--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6040980343 dns-udp-queries-received-ipv6: 1417877073 dns-tcp-queries-received-ipv4: 385794647 dns-tcp-queries-received-ipv6: 48619840 dns-udp-responses-sent-ipv4: 5647480262 dns-udp-responses-sent-ipv6: 1400433244 dns-tcp-responses-sent-ipv4: 260137447 dns-tcp-responses-sent-ipv6: 48418495