/usr/ is in php-email-validator 1.2.13-1.
This file is owned by root:root, with mode 0o755.
..
/usr/share/
/usr/share/doc/
/usr/share/doc/php-email-validator/
/usr/share/doc/php-email-validator/Other.md
/usr/share/doc/php-email-validator/README.md
/usr/share/doc/php-email-validator/RFC5321BNF.html
/usr/share/doc/php-email-validator/RFC5322BNF.html
/usr/share/doc/php-email-validator/changelog.Debian.gz
/usr/share/doc/php-email-validator/changelog.gz
/usr/share/doc/php-email-validator/copyright
/usr/share/php/
/usr/share/php/Egulias/
/usr/share/php/Egulias/EmailValidator/
/usr/share/php/Egulias/EmailValidator/EmailLexer.php
/usr/share/php/Egulias/EmailValidator/EmailParser.php
/usr/share/php/Egulias/EmailValidator/EmailValidator.php
/usr/share/php/Egulias/EmailValidator/EmailValidatorInterface.php
/usr/share/php/Egulias/EmailValidator/Parser/
/usr/share/php/Egulias/EmailValidator/Parser/DomainPart.php
/usr/share/php/Egulias/EmailValidator/Parser/LocalPart.php
/usr/share/php/Egulias/EmailValidator/Parser/Parser.php
/usr/share/php/Egulias/EmailValidator/autoload.php