--- version: rssac002v3 service: j.root-servers.net start-period: '2018-07-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5684551555 dns-udp-queries-received-ipv6: 641843627 dns-tcp-queries-received-ipv4: 279589277 dns-tcp-queries-received-ipv6: 19642105 dns-udp-responses-sent-ipv4: 5481845983 dns-udp-responses-sent-ipv6: 639995809 dns-tcp-responses-sent-ipv4: 217676692 dns-tcp-responses-sent-ipv6: 19591318