--- version: rssac002v3 service: d.root-servers.net start-period: '2018-12-13T00:00:00Z' end-period: '2018-12-13T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6403889485 dns-udp-queries-received-ipv6: 1426354657 dns-tcp-queries-received-ipv4: 314822267 dns-tcp-queries-received-ipv6: 43554775 dns-udp-responses-sent-ipv4: 6403881949 dns-udp-responses-sent-ipv6: 1426172364 dns-tcp-responses-sent-ipv4: 314523011 dns-tcp-responses-sent-ipv6: 43528669