diff --git a/app/Models/Address.php b/app/Models/Address.php
index 9876dd0..3cdcd93 100644
--- a/app/Models/Address.php
+++ b/app/Models/Address.php
@@ -254,20 +254,28 @@ class Address extends Model
 		$ftn = self::parseFTN($address);
 		$do = $ftn['d'] ? Domain::where('name',$ftn['d'])->single() : NULL;
 
-		if ($ftn['z'] === 0)
-			Log::alert(sprintf('%s:! newFTN was parsed an FTN [%s] with a zero zone',self::LOGKEY,$address));
-
-		$zo = Zone::where('zone_id',$ftn['z'])
-			->when($do,fn($query)=>$query->where('domain_id',$do->id))
-			->single();
-
 		$o = new self;
-		$o->zone_id = $zo?->id;
 		$o->region_id = $ftn['r'];
 		$o->host_id = $ftn['n'];
 		$o->node_id = $ftn['f'];
 		$o->point_id = $ftn['p'];
 
+		if ($ftn['z'] === 0) {
+			Log::alert(sprintf('%s:! newFTN was parsed an FTN [%s] with a zero zone, adding empty zone in domain',self::LOGKEY,$address));
+
+			$zo = new Zone;
+			$zo->domain_id = $do?->id;
+
+		} else {
+			$zo = Zone::where('zone_id',$ftn['z'])
+				->when($do,fn($query)=>$query->where('domain_id',$do->id))
+				->single();
+
+			$o->zone_id = $zo?->id;
+		}
+
+		$o->zone()->associate($zo);
+
 		return $o;
 	}
 
@@ -761,6 +769,9 @@ class Address extends Model
 		if (! $this->relationLoaded('zone'))
 			$this->load(['zone:id,domain_id,zone_id']);
 
+		if (! $this->zone)
+			throw new InvalidFTNException(sprintf('Invalid Zone for FTN address [%d/%d.%d@%s]',$this->host_id ?: $this->region_id,$this->node_id,$this->point_id,$this->domain?->name));
+
 		return sprintf('%d:%s',$this->zone->zone_id,$this->getFTN2DAttribute());
 	}