--- version: rssac002v3 service: a.root-servers.net start-period: '2020-01-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7493567514 dns-udp-queries-received-ipv6: 1112444170 dns-tcp-queries-received-ipv4: 250065505 dns-tcp-queries-received-ipv6: 100732210 dns-udp-responses-sent-ipv4: 7270954271 dns-udp-responses-sent-ipv6: 1098914905 dns-tcp-responses-sent-ipv4: 235997621 dns-tcp-responses-sent-ipv6: 100885648