--- version: rssac002v3 service: j.root-servers.net start-period: '2017-12-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4500294101 dns-udp-queries-received-ipv6: 450023620 dns-tcp-queries-received-ipv4: 176803041 dns-tcp-queries-received-ipv6: 12908947 dns-udp-responses-sent-ipv4: 4416477887 dns-udp-responses-sent-ipv6: 449927722 dns-tcp-responses-sent-ipv4: 155065836 dns-tcp-responses-sent-ipv6: 13009397