--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8395705514 dns-udp-queries-received-ipv6: 1667253082 dns-tcp-queries-received-ipv4: 345214605 dns-tcp-queries-received-ipv6: 126181895 dns-udp-responses-sent-ipv4: 8154292582 dns-udp-responses-sent-ipv6: 1645599327 dns-tcp-responses-sent-ipv4: 336764328 dns-tcp-responses-sent-ipv6: 123684549