--- version: rssac002v3 service: j.root-servers.net start-period: '2020-01-30T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 9709846464 dns-udp-queries-received-ipv6: 1453857877 dns-tcp-queries-received-ipv4: 823339909 dns-tcp-queries-received-ipv6: 134975895 dns-udp-responses-sent-ipv4: 8983007039 dns-udp-responses-sent-ipv6: 1425461770 dns-tcp-responses-sent-ipv4: 609870077 dns-tcp-responses-sent-ipv6: 133829152