--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6468684983 dns-udp-queries-received-ipv6: 1391197670 dns-tcp-queries-received-ipv4: 535764022 dns-tcp-queries-received-ipv6: 96332363 dns-udp-responses-sent-ipv4: 6016523892 dns-udp-responses-sent-ipv6: 1390079823 dns-tcp-responses-sent-ipv4: 378501819 dns-tcp-responses-sent-ipv6: 96601071