--- version: rssac002v3 service: a.root-servers.net start-period: '2021-02-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6056507572 dns-udp-queries-received-ipv6: 1175986267 dns-tcp-queries-received-ipv4: 298591164 dns-tcp-queries-received-ipv6: 116467033 dns-udp-responses-sent-ipv4: 5869678127 dns-udp-responses-sent-ipv6: 1174545729 dns-tcp-responses-sent-ipv4: 289527519 dns-tcp-responses-sent-ipv6: 116869264