Under maintenance.

Most probably CPANTS databases are being regenerated from scratch due to major changes in Kwalitee metrics or updates of relevant modules/perl. Usually this maintenance takes about a day or two, and some of the information may be old or missing tentatively. Sorry for the inconvenience.

Errors

valid_signature
Old SIGNATURE detected. Please inform the module author to regenerate SIGNATURE using Module::Signature version 0.82 or newer.
gpg: Signature made Tue 05 Apr 2016 05:59:57 AM JST
gpg:                using RSA key 97BE5D729A22E4E5
gpg: Can't check signature: No public key
==> BAD/TAMPERED signature detected! <==