some progress

app/Models/Site.php

@@ -38,4 +38,19 @@ class Site extends Model
     {
         return $this->hasMany(BrokenLink::class);
     }
+
+    public function tcpPorts(): HasMany
+    {
+        return $this->hasMany(TcpPort::class);
+    }
+
+    public function healthChecks(): HasMany
+    {
+        return $this->hasMany(HealthCheck::class);
+    }
+
+    public function dnsRecords(): HasMany
+    {
+        return $this->hasMany(DnsRecord::class);
+    }
 }