Are any of these servers what you are looking for?

Servers with "ZOMBIEMOD" and "UNLIMITED" in the name:
Casual Mature Gamers 8: ZombieMod || Unlimited Ammo || FastD
Untouchable-Gaming | Zombiemod |Unlimited-Ammo| GameMe | Fas
SPAWNPOINT.COM | ZOMBIEMOD EAST | UNLIMITED AMMO | Lila 24/7
FR █ ZOMBIEMOD █ UNLIMITED AMMO | papys-aperos.fr
ZombieMod |Unlimited Ammo|150+ Maps|NO Lagg| RevGamingOnline
Zombiemod DEUTSCH unlimited ammo [>G-L-G<]
FR | ZOMBIEMOD | UNLIMITED AMMO | supreme-elite.fr
[FR] ZOMBIEMOD █ R P G █ UNLIMITED AMMO █ T-FOUNE
(GER) | 02 | DHC | Zombiemod | Unlimited Ammo | GameME | Fas
ZombieMod | KolonyGaming :: 24/7 Panic - UnlimitedAmmo - Fas