$26$ Log into the $172\mathrm{.}16\mathrm{.}90\mathrm{.}100$ machine. Analyze the C:$\backslash$DFP$\backslash$Exam$\_$Files$\backslash$Disks $\backslash$Disk$3.$ad$1$ image. What was the IP of the DNS server? A$.$ V $10\mathrm{.}10\mathrm{.}10\mathrm{.}10$ B$.$ O $10\mathrm{.}10\mathrm{.}10\mathrm{.}11$ c$.$ O $10\mathrm{.}10\mathrm{.}10\mathrm{.}12$