--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6703525077 dns-udp-queries-received-ipv6: 1466751905 dns-tcp-queries-received-ipv4: 665466381 dns-tcp-queries-received-ipv6: 60988376 dns-udp-responses-sent-ipv4: 5610157575 dns-udp-responses-sent-ipv6: 1258063626 dns-tcp-responses-sent-ipv4: 628851430 dns-tcp-responses-sent-ipv6: 50613105