Stub entry: single definition derived from the EU NIS 2 Directive; sector-specific readings not yet documented — contributions welcome.
an entity that provides: (a) publicly available recursive domain name resolution services for internet end-users; or (b) authoritative domain name resolution services for third-party use, with the exception of root name servers
Directive (EU) 2022/2555 (NIS 2 Directive), Art. 6(20)