why can i host only 1 zone?

[Guest bdwinsalt.]

ok i have everything configed. to make my zones work well one time i could only host 1 that would appear on dl list then 2 now only 1 . i have all ports unblocked and forwarded to ym comp and the zones are connected but not on list why is this? inicheck says all is ok. is it my comp or modem? i have a surfboard 4100 cable modem

[Yupa]

http://shanky.com/server/second/index.html