--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6995125388 dns-udp-queries-received-ipv6: 1357786718 dns-tcp-queries-received-ipv4: 297913187 dns-tcp-queries-received-ipv6: 84410519 dns-udp-responses-sent-ipv4: 6705286307 dns-udp-responses-sent-ipv6: 1270017507 dns-tcp-responses-sent-ipv4: 281033859 dns-tcp-responses-sent-ipv6: 83750346