--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8050150397 dns-udp-queries-received-ipv6: 1223425520 dns-tcp-queries-received-ipv4: 316616508 dns-tcp-queries-received-ipv6: 79140911 dns-udp-responses-sent-ipv4: 7804061456 dns-udp-responses-sent-ipv6: 1222056022 dns-tcp-responses-sent-ipv4: 313603901 dns-tcp-responses-sent-ipv6: 79604046