--- version: rssac002v3 service: j.root-servers.net start-period: '2020-12-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8661837971 dns-udp-queries-received-ipv6: 1622498934 dns-tcp-queries-received-ipv4: 715220459 dns-tcp-queries-received-ipv6: 122225554 dns-udp-responses-sent-ipv4: 7857995685 dns-udp-responses-sent-ipv6: 1592526298 dns-tcp-responses-sent-ipv4: 491682875 dns-tcp-responses-sent-ipv6: 111550811