--- version: rssac002v4 service: j.root-servers.net start-period: '2022-04-06T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6059678320 dns-udp-queries-received-ipv6: 1416331218 dns-tcp-queries-received-ipv4: 418912901 dns-tcp-queries-received-ipv6: 62185117 dns-udp-responses-sent-ipv4: 5675540571 dns-udp-responses-sent-ipv6: 1396447044 dns-tcp-responses-sent-ipv4: 295632572 dns-tcp-responses-sent-ipv6: 62059247