--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4532012274 dns-udp-queries-received-ipv6: 457135286 dns-tcp-queries-received-ipv4: 172033228 dns-tcp-queries-received-ipv6: 12834060 dns-udp-responses-sent-ipv4: 4451495911 dns-udp-responses-sent-ipv6: 456763887 dns-tcp-responses-sent-ipv4: 151301780 dns-tcp-responses-sent-ipv6: 12975058