nss-tls: nss-tls (DNS-over-HTTPS resolver) nss-tls: nss-tls: nss-tls is an alternative, encrypted name resolving library for Linux nss-tls: distributions with glibc which uses DNS-over-HTTPS. The glibc name nss-tls: resolver can be configured through nsswitch.conf(5) to use nss-tls nss-tls: instead of the DNS resolver, or fall back to DNS when nss-tls fails. nss-tls: nss-tls: nss-tls: nss-tls: nss-tls: