--- version: rssac002v3 service: d.root-servers.net start-period: '2019-12-29T00:00:00Z' end-period: '2019-12-29T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8218457615 dns-udp-queries-received-ipv6: 1465031215 dns-tcp-queries-received-ipv4: 743850202 dns-tcp-queries-received-ipv6: 112342423 dns-udp-responses-sent-ipv4: 8218522991 dns-udp-responses-sent-ipv6: 1464996308 dns-tcp-responses-sent-ipv4: 743716211 dns-tcp-responses-sent-ipv6: 112137848