--- version: rssac002v3 service: a.root-servers.net start-period: '2020-12-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8025512770 dns-udp-queries-received-ipv6: 1547237943 dns-tcp-queries-received-ipv4: 302967005 dns-tcp-queries-received-ipv6: 113321502 dns-udp-responses-sent-ipv4: 7812766781 dns-udp-responses-sent-ipv6: 1545709246 dns-tcp-responses-sent-ipv4: 292059370 dns-tcp-responses-sent-ipv6: 114308539