--- version: rssac002v4 service: j.root-servers.net start-period: '2022-05-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6019536686 dns-udp-queries-received-ipv6: 1629541749 dns-tcp-queries-received-ipv4: 413500079 dns-tcp-queries-received-ipv6: 52203521 dns-udp-responses-sent-ipv4: 5579965530 dns-udp-responses-sent-ipv6: 1615377641 dns-tcp-responses-sent-ipv4: 274035454 dns-tcp-responses-sent-ipv6: 52138405