portal-api/app/Models/DnsDomain.php

<?php

namespace App\Models;

use App\Traits\LogsActivity;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;

class DnsDomain extends Model
{
    use HasFactory, LogsActivity;

    public const STATUS_PENDING = 0;
    public const STATUS_CREATED = 1;
    public const STATUS_INACTIVE = 2;
    public const STATUS_CANCELLED = 3;

    protected $table = 'dns_manager_domain';

    protected $fillable = [
        'domain_name',
        'dns_manager_server_id',
        'is_created',
        'plesk_id',
        'registrar_id',
    ];

    public function scopeNotCancelled($query)
    {
        return $query->where('is_created', '!=', self::STATUS_CANCELLED);
    }

    public function customer()
    {
        return $this->belongsToMany(Customer::class, 'dns_domain_user', 'domain_id', 'user_id')->withTimestamps();
    }

    public function registrar()
    {
        return $this->belongsTo(Registrar::class);
    }

    public function users()
    {
        return $this->customer();
    }

    public function server()
    {
        return $this->belongsTo(DnsServer::class, 'dns_manager_server_id', 'id');
    }

    public function ns()
    {
        return $this->hasMany(DnsManagerNS::class, 'dns_manager_domain_id', 'id');
    }

    public function record()
    {
        return $this->hasMany(DnsRecord::class, 'dns_manager_domain_id', 'id');
    }
}