  data() {
        return {
          certificates: [],
          loading: false,
          add: {
            zones: {},
            zone: null,
            recordName: "",
            dnsNames: [],
            dnsProviderName: "",
            useAdvancedOptions: false,
            certificateName: "",
            keyType: "RSA",
            keySize: "2048",
            keyCurveName: "P-256",
            reuseKey: false,
            loading: false,
            sending: false,
            modalActive: false