--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-15T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4231992064 dns-udp-queries-received-ipv6: 438444628 dns-tcp-queries-received-ipv4: 218844921 dns-tcp-queries-received-ipv6: 17905455 dns-udp-responses-sent-ipv4: 4114566638 dns-udp-responses-sent-ipv6: 435461960 dns-tcp-responses-sent-ipv4: 179480465 dns-tcp-responses-sent-ipv6: 17898007