Fix nslookup returns non-zero error code on 'host.docker.internal'

[rocketeerbkw]

Checklist

• Affected Issues have been mentioned in the Closing issues section
• Documentation has been written/updated
• PR title is ready for changelog and subsystem label(s) applied

Fixes nslookup returning a non-zero error code when checking host.docker.internal

[drupal-example]php:/app$ nslookup host.docker.internal
Server:		127.0.0.11
Address:	127.0.0.11:53

Non-authoritative answer:
Name:	host.docker.internal
Address: 192.168.65.2

** server can't find host.docker.internal: NXDOMAIN

[drupal-example]php:/app$ echo $?
1
[drupal-example]php:/app$ nslookup -query=A host.docker.internal
Server:		127.0.0.11
Address:	127.0.0.11:53

Non-authoritative answer:
Name:	host.docker.internal
Address: 192.168.65.2

[drupal-example]php:/app$ echo $?
0

Closing issues

closes #1088