--- version: rssac002v4 service: j.root-servers.net start-period: '2022-03-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5942060674 dns-udp-queries-received-ipv6: 1306396084 dns-tcp-queries-received-ipv4: 396062667 dns-tcp-queries-received-ipv6: 50426715 dns-udp-responses-sent-ipv4: 5519484287 dns-udp-responses-sent-ipv6: 1297679626 dns-tcp-responses-sent-ipv4: 263741789 dns-tcp-responses-sent-ipv6: 50324109