--- version: rssac002v3 service: a.root-servers.net start-period: '2020-01-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7152489380 dns-udp-queries-received-ipv6: 952901753 dns-tcp-queries-received-ipv4: 245819048 dns-tcp-queries-received-ipv6: 88810620 dns-udp-responses-sent-ipv4: 6940522085 dns-udp-responses-sent-ipv6: 947040692 dns-tcp-responses-sent-ipv4: 229518594 dns-tcp-responses-sent-ipv6: 88925749