You have a DNS server named Served that has a Server Core Installation on Windows Server 2012 R2.
You need to view the time-to-live (TTL) value of a name server (NS) record that is cached by the DNS Server service on Server1.
What should you run?
A. Show-DNSServerCache
B. nslookup.exe
C. ipconfig.exe /displaydns
D. dnscacheugc.exe