单选题Users are reporting problems connecting to servers in the remote company.com domain. The administrator suspects this to be a DNS problem. Which of the following commands would the administrator run to identify the DNS server of the remote company.com?（）Adig company.com nsBipconfig/allCifconfig-aDdig company.com mx
单选题
Users are reporting problems connecting to servers in the remote company.com domain. The administrator suspects this to be a DNS problem. Which of the following commands would the administrator run to identify the DNS server of the remote company.com?（）
A
dig company.com ns
B
ipconfig/all
C
ifconfig-a
D
dig company.com mx
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