--- version: rssac002v3 service: j.root-servers.net start-period: '2021-05-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5858495323 dns-udp-queries-received-ipv6: 1295610349 dns-tcp-queries-received-ipv4: 521484833 dns-tcp-queries-received-ipv6: 131994846 dns-udp-responses-sent-ipv4: 5381840121 dns-udp-responses-sent-ipv6: 1290887600 dns-tcp-responses-sent-ipv4: 361831758 dns-tcp-responses-sent-ipv6: 137731971