--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6973323830 dns-udp-queries-received-ipv6: 1187676394 dns-tcp-queries-received-ipv4: 293082128 dns-tcp-queries-received-ipv6: 94382079 dns-udp-responses-sent-ipv4: 6721914739 dns-udp-responses-sent-ipv6: 1145266038 dns-tcp-responses-sent-ipv4: 278593478 dns-tcp-responses-sent-ipv6: 94289877