Dear Windows 7, how can this be?

C:\Users\sergey>nslookup win7video
Server:  ws2003.smel.local
Address:  192.168.2.221

Name:    win7video.smel.local
Address:  192.168.2.12


C:\Users\sergey>ping win7video

Pinging win7video.smel.local [192.168.2.19] with 32 bytes of data:
Reply from 192.168.2.10: Destination host unreachable.
Reply from 192.168.2.10: Destination host unreachable.

C:\Users\sergey>ping win7video.smel.local

Pinging win7video.smel.local [192.168.2.12] with 32 bytes of data:
Reply from 192.168.2.12: bytes=32 time=1ms TTL=128
Reply from 192.168.2.12: bytes=32 time=2ms TTL=128
Reply from 192.168.2.12: bytes=32 time=1ms TTL=128