--- version: rssac002v3 service: j.root-servers.net start-period: '2018-03-11T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4359641887 dns-udp-queries-received-ipv6: 394706005 dns-tcp-queries-received-ipv4: 169080242 dns-tcp-queries-received-ipv6: 15103280 dns-udp-responses-sent-ipv4: 4256716963 dns-udp-responses-sent-ipv6: 391006553 dns-tcp-responses-sent-ipv4: 141822679 dns-tcp-responses-sent-ipv6: 14888390