I have already tried resyncing but still: >>> Emerging (1 of 2) net-dns/dnssec-root-20110630::gentoo * Fetching files in the background. To view fetch progress, run * `tail -f /var/log/emerge-fetch.log` in another terminal. * root-anchors-20100715.xml SHA256 SHA512 WHIRLPOOL size ;-) ... [ ok ] * Kjqmt7v-20100715.csr SHA256 SHA512 WHIRLPOOL size ;-) ... [ ok ] >>> Downloading 'http://data.iana.org/root-anchors/Kjqmt7v.crt' --2014-10-23 13:05:57-- http://data.iana.org/root-anchors/Kjqmt7v.crt Resolving data.iana.org... 72.21.81.189 Connecting to data.iana.org|72.21.81.189|:80... connected. HTTP request sent, awaiting response... 200 OK Length: 974 [text/plain] Saving to: ‘/usr/distfiles/Kjqmt7v-20110630.crt’ 100%[======================================>] 974 --.-K/s in 0s 2014-10-23 13:05:57 (126 MB/s) - ‘/usr/distfiles/Kjqmt7v-20110630.crt’ saved [974/974] !!! Fetched file: Kjqmt7v-20110630.crt VERIFY FAILED! !!! Reason: Failed on SHA256 verification !!! Got: 8b9c12c9e51d8a911d9527a58cc59da2f14286e064688b45ce4b6b74b55dccb9 !!! Expected: 17e0f21c31f811685388b14dcd7c97dcfc92e23b03896827bbc7ff2f0c54c252 Refetching... File renamed to '/usr/distfiles/Kjqmt7v-20110630.crt._checksum_failure_.5ghs0l' !!! Couldn't download 'Kjqmt7v-20110630.crt'. Aborting. * Fetch failed for 'net-dns/dnssec-root-20110630', Log file: * '/var/log/portage/build/net-dns/dnssec-root-20110630:20141023-110557.log'
Fixed in 20150403 ebuild; upstream has unversioned files that change :-(