diff --git a/app/Console/Commands/ZoneCheck.php b/app/Console/Commands/ZoneCheck.php
index 78f75ea..ba1e7aa 100644
--- a/app/Console/Commands/ZoneCheck.php
+++ b/app/Console/Commands/ZoneCheck.php
@@ -18,12 +18,12 @@ class ZoneCheck extends Command
 	{
 		$do = Domain::where('name',$this->argument('domain'))->singleOrFail();
 
-		foreach ($do->zones as $zo) {
+		foreach ($do->zones->sortby('zone_id') as $zo) {
 			if ($this->option('zone') && ($this->option('zone') != $zo->zone_id))
 				continue;
 
 			$this->warn('Zone: '.$zo->zone_id);
-			$this->info(sprintf('- Our address(es): %s',our_address($zo)->pluck('ftn4d')->join(',')));
+			$this->info(sprintf('- Our address(es): %s',our_address($do)->pluck('ftn4d')->join(',')));
 
 			$this->table(['id','ftn','role','parent','region_id','host_id','hub_id','system','notes'],$zo->addresses()->FTNorder()->active()->with(['system'])->get()->transform(function($item) {
 				return [
diff --git a/app/Models/Address.php b/app/Models/Address.php
index 92ee5c3..812ed5c 100644
--- a/app/Models/Address.php
+++ b/app/Models/Address.php
@@ -36,6 +36,7 @@ class Address extends Model
 	public const NODE_DOWN		= 1<<7;		// Down
 	public const NODE_POINT		= 1<<8;		// Point
 	public const NODE_UNKNOWN	= 1<<15;	// Unknown
+	public const NODE_ALL		= 0xFFF;	// Mask to catch all nodes
 
 	public static function boot()
 	{
@@ -148,105 +149,6 @@ class Address extends Model
 
 	/* RELATIONS */
 
-	/**
-	 * Find children dependent on this record
-	 */
-	public function children()
-	{
-		// We have no session data for this address, by definition it has no children
-		if (! $this->session('sespass'))
-			return $this->hasMany(self::class,'id','void');
-
-		if (! $this->session('default')) {
-			switch ($this->role) {
-				case self::NODE_ZC:
-					$children = self::select('addresses.*')
-						->where('zone_id',$this->zone_id);
-
-					break;
-
-				case self::NODE_RC:
-					$children = self::select('addresses.*')
-						->where('zone_id',$this->zone_id)
-						->where('region_id',$this->region_id);
-
-					break;
-
-				case self::NODE_NC:
-					$children = self::select('addresses.*')
-						->where('zone_id',$this->zone_id)
-						->where('region_id',$this->region_id)
-						->where('host_id',$this->host_id);
-
-					break;
-
-				case self::NODE_HC:
-					// Identify our children.
-					$children = self::select('addresses.*')
-						->where('zone_id',$this->zone_id)
-						->where('region_id',$this->region_id)
-						->where('hub_id',$this->id);
-
-					break;
-
-				case self::NODE_ACTIVE:
-				case self::NODE_PVT:
-				case self::NODE_HOLD:
-				case self::NODE_DOWN:
-				case self::NODE_UNKNOWN:
-					// Identify our children.
-					$children = self::select('addresses.*')
-						->where('zone_id',$this->zone_id)
-						->where('region_id',$this->region_id)
-						->where('host_id',$this->host_id)
-						->where('node_id',$this->node_id)
-						->where('point_id','<>',0);
-					break;
-
-				case self::NODE_POINT:
-					// Points dont have children, but must return a relationship instance
-					return $this->hasOne(self::class,NULL,'void');
-
-				default:
-					throw new \Exception('Unknown role: '.serialize($this->role));
-			}
-
-		} else {
-			$children = self::select('addresses.*')
-				->where('zone_id',$this->zone_id);
-		}
-
-		// I cant have myself as a child, and have a high role than me
-		$children->where('id','<>',$this->id)
-			->where('role','>',$this->role);
-
-		// Remove any children that we have session details for (SAME AS HC)
-		$sessions = self::select('hubnodes.*')
-			->join('system_zone',['system_zone.system_id'=>'addresses.system_id','system_zone.zone_id'=>'addresses.zone_id'])
-			->join('addresses as hubnodes',['hubnodes.zone_id'=>'addresses.zone_id','hubnodes.id'=>'addresses.id'])
-			->where('addresses.zone_id',$this->zone_id)
-			->where('addresses.system_id','<>',$this->system_id)
-			->whereIN('addresses.system_id',$children->get()->pluck('system_id'));
-
-		// For each of the session, identify their children
-		$session_kids = collect();
-		foreach ($sessions->get() as $so)
-			$session_kids = $session_kids->merge(($x=$so->children) ? $x->pluck('id') : []);
-
-		// ZC's receive all mail, except for defined nodes, and defined hubs/hosts/rcs
-		return $this->hasMany(self::class,'zone_id','zone_id')
-			->whereIn('id',$children->get()->pluck('id')->toArray())
-			->whereNotIn('id',$sessions->get()->pluck('id')->toArray())
-			->whereNotIn('id',$session_kids->toArray())
-			->where('system_id','<>',$this->system_id)
-			->select('addresses.*')
-			->orderBy('region_id')
-			->orderBy('host_id')
-			->orderBy('node_id')
-			->orderBy('point_id')
-			->with(['zone.domain']);
-	}
-
 	public function dynamics()
 	{
 		return $this->hasMany(Dynamic::class);
@@ -291,7 +193,7 @@ class Address extends Model
 	}
 
 	/**
-	 * Echoareas this address is subscribed to
+	 * Fileareas this address is subscribed to
 	 *
 	 * @return \Illuminate\Database\Eloquent\Relations\BelongsToMany
 	 */
@@ -301,96 +203,6 @@ class Address extends Model
 			->withPivot(['subscribed']);
 	}
 
-	/**
-	 * Who we send this systems mail to.
-	 *
-	 * @return Address|null
-	 * @throws \Exception
-	 */
-	public function parent(): ?Address
-	{
-		// If we have session password, then we are the parent
-		if ($this->session('sespass'))
-			return $this;
-
-		// If it is our address
-		if (our_address()->contains($this))
-			return NULL;
-
-		switch ($this->role) {
-			// ZCs dont have parents, but we may have a default
-			case self::NODE_ZC:
-				if (($x=$this->zone->systems->where('pivot.default',TRUE))->count())
-					return $x->first()->match($this->zone,255)->first();
-				else
-					return NULL;
-
-			// RC
-			case self::NODE_RC:
-				$parent = self::where('zone_id',$this->zone_id)
-					->where('region_id',0)
-					->where('host_id',0)
-					->where('node_id',0)
-					->single();
-
-				break;
-
-			// Hosts
-			case self::NODE_NC:
-				// See if we have an RC
-				$parent = self::where('zone_id',$this->zone_id)
-					->where('region_id',$this->region_id)
-					->where('host_id',$this->region_id)
-					->where('node_id',0)
-					->single();
-
-				if (! $parent) {
-					// See if we have an ZC
-					$parent = self::where('zone_id',$this->zone_id)
-						->where('region_id',0)
-						->where('host_id',0)
-						->where('node_id',0)
-						->single();
-				}
-
-				break;
-
-			// Hubs
-			case self::NODE_HC:
-			// Normal Nodes
-			case self::NODE_ACTIVE:
-			case self::NODE_PVT:
-			case self::NODE_HOLD:
-			case self::NODE_DOWN:
-			case self::NODE_UNKNOWN:
-				// If we are a child of a hub, then check our hub
-				$parent = ($this->hub_id
-					? self::where('id',$this->hub_id)
-					: self::where('zone_id',$this->zone_id)
-					->where('region_id',$this->region_id)
-					->where('host_id',$this->host_id)
-					->where('role','<',self::NODE_HC))
-					->active()
-					->single();
-				break;
-
-			case self::NODE_POINT:
-				$parent = self::where('zone_id',$this->zone_id)
-					->where('region_id',$this->region_id)
-					->where('host_id',$this->host_id)
-					->where('node_id',$this->node_id)
-					->where('point_id',0)
-					->active()
-					->single();
-				break;
-
-			default:
-				throw new \Exception(sprintf('Unknown role: %s (%d)',serialize($this->role),$this->id));
-		}
-
-		return $parent?->parent();
-	}
-
 	public function system()
 	{
 		return $this->belongsTo(System::class);
@@ -466,6 +278,101 @@ class Address extends Model
 
 	/* METHODS */
 
+	/**
+	 * Find children dependent on this record
+	 */
+	public function children(): Collection
+	{
+		// We have no session data for this address, by definition it has no children
+		if (! $this->session('sespass') && (! our_address()->pluck('id')->contains($this->id)))
+			return new Collection;
+
+		// If this system is not marked to default route for this address
+		if (! $this->session('default')) {
+			switch ($this->role) {
+				case self::NODE_ZC:
+					$children = self::select('addresses.*')
+						->where('zone_id',$this->zone_id);
+
+					break;
+
+				case self::NODE_RC:
+					$children = self::select('addresses.*')
+						->where('zone_id',$this->zone_id)
+						->where('region_id',$this->region_id);
+
+					break;
+
+				case self::NODE_NC:
+					$children = self::select('addresses.*')
+						->where('zone_id',$this->zone_id)
+						->where('region_id',$this->region_id)
+						->where('host_id',$this->host_id);
+
+					break;
+
+				case self::NODE_HC:
+					// Identify our children.
+					$children = self::select('addresses.*')
+						->where('zone_id',$this->zone_id)
+						->where('region_id',$this->region_id)
+						->where('hub_id',$this->id);
+
+					break;
+
+				case self::NODE_ACTIVE:
+				case self::NODE_PVT:
+				case self::NODE_HOLD:
+				case self::NODE_DOWN:
+				case self::NODE_UNKNOWN:
+					// Identify our children.
+					$children = self::select('addresses.*')
+						->where('zone_id',$this->zone_id)
+						->where('region_id',$this->region_id)
+						->where('host_id',$this->host_id)
+						->where('node_id',$this->node_id)
+						->where('point_id','<>',0);
+					break;
+
+				case self::NODE_POINT:
+					// Points dont have children, but must return a relationship instance
+					return new Collection;
+
+				default:
+					throw new \Exception('Unknown role: '.serialize($this->role));
+			}
+
+			// We route everything for this domain
+		} else {
+			$children = self::select('addresses.*')
+				->join('zones',['zones.id'=>'addresses.zone_id'])
+				->where('domain_id',$this->zone->domain_id);
+		}
+
+		// I cant have myself as a child, and have a high role than me
+		$children = $children->where('addresses.id','<>',$this->id)
+			->where('role','>',$this->role)
+			->FTNorder()
+			->active()
+			->get();
+
+		// If there are no children
+		if (! $children->count())
+			return new Collection;
+
+		// Exclude links and their children.
+		$exclude = collect();
+		foreach (our_nodes($this->zone->domain)->merge(our_address($this->zone->domain)) as $o) {
+			// If this address is in our list, remove it and it's children
+			if ($children->contains($o)) {
+				$exclude = $exclude->merge($o->children());
+				$exclude->push($o);
+			}
+		}
+
+		return $children->filter(function($item) use ($exclude) { return ! $exclude->pluck('id')->contains($item->id);});
+	}
+
 	/**
 	 * Create an FTN address associated with a system
 	 *
@@ -892,10 +799,11 @@ class Address extends Model
 	 * Netmail waiting to be sent to this system
 	 *
 	 * @return Collection
+	 * @throws \Exception
 	 */
 	public function netmailWaiting(): Collection
 	{
-		return Netmail::whereIn('tftn_id',(($x=$this->children) ? $x->pluck('id') : collect())->push($this->id))
+		return Netmail::whereIn('tftn_id',(($x=$this->children()) ? $x->pluck('id') : collect())->push($this->id))
 			->where(function($query) {
 				return $query->whereRaw(sprintf('(flags & %d) > 0',Message::FLAG_INTRANSIT))
 					->orWhereRaw(sprintf('(flags & %d) > 0',Message::FLAG_LOCAL));
@@ -920,6 +828,96 @@ class Address extends Model
 			->get();
 	}
 
+	/**
+	 * Who we send this systems mail to.
+	 *
+	 * @return Address|null
+	 * @throws \Exception
+	 */
+	public function parent(): ?Address
+	{
+		// If we have session password, then we are the parent
+		if ($this->session('sespass'))
+			return $this;
+
+		// If it is our address
+		if (our_address()->contains($this))
+			return NULL;
+
+		switch ($this->role) {
+			// ZCs dont have parents, but we may have a default
+			case self::NODE_ZC:
+				if (($x=$this->zone->systems->where('pivot.default',TRUE))->count())
+					return $x->first()->match($this->zone,255)->first();
+				else
+					return NULL;
+
+			// RC
+			case self::NODE_RC:
+				$parent = self::where('zone_id',$this->zone_id)
+					->where('region_id',0)
+					->where('host_id',0)
+					->where('node_id',0)
+					->single();
+
+				break;
+
+			// Hosts
+			case self::NODE_NC:
+				// See if we have an RC
+				$parent = self::where('zone_id',$this->zone_id)
+					->where('region_id',$this->region_id)
+					->where('host_id',$this->region_id)
+					->where('node_id',0)
+					->single();
+
+				if (! $parent) {
+					// See if we have an ZC
+					$parent = self::where('zone_id',$this->zone_id)
+						->where('region_id',0)
+						->where('host_id',0)
+						->where('node_id',0)
+						->single();
+				}
+
+				break;
+
+			// Hubs
+			case self::NODE_HC:
+				// Normal Nodes
+			case self::NODE_ACTIVE:
+			case self::NODE_PVT:
+			case self::NODE_HOLD:
+			case self::NODE_DOWN:
+			case self::NODE_UNKNOWN:
+				// If we are a child of a hub, then check our hub
+				$parent = ($this->hub_id
+					? self::where('id',$this->hub_id)
+					: self::where('zone_id',$this->zone_id)
+						->where('region_id',$this->region_id)
+						->where('host_id',$this->host_id)
+						->where('role','<',self::NODE_HC))
+					->active()
+					->single();
+				break;
+
+			case self::NODE_POINT:
+				$parent = self::where('zone_id',$this->zone_id)
+					->where('region_id',$this->region_id)
+					->where('host_id',$this->host_id)
+					->where('node_id',$this->node_id)
+					->where('point_id',0)
+					->active()
+					->single();
+				break;
+
+			default:
+				throw new \Exception(sprintf('Unknown role: %s (%d)',serialize($this->role),$this->id));
+		}
+
+		return $parent?->parent();
+	}
+
 	/**
 	 *
 	 * Parse a string and split it out as an FTN array
diff --git a/app/Models/System.php b/app/Models/System.php
index e2b5888..d5370e9 100644
--- a/app/Models/System.php
+++ b/app/Models/System.php
@@ -211,7 +211,7 @@ class System extends Model
 	 * @return Collection
 	 * @todo This doesnt return sorted addresses, so it is possible that a node address is returned first, before a NC/HC, etc
 	 */
-	public function match(Zone $o,int $type=(Address::NODE_HC|Address::NODE_ACTIVE|Address::NODE_PVT|Address::NODE_POINT)): Collection
+	public function match(Zone $o,int $type=(Address::NODE_NC|Address::NODE_HC|Address::NODE_ACTIVE|Address::NODE_PVT|Address::NODE_POINT)): Collection
 	{
 		$akas = $this->akas
 			->where(function($item) use($o) {
diff --git a/app/helpers.php b/app/helpers.php
index 55e92e3..5aaceea 100644
--- a/app/helpers.php
+++ b/app/helpers.php
@@ -3,7 +3,7 @@
 use Carbon\Carbon;
 use Illuminate\Support\Collection;
 
-use App\Models\{Setup,Zone};
+use App\Models\{Address,Domain,Setup,Zone};
 
 /**
  * Calculate CCITT-CRC16 checksum
@@ -85,18 +85,38 @@ if (! function_exists('hexstr')) {
  * Return our addresses.
  * If zone provided, limit the list to those within the zone
  *
- * @param Zone|NULL $zo
+ * @param Domain|NULL $do
  * @return Collection
  */
-function our_address(Zone $zo=NULL): Collection
+function our_address(Domain $do=NULL): Collection
 {
 	$our = Setup::findOrFail(config('app.id'))->system->addresses;
 
-	return $zo
-		? $our->filter(function($item) use ($zo) { return $item->zone_id === $zo->id; })
+	return $do
+		? $our->filter(function($item) use ($do) { return $item->zone->domain_id === $do->id; })
 		: $our;
 }
 
+/**
+ * Return a list of nodes that collect mail directly from us
+ *
+ * @param Domain|NULL $do
+ * @return Collection
+ */
+function our_nodes(Domain $do=NULL): Collection
+{
+	return Address::select(['addresses.id','addresses.zone_id','region_id','host_id','node_id','point_id','addresses.system_id','role'])
+		->join('system_zone',['system_zone.system_id'=>'addresses.system_id','system_zone.zone_id'=>'addresses.zone_id'])
+		->when(! is_null($do),function($query) use ($do) {
+			return $query
+				->join('zones',['zones.id'=>'addresses.zone_id'])
+				->where('domain_id',$do->id);
+		})
+		->active()
+		->FTNorder()
+		->get();
+}
+
 if (! function_exists('timew')) {
 	/**
 	 * Convert a time into an 32 bit value. This is primarily used to create 8 character hex filenames that
diff --git a/resources/views/system/addedit.blade.php b/resources/views/system/addedit.blade.php
index 8b2499b..8a64cf4 100644
--- a/resources/views/system/addedit.blade.php
+++ b/resources/views/system/addedit.blade.php
@@ -292,7 +292,7 @@
 
 											<tbody>
 											@foreach($x as $zo)
-												@foreach ($o->match($zo) as $oo)
+												@foreach ($o->match($zo,\App\Models\Address::NODE_ALL) as $oo)
 													<tr>
 														<td>{{ $oo->ftn }}</td>
 														<td>
@@ -312,30 +312,28 @@
 
 								<!-- Systems this host collects for -->
 								<div class="col-6">
-									<h4>This host collects mail for the following systems:</h4>
-
 									@if($o->sessions->count())
+										<h4>This host collects mail for the following systems:</h4>
+
 										<table class="table monotable">
 											<thead>
 											<tr>
 												<th>AKA</th>
-												<th>Downlink</th>
+												<th>Downlink(s)</th>
 											</tr>
 											</thead>
 
 											<tbody>
 											@foreach ($o->sessions->sortBy('zone_id') as $zo)
-												@foreach ($o->match($zo) as $oo)
+												@foreach ($o->match($zo,\App\Models\Address::NODE_ALL) as $oo)
 													<tr>
 														<td>{{ $oo->ftn }}</td>
-														<td>{!! (($x=$oo->children) && $x->count()) ? $x->pluck('ftn4d')->join('<br>') : 'None' !!}</td>
+														<td>{!! (($x=$oo->children()) && $x->count()) ? $x->pluck('ftn4d')->join('<br>') : 'None' !!}</td>
 													</tr>
 												@endforeach
 											@endforeach
 											</tbody>
 										</table>
-									@else
-										<p>This host doesnt collect mail.</p>
 									@endif
 								</div>
 							</div>
diff --git a/tests/Feature/RoutingTest.php b/tests/Feature/RoutingTest.php
index 92a73d6..03d1ecc 100644
--- a/tests/Feature/RoutingTest.php
+++ b/tests/Feature/RoutingTest.php
@@ -110,7 +110,7 @@ class RoutingTest extends TestCase
 		$ao = Address::findFTN('101:0/0@a');
 
 		$this->assertEquals($ao->role,Address::NODE_ZC);
-		$this->assertCount(0,$ao->children);
+		$this->assertCount(0,$ao->children());
 		$this->assertNull($ao->parent());
 	}
 
@@ -120,7 +120,7 @@ class RoutingTest extends TestCase
 		$this->session_zc();
 
 		$ao = Address::findFTN('101:0/0@a');
-		$this->assertCount(935,$ao->children);
+		$this->assertCount(935,$ao->children());
 	}
 
 	// An RC's parent should be the ZC, when we have session details with parent
@@ -204,7 +204,7 @@ class RoutingTest extends TestCase
 		$ao->system->sessions()->attach([$ao->zone_id=>['sespass'=>'ABCD']]);
 
 		$ao = Address::findFTN('100:1/0@a');
-		$this->assertCount(185-36,$ao->children);
+		$this->assertCount(185-36,$ao->children());
 	}
 
 	// If we also have session details for an Hub, then there are less RC nodes
@@ -216,7 +216,7 @@ class RoutingTest extends TestCase
 		$ao->system->sessions()->attach([$ao->zone_id=>['sespass'=>'ABCD']]);
 
 		$ao = Address::findFTN('100:1/0@a');
-		$this->assertCount(185-6,$ao->children);
+		$this->assertCount(185-6,$ao->children());
 
 		$ao = Address::findFTN('100:10/22@a');
 		$this->assertEquals('100:10/20.0@a',$ao->parent()->ftn);
@@ -237,7 +237,80 @@ class RoutingTest extends TestCase
 		$this->session_nc();
 
 		$ao = Address::findFTN('100:10/7@a');
-		$this->assertCount(35,$ao->children);
+		$this->assertCount(35,$ao->children());
+	}
+
+	public function test_complex_rc_nc_hc()
+	{
+		$this->session_rc();
+		$this->session_nc();
+		$this->session_hub();
+
+		$ao = Address::findFTN('100:1/100.0@a');
+		$this->assertCount(0,$ao->children());
+		$this->assertEquals('100:1/0.0@a',$ao->parent()->ftn);
+
+		// RC
+		$ao = Address::findFTN('100:1/0.0@a');
+		$this->assertCount(186-1-30-6,$ao->children());
+
+		$ao = Address::findFTN('100:11/7.0@a');
+		$this->assertEquals('100:1/0.0@a',$ao->parent()->ftn);
+
+		// NC
+		$ao = Address::findFTN('100:10/7.0@a');
+		$this->assertCount(36-1-6,$ao->children());
+
+		$ao = Address::findFTN('100:10/10.0@a');
+		$this->assertEquals('100:10/7.0@a',$ao->parent()->ftn);
+
+		// HC
+		$ao = Address::findFTN('100:10/20.0@a');
+		$this->assertCount(6-1,$ao->children());
+
+		$ao = Address::findFTN('100:10/22.0@a');
+		$this->assertEquals('100:10/20.0@a',$ao->parent()->ftn);
+	}
+
+	public function test_complex_rc_nc_hc_us()
+	{
+		$setup = Setup::findOrFail(config('app.id'));
+		$ao = Address::findFTN('100:10/7.0@a');
+		$setup->system_id = $ao->system_id;
+		$setup->save();
+
+		/*
+		*/
+		$this->session_rc();
+		//$this->session_nc();
+		$this->session_hub();
+		$ao = Address::findFTN('100:11/7.0');
+		$ao->system->sessions()->attach([$ao->zone_id=>['sespass'=>'ABCD']]);
+
+		$ao = Address::findFTN('100:1/100.0@a');
+		$this->assertCount(0,$ao->children());
+		$this->assertEquals('100:1/0.0@a',$ao->parent()?->ftn);
+
+		// RC
+		$ao = Address::findFTN('100:1/0.0@a');
+		$this->assertCount(186-36-36-1,$ao->children());
+
+		$ao = Address::findFTN('100:11/7.0@a');
+		$this->assertEquals('100:11/7.0@a',$ao->parent()->ftn);
+
+		// NC
+		$ao = Address::findFTN('100:10/7.0@a');
+		$this->assertCount(36-6-1,$ao->children());
+
+		$ao = Address::findFTN('100:10/10.0@a');
+		$this->assertNull($ao->parent()?->ftn);
+
+		// HC
+		$ao = Address::findFTN('100:10/20.0@a');
+		$this->assertCount(6-1,$ao->children());
+
+		$ao = Address::findFTN('100:10/22.0@a');
+		$this->assertEquals('100:10/20.0@a',$ao->parent()->ftn);
 	}
 
 	// A points parent is the node, if we have traffic for a point and we have session details for the node
@@ -264,6 +337,6 @@ class RoutingTest extends TestCase
 		$this->assertEquals('100:10/21.0@a',$ao->parent()?->ftn);
 
 		$ao = Address::findFTN('100:10/21@a');
-		$this->assertCount(1,$ao->children);
+		$this->assertCount(1,$ao->children());
 	}
 }
\ No newline at end of file