--- version: rssac002v3 service: a.root-servers.net start-period: '2020-09-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7649220336 dns-udp-queries-received-ipv6: 1631399085 dns-tcp-queries-received-ipv4: 279708900 dns-tcp-queries-received-ipv6: 173505096 dns-udp-responses-sent-ipv4: 7406079181 dns-udp-responses-sent-ipv6: 1627056373 dns-tcp-responses-sent-ipv4: 263084213 dns-tcp-responses-sent-ipv6: 195120157