+Visited the AUR site of Arch about librewolf-bin. Executed commands that pinned user recommended. But there is another error.
Used commands
gpg --keyserver hkp://keyserver.ubuntu.com --search-keys 031F7104E932F7BD7416E7F6D2845E1305D6E801
gpg --keyserver hkp://keyserver.ubuntu.com --search-keys 662E3CDD6FE329002D0CA5BB40339DD82B12EF16
The error for both commands
gpg: error searching keyserver: Connection closed in DNS
gpg: keyserver search failed: Connection closed in DNS
Do I have anything to do with my ISP? Or only local problem?