--- version: rssac002v3 service: a.root-servers.net start-period: '2021-03-03T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5907354547 dns-udp-queries-received-ipv6: 1254364515 dns-tcp-queries-received-ipv4: 263112032 dns-tcp-queries-received-ipv6: 104593824 dns-udp-responses-sent-ipv4: 5709559235 dns-udp-responses-sent-ipv6: 1252912413 dns-tcp-responses-sent-ipv4: 245725353 dns-tcp-responses-sent-ipv6: 104967523