--- version: rssac002v4 service: j.root-servers.net start-period: '2023-04-16T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6672760432 dns-udp-queries-received-ipv6: 1761961527 dns-tcp-queries-received-ipv4: 321786188 dns-tcp-queries-received-ipv6: 77315725 dns-udp-responses-sent-ipv4: 6329020537 dns-udp-responses-sent-ipv6: 1748187624 dns-tcp-responses-sent-ipv4: 238456227 dns-tcp-responses-sent-ipv6: 72711211