--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6062290350 dns-udp-queries-received-ipv6: 1418732750 dns-tcp-queries-received-ipv4: 392558750 dns-tcp-queries-received-ipv6: 59517357 dns-udp-responses-sent-ipv4: 5575738801 dns-udp-responses-sent-ipv6: 1383591068 dns-tcp-responses-sent-ipv4: 277526770 dns-tcp-responses-sent-ipv6: 57560494