--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4410958798 dns-udp-queries-received-ipv6: 364685090 dns-tcp-queries-received-ipv4: 264124617 dns-tcp-queries-received-ipv6: 16532805 dns-udp-responses-sent-ipv4: 4239953213 dns-udp-responses-sent-ipv6: 363226820 dns-tcp-responses-sent-ipv4: 194827692 dns-tcp-responses-sent-ipv6: 16659832