ISC Bind v. 9.18.42 (2026-04-14) is available for download:
- http://os2.snc.ru/pub/misc/bind-9_18_42-20260414-02.zip
"BIND (Berkeley Internet Name Domain) is an implementation of the Domain Name System (DNS) protocols and provides an openly redistributable reference implementation of the major components of the Domain Name System."
Source: eCSoft/2