/usr/share/man/man3/ is in libval-dev 2.0-4.
This file is owned by root:root, with mode 0o755.
..
/usr/share/man/man3/val_gethostbyname.3.gz
/usr/share/man/man3/val_get_rrset.3.gz
/usr/share/man/man3/val_getaddrinfo.3.gz
/usr/share/man/man3/libval_shim.3.gz
/usr/share/man/man3/val_res_query.3.gz
/usr/share/man/man3/dnsval.conf.3.gz
/usr/share/man/man3/libsres.3.gz
/usr/share/man/man3/libval.3.gz
/usr/share/man/man3/dnsval_conf_set.3.gz
/usr/share/man/man3/val_create_context.3.gz
/usr/share/man/man3/p_val_status.3.gz
/usr/share/man/man3/val_gethostbyname_r.3.gz
/usr/share/man/man3/val_isvalidated.3.gz
/usr/share/man/man3/val_freeaddrinfo.3.gz
/usr/share/man/man3/val_gethostbyaddr.3.gz
/usr/share/man/man3/val_gethostbyaddr_r.3.gz
/usr/share/man/man3/val_free_result_chain.3.gz
/usr/share/man/man3/val_istrusted.3.gz
/usr/share/man/man3/resolv_conf_set.3.gz
/usr/share/man/man3/resolv_conf_get.3.gz
/usr/share/man/man3/val_free_response.3.gz
/usr/share/man/man3/val_res_search.3.gz
/usr/share/man/man3/dnsval_conf_get.3.gz
/usr/share/man/man3/p_ac_status.3.gz
/usr/share/man/man3/val_resolve_and_check.3.gz
/usr/share/man/man3/val_getnameinfo.3.gz
/usr/share/man/man3/val_context_setqflags.3.gz
/usr/share/man/man3/val_gethostbyname2_r.3.gz
/usr/share/man/man3/val_does_not_exist.3.gz
/usr/share/man/man3/val_free_context.3.gz
/usr/share/man/man3/root_hints_get.3.gz
/usr/share/man/man3/val_free_answer_chain.3.gz
/usr/share/man/man3/root_hints_set.3.gz
/usr/share/man/man3/val_add_valpolicy.3.gz
/usr/share/man/man3/val_gethostbyname2.3.gz