--- version: rssac002v3 service: j.root-servers.net start-period: '2019-12-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8892172368 dns-udp-queries-received-ipv6: 1321278181 dns-tcp-queries-received-ipv4: 746960151 dns-tcp-queries-received-ipv6: 115064211 dns-udp-responses-sent-ipv4: 8054779662 dns-udp-responses-sent-ipv6: 1242226611 dns-tcp-responses-sent-ipv4: 516182712 dns-tcp-responses-sent-ipv6: 97930701