PrismKit網路MAC 位址查詢MAC 位址查詢在瀏覽器中執行本機複製連結Markdown查詢 MAC 位址或 OUI 前綴所登記的硬體廠商。MAC 位址產生器Generate one or many random MAC addresses with a fixed prefix, case, and separator of your choosing.SPF 與 DMARC 記錄產生器Build SPF and DMARC TXT records for your domain, with a lookup counter and a ready-to-paste zone file line.