Select network interface:

A tombstone is a container object consisting of the deleted objects from AD. These objects have not been physically removed from the database. When an AD object, such as a user is deleted, the object technically remains in the directory for a given period of time; known as the Tombstone Lifetime.
Go to Options -> Controls
nslookup google.com
Server: UnKnown
Address: 192.168.0.1
Non-authoritative answer:
Name: google.com
Addresses: 2a00:1450:4010:c0f::65
2a00:1450:4010:c0f::66
2a00:1450:4010:c0f::8a
2a00:1450:4010:c0f::8b
108.177.14.138
108.177.14.102
108.177.14.139
108.177.14.101
108.177.14.100
108.177.14.113
Register MMC Snapin:
regsvr32 schmmgmt.dll
Press Windows Key + R, type mmc
, and press Enter. Go to File->Add or Remove Snapin: