--- version: rssac002v4 service: j.root-servers.net start-period: '2022-12-20T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6703386433 dns-udp-queries-received-ipv6: 1122953676 dns-tcp-queries-received-ipv4: 378540490 dns-tcp-queries-received-ipv6: 40254059 dns-udp-responses-sent-ipv4: 6869318068 dns-udp-responses-sent-ipv6: 1094991324 dns-tcp-responses-sent-ipv4: 256906879 dns-tcp-responses-sent-ipv6: 40118982