--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4489450987 dns-udp-queries-received-ipv6: 373149612 dns-tcp-queries-received-ipv4: 158133351 dns-tcp-queries-received-ipv6: 14108137 dns-udp-responses-sent-ipv4: 4360589107 dns-udp-responses-sent-ipv6: 370249181 dns-tcp-responses-sent-ipv4: 128759542 dns-tcp-responses-sent-ipv6: 14120698