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Updated dns-pod-service.md (#9552)

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* Updated dns-pod-service.md

Added a note on A records creation

* Updated dns-pod-service.md

Added Hugo  {{ note }} shortcode

* Update dns-pod-service.md

Changed wording

* tighten up the wording
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Denis Salamanca
2018-07-20 17:08:33 -06:00
committed by k8s-ci-robot
parent 487c243591
commit a9b1cdb4e9
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content/en/docs/concepts/services-networking/dns-pod-service.md
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@@ -148,6 +148,10 @@ A record at that name, pointing to the Pod's IP. Both pods "`busybox1`" and
The Endpoints object can specify the `hostname` for any endpoint addresses, The Endpoints object can specify the `hostname` for any endpoint addresses,
along with its IP. along with its IP.
{{< note >}}
**Note:** Because A records are not created for Pod names, `hostname` is required for the Pod's A record to be created. A Pod with no `hostname` but with `subdomain` only will only create the A record for the headless service (`default-subdomain.my-namespace.svc.cluster.local`), pointing to the Pod's IP address.
{{< /note >}}
### Pod's DNS Policy ### Pod's DNS Policy
DNS policies can be set on a per-pod basis. Currently Kubernetes supports the DNS policies can be set on a per-pod basis. Currently Kubernetes supports the