--- version: rssac002v3 service: a.root-servers.net start-period: '2020-12-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7520978299 dns-udp-queries-received-ipv6: 1413623284 dns-tcp-queries-received-ipv4: 300988650 dns-tcp-queries-received-ipv6: 105137443 dns-udp-responses-sent-ipv4: 7327059876 dns-udp-responses-sent-ipv6: 1412097187 dns-tcp-responses-sent-ipv4: 289913275 dns-tcp-responses-sent-ipv6: 105566071