Name Resolution after re-subnetting

Comcast replaced their router last week and for some reason the could not set the LAN IP Address to where the old one was (192.168.0.2) so I had to re-subnet the network around the router (got to love Comcast). The network isn't that big so I didn't think it would take that long but I am running it to name resolution issues. One user complained her scanning was slow and referring to the server by IP brought the speed back so something is going on with name resolution.

It is a 2012 R2. The server is the DNS and points to itself. Here are some symptoms:

1) When I open up a command prompt on the server and ping itself (ping Server) what I get back are 4 "Reply from ::1: time<1ms"
2) In the forward lookup zone I have two NS Records of servers long past. How do you delete those?

I missed changing something from the old IP to the new. Any ideas?
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LockDown32OwnerAsked:
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Stephen McTigueConnect With a Mentor Assistant Director of Information TechnologyCommented:
Have you tried the following option within DNS:

1. Scavenge Stale Resource Records
2. Update Server Data Files
3. Clear Cache

See screenshot attached showing the location within DNS.

I hope this is helpful.
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Stephen McTigueAssistant Director of Information TechnologyCommented:
Here's the screenshot
MS_DNS_options.PNG
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LockDown32OwnerAuthor Commented:
No screen shot attached but I knew where the options were. Will let you know if it worked.
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LockDown32OwnerAuthor Commented:
It wasn't name resolution. It was indexing. Caused everything to run slow. Thanks for the input.
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