--- version: rssac002v3 service: j.root-servers.net start-period: '2018-10-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6029798193 dns-udp-queries-received-ipv6: 757133566 dns-tcp-queries-received-ipv4: 306291488 dns-tcp-queries-received-ipv6: 27102654 dns-udp-responses-sent-ipv4: 5621455681 dns-udp-responses-sent-ipv6: 750111296 dns-tcp-responses-sent-ipv4: 216707427 dns-tcp-responses-sent-ipv6: 25975105