Function isIPv4

_worker.js:232–239

(value)

}

function isIPv4(value) {
	const parts = value.split('.');
	return parts.length === 4 && parts.every(part => {
		if (!/^\d{1,3}$/.test(part)) return false;
		const num = Number(part);
		return num >= 0 && num <= 255;
	});
}

function normalizeTxtValue(value) {
	const text = String(value ?? '').trim();