--- version: rssac002v3 service: j.root-servers.net start-period: '2018-04-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4688397947 dns-udp-queries-received-ipv6: 422808840 dns-tcp-queries-received-ipv4: 218073339 dns-tcp-queries-received-ipv6: 18795591 dns-udp-responses-sent-ipv4: 4570764384 dns-udp-responses-sent-ipv6: 420011966 dns-tcp-responses-sent-ipv4: 185999454 dns-tcp-responses-sent-ipv6: 18791443