troubleshooting Question

Missing .local in prt record

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timgbaldwin asked on
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I have been noticing DNS problems on the network. Timeouts, failed lookups, etc. While checking the ptr records on the domain controllers, I noticed that all other records show server.domain.local. While all 3 domain controllers have an additional ptr that show only server.domain. and missing the "local." on the end. If I delete these seemingly unnecessary entries, they are automatically re-created. It seems like this could be the source of my DNS problems. Is this normal for MS DNS?

We use our TWC Fiber ISP servers for DNS forwarders, and Open DNS. We've also used google DNS, but those seem to be worse for external lookups.

I've also run colosoft capsa 7 from my workstation and find hundreds of "DNS Server Error" and "TCP slow response" errors. When I run the BPA scan I get multiple warnings saying that the root hint servers must respond to queries for the root zone.

We have all NEW Dell server equipment, and new Cisco 48 port switches all set up in February. These problems just started recently.  I'm not sure what could be causing these issues. Could someone help?
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