--- version: rssac002v3 service: d.root-servers.net start-period: '2018-01-18T00:00:00Z' end-period: '2018-01-18T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3788543131 dns-udp-queries-received-ipv6: 566616607 dns-tcp-queries-received-ipv4: 83375566 dns-tcp-queries-received-ipv6: 13335678 dns-udp-responses-sent-ipv4: 3785130059 dns-udp-responses-sent-ipv6: 566435448 dns-tcp-responses-sent-ipv4: 83339091 dns-tcp-responses-sent-ipv6: 13333878