--- version: rssac002v3 service: a.root-servers.net start-period: '2020-01-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7025878794 dns-udp-queries-received-ipv6: 875526980 dns-tcp-queries-received-ipv4: 260211129 dns-tcp-queries-received-ipv6: 70144739 dns-udp-responses-sent-ipv4: 6836158068 dns-udp-responses-sent-ipv6: 874095187 dns-tcp-responses-sent-ipv4: 241883593 dns-tcp-responses-sent-ipv6: 70185231