Skip testing for Pod DNS records.

[prameshj]

DNS records of the form *.pod.cluster.local are deprecated - kubernetes/dns#335
Testing for their presence is not required.

What type of PR is this?

/kind cleanup

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

NONE

Additional documentation e.g., KEPs (Kubernetes Enhancement Proposals), usage docs, etc.:

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[prameshj]

/sig network

[prameshj]

/assign @aojea

[aojea]

/lgtm
/approve
Thanks, you are right, we should not enforce behaviors that are not required

[aojea]

/kind cleanup

[k8s-ci-robot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: aojea, prameshj

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