--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6254089182 dns-udp-queries-received-ipv6: 1503398870 dns-tcp-queries-received-ipv4: 403260489 dns-tcp-queries-received-ipv6: 72353073 dns-udp-responses-sent-ipv4: 5841666011 dns-udp-responses-sent-ipv6: 1482077533 dns-tcp-responses-sent-ipv4: 275673196 dns-tcp-responses-sent-ipv6: 72214021