--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6036556242 dns-udp-queries-received-ipv6: 1384821489 dns-tcp-queries-received-ipv4: 397244993 dns-tcp-queries-received-ipv6: 59629187 dns-udp-responses-sent-ipv4: 5614785032 dns-udp-responses-sent-ipv6: 1365876873 dns-tcp-responses-sent-ipv4: 270238856 dns-tcp-responses-sent-ipv6: 59307091