micwoj92 [1] filed a deletion request for dnssec-tlsa-validator-core [2]: "After struggling and failing to implement the DNSSEC/TLSA Validator extension for Firefox Quantum (57+) we've decided to stop the development and support of the extension." [1] https://aur.archlinux.org/account/micwoj92/ [2] https://aur.archlinux.org/pkgbase/dnssec-tlsa-validator-core/