--- version: rssac002v3 service: d.root-servers.net start-period: '2018-06-20T00:00:00Z' end-period: '2018-06-20T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4888428520 dns-udp-queries-received-ipv6: 574082359 dns-tcp-queries-received-ipv4: 193488220 dns-tcp-queries-received-ipv6: 17061550 dns-udp-responses-sent-ipv4: 4889206022 dns-udp-responses-sent-ipv6: 573880743 dns-tcp-responses-sent-ipv4: 193414209 dns-tcp-responses-sent-ipv6: 17060651