=> Bootstrap dependency digest>=20010302: found digest-20160304
=> Fetching dnssec-tools-2.1.tar.gz
=> Total size: 4430320 bytes
Certificate verification failed for /C=US/O=DigiCert Inc/OU=www.digicert.com/CN=DigiCert SHA2 High Assurance Server CA
34374371912:error:14090086:SSL routines:ssl3_get_server_certificate:certificate verify failed:/usr/src/crypto/openssl/ssl/s3_clnt.c:1269:
fetch: https://www.dnssec-tools.org/download/dnssec-tools-2.1.tar.gz: Authentication error
fetch: Unable to fetch expected file dnssec-tools-2.1.tar.gz
dnssec-tools-2.1.tar.gz                                  0  B    0  Bps
=> Checksum SHA1 OK for dnssec-tools-2.1.tar.gz
=> Checksum RMD160 OK for dnssec-tools-2.1.tar.gz
=> Checksum SHA512 OK for dnssec-tools-2.1.tar.gz