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[enterprise-4.14] Update installation-user-provisioned-validating-dns.adoc#65679

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bscott-rh merged 1 commit intoopenshift:enterprise-4.14from
openshift-cherrypick-robot:cherry-pick-65648-to-enterprise-4.14
Oct 3, 2023
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[enterprise-4.14] Update installation-user-provisioned-validating-dns.adoc#65679
bscott-rh merged 1 commit intoopenshift:enterprise-4.14from
openshift-cherrypick-robot:cherry-pick-65648-to-enterprise-4.14

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@openshift-cherrypick-robot

This is an automated cherry-pick of #65648

/assign bscott-rh

In the example of DNS configuration for user-provisioned clusters:

https://docs.openshift.com/container-platform/4.14/installing/installing_vsphere/installing-vsphere.html#installation-dns-user-infra-example_installing-vsphere

The TTL value is 1w, according to that the output of dig command should be "604800"

Sample DNS zone database:
```
$TTL 1W
@       IN      SOA     ns1.example.com.        root (
                        2019070700      ; serial
                        3H              ; refresh (3 hours)
                        30M             ; retry (30 minutes)
                        2W              ; expiry (2 weeks)
                        1W )            ; minimum (1 week)
        IN      NS      ns1.example.com.
        IN      MX 10   smtp.example.com.
...
...
```

Sample DNS zone database for reverse records:
```
$TTL 1W
@       IN      SOA     ns1.example.com.        root (
                        2019070700      ; serial
                        3H              ; refresh (3 hours)
                        30M             ; retry (30 minutes)
                        2W              ; expiry (2 weeks)
                        1W )            ; minimum (1 week)
        IN      NS      ns1.example.com.
```

This is incorrect value:
```
$ dig +noall +answer @<nameserver_ip> api.<cluster_name>.<base_domain>
api.ocp4.example.com.           0       IN      A       192.168.1.5
```

The correct value according to TTL 1w
```
$ dig +noall +answer @<nameserver_ip> api.<cluster_name>.<base_domain>
api.ocp4.example.com.           604800       IN      A       192.168.1.5
```
@openshift-ci openshift-ci bot added the size/S Denotes a PR that changes 10-29 lines, ignoring generated files. label Oct 3, 2023
@bscott-rh bscott-rh merged commit 74f2988 into openshift:enterprise-4.14 Oct 3, 2023
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