--- version: rssac002v3 service: j.root-servers.net start-period: '2021-02-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6999965229 dns-udp-queries-received-ipv6: 1463485172 dns-tcp-queries-received-ipv4: 596227673 dns-tcp-queries-received-ipv6: 95648536 dns-udp-responses-sent-ipv4: 6444413264 dns-udp-responses-sent-ipv6: 1452095818 dns-tcp-responses-sent-ipv4: 407993319 dns-tcp-responses-sent-ipv6: 93211865