--- version: rssac002v3 service: j.root-servers.net start-period: '2021-06-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6310624336 dns-udp-queries-received-ipv6: 1303646719 dns-tcp-queries-received-ipv4: 536160048 dns-tcp-queries-received-ipv6: 100402563 dns-udp-responses-sent-ipv4: 5846458209 dns-udp-responses-sent-ipv6: 1298379237 dns-tcp-responses-sent-ipv4: 377600729 dns-tcp-responses-sent-ipv6: 99580996