--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4713485789 dns-udp-queries-received-ipv6: 386108560 dns-tcp-queries-received-ipv4: 170698344 dns-tcp-queries-received-ipv6: 15679122 dns-udp-responses-sent-ipv4: 4607325044 dns-udp-responses-sent-ipv6: 383641930 dns-tcp-responses-sent-ipv4: 144863068 dns-tcp-responses-sent-ipv6: 15724960