--- version: rssac002v3 service: a.root-servers.net start-period: '2020-09-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6912882559 dns-udp-queries-received-ipv6: 1213233196 dns-tcp-queries-received-ipv4: 284195561 dns-tcp-queries-received-ipv6: 102222662 dns-udp-responses-sent-ipv4: 6692460694 dns-udp-responses-sent-ipv6: 1211181010 dns-tcp-responses-sent-ipv4: 262995730 dns-tcp-responses-sent-ipv6: 102736025