--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7523412761 dns-udp-queries-received-ipv6: 1335110452 dns-tcp-queries-received-ipv4: 217915351 dns-tcp-queries-received-ipv6: 38557448 dns-udp-responses-sent-ipv4: 7148043513 dns-udp-responses-sent-ipv6: 1334484523 dns-tcp-responses-sent-ipv4: 212804021 dns-tcp-responses-sent-ipv6: 39839364