db.2.1.192.in-addr.arpa.

This a good VPN source

;
; BIND reverse data file for untrusted net
;
$TTL	604800
@	IN	SOA	2.1.192.in-addr.arpa. root.freeswan.org. (
			200305261	; Serial
			 604800		; Refresh
			  86400		; Retry
			2419200		; Expire
			 604800 )	; Negative Cache TTL
	IN	NS	nic.root-servers.net.
	IN	NS	beet.root-servers.net.
$INCLUDE K2.1.192.in-addr.arpa.+001+20181.key
; normal IP
23	IN	PTR	east.uml.freeswan.org.
	IN      KEY     0x4200 4 1 AQN3cn11FrBVbZhWGwRnFDAf8O9FHBmBIyIvmvt0kfkI2UGDDq8k+vYgRkwBZDviLd1p3SkL30LzuV0rqG3vBriqaAUUGoCQ0UMgsuX+k01bROLsqGB1QNXYvYiPLsnoDhKd2Gx9MUMHEjwwEZeyskMT5k91jvoAZvdEkg+9h7urbJ+kRQ4e+IHkMUrreDGwGVptV/hYQVCD54RZep6xp5ymaKRCDgMpzWvlzO80fP7JDjSZf9LI/MMu6c+qwXIKnWoNha75IhFyLWniVczxK2RdhmMhLsi0kC0CoOwWDSIEOb+5zbECDjjud+SF5tT8qRCWnSomX8jtbCdZ50WraQlL
        IN      TXT     "X-IPsec-Server(10)=192.1.2.23" " AQN3cn11FrBVbZhWGwRnFDAf8O9FHBmBIyIvmvt0kfkI2UGDDq8k+vYgRkwBZDviLd1p3SkL30LzuV0rqG3vBriqaAUUGoCQ0UMgsuX+k01bROLsqGB1QNXYvYiPLsnoDhKd2Gx9MUMHEjwwEZeyskMT5k91jvoAZvdEkg+9h7urbJ+kRQ4e+IHkMUrreDGwGVptV/hYQVCD54RZep6xp5ymaKRCDgMpzWvlzO80fP7JDjSZf9LI/MMu6c+qwX" "IKnWoNha75IhFyLWniVczxK2RdhmMhLsi0kC0CoOwWDSIEOb+5zbECDjjud+SF5tT8qRCWnSomX8jtbCdZ50WraQlL"

; IP used for dealing with being an OE responder.
24	IN	PTR	east.uml.freeswan.org.
	IN      KEY     0x4200 4 1 AQN3cn11FrBVbZhWGwRnFDAf8O9FHBmBIyIvmvt0kfkI2UGDDq8k+vYgRkwBZDviLd1p3SkL30LzuV0rqG3vBriqaAUUGoCQ0UMgsuX+k01bROLsqGB1QNXYvYiPLsnoDhKd2Gx9MUMHEjwwEZeyskMT5k91jvoAZvdEkg+9h7urbJ+kRQ4e+IHkMUrreDGwGVptV/hYQVCD54RZep6xp5ymaKRCDgMpzWvlzO80fP7JDjSZf9LI/MMu6c+qwXIKnWoNha75IhFyLWniVczxK2RdhmMhLsi0kC0CoOwWDSIEOb+5zbECDjjud+SF5tT8qRCWnSomX8jtbCdZ50WraQlL
        IN      TXT     "X-IPsec-Server(10)=192.1.2.24" " AQN3cn11FrBVbZhWGwRnFDAf8O9FHBmBIyIvmvt0kfkI2UGDDq8k+vYgRkwBZDviLd1p3SkL30LzuV0rqG3vBriqaAUUGoCQ0UMgsuX+k01bROLsqGB1QNXYvYiPLsnoDhKd2Gx9MUMHEjwwEZeyskMT5k91jvoAZvdEkg+9h7urbJ+kRQ4e+IHkMUrreDGwGVptV/hYQVCD54RZep6xp5ymaKRCDgMpzWvlzO80fP7JDjSZf9LI/MMu6c+qwX" "IKnWoNha75IhFyLWniVczxK2RdhmMhLsi0kC0CoOwWDSIEOb+5zbECDjjud+SF5tT8qRCWnSomX8jtbCdZ50WraQlL"
45	IN	PTR	west.uml.freeswan.org.
	IN      KEY     0x4200 4 1 AQNzGEFs18VKT00sA+4p+GUKn9C55PYuPQca6C+9Qhj0jfMdQnTRTDLeI+lp9TnidHH7fVpq+PkfiF2LHlZtDwMurLlwzbNOghlEYKfQ080WlOTTUAmOLhAzH28MF70q3hzq0m5fCaVZWtxcV+LfHWdxceCkjBUSaTFtR2W12urFCBz+SB3+OM33aeIbfHxmck2yzhJ8xyMods5kF3ek/RZlFvgN8VqBdcFVrZwTh0mXDCGN12HNFixL6FzQ1jQKerKBbjb0m/IPqugvpVPWVIUajUpLMEmi1FAXc1mFZE9x1SFuSr0NzYIu2ZaHfvsAZY5oN+I+R2oC67fUCjgxY+t7
	IN      TXT     "X-IPsec-Server(10)=192.1.2.45 " "AQNzGEFs18VKT00sA+4p+GUKn9C55PYuPQca6C+9Qhj0jfMdQnTRTDLeI+lp9TnidHH7fVpq+PkfiF2LHlZtDwMurLlwzbNOghlEYKfQ080WlOTTUAmOLhAzH28MF70q3hzq0m5fCaVZWtxcV+LfHWdxceCkjBUSaTFtR2W12urFCBz+SB3+OM33aeIbfHxmck2yzhJ8xyMods5kF3ek/RZlFvgN8VqBdcFVrZwTh0mXDCGN12HNFixL6FzQ1jQ" "KerKBbjb0m/IPqugvpVPWVIUajUpLMEmi1FAXc1mFZE9x1SFuSr0NzYIu2ZaHfvsAZY5oN+I+R2oC67fUCjgxY+t7"
254	IN	PTR	nic.root-servers.net.