--- version: rssac002v4 service: j.root-servers.net start-period: '2022-01-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6041665531 dns-udp-queries-received-ipv6: 1389128341 dns-tcp-queries-received-ipv4: 424130090 dns-tcp-queries-received-ipv6: 90033305 dns-udp-responses-sent-ipv4: 5543319720 dns-udp-responses-sent-ipv6: 1365591154 dns-tcp-responses-sent-ipv4: 295062074 dns-tcp-responses-sent-ipv6: 89285434