--- version: rssac002v3 service: j.root-servers.net start-period: '2018-12-14T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6498107480 dns-udp-queries-received-ipv6: 795105130 dns-tcp-queries-received-ipv4: 403111505 dns-tcp-queries-received-ipv6: 60545059 dns-udp-responses-sent-ipv4: 6052734892 dns-udp-responses-sent-ipv6: 754409740 dns-tcp-responses-sent-ipv4: 264752370 dns-tcp-responses-sent-ipv6: 42696938