--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4295959694 dns-udp-queries-received-ipv6: 390468763 dns-tcp-queries-received-ipv4: 151489417 dns-tcp-queries-received-ipv6: 12138056 dns-udp-responses-sent-ipv4: 4218544547 dns-udp-responses-sent-ipv6: 390704785 dns-tcp-responses-sent-ipv4: 129325556 dns-tcp-responses-sent-ipv6: 12262599