The abbreviation DN is often used by companies and individuals who are active in domain marketing. Based on the abbreviation DNS, for Domain Name System, DN stands for domain name. Of course, it is also conceivable to use the two letters as initials.
At the end of 2020, DNS Luxembourg auctioned off the one and two-character domains with the .lu TLD. The DN.lu was among the domains that were already allocated in the first auction period.
Frankcom IT Service, Eichenring 3, 94060 Pocking, Germany, Email: email@example.com