--- version: rssac002v3 service: j.root-servers.net start-period: '2018-05-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4839224496 dns-udp-queries-received-ipv6: 541120833 dns-tcp-queries-received-ipv4: 260568256 dns-tcp-queries-received-ipv6: 19176189 dns-udp-responses-sent-ipv4: 4642117082 dns-udp-responses-sent-ipv6: 538149286 dns-tcp-responses-sent-ipv4: 189678435 dns-tcp-responses-sent-ipv6: 19090449