNS Policy

TODO(MrHohn): Add information about custom pod DNS here.

By default, DNS policy for a pod is 'ClusterFirst'. So pods running with hostNetwork cannot resolve DNS names. To have DNS options set along with hostNetwork, you should specify DNS policy explicitly to 'ClusterFirstWithHostNet'. Update the busybox.yaml as following:

```yaml
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