--- version: rssac002v3 service: a.root-servers.net start-period: '2018-09-24T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4193905138 dns-udp-queries-received-ipv6: 592072132 dns-tcp-queries-received-ipv4: 109343704 dns-tcp-queries-received-ipv6: 23711833 dns-udp-responses-sent-ipv4: 4076564303 dns-udp-responses-sent-ipv6: 591743025 dns-tcp-responses-sent-ipv4: 105678471 dns-tcp-responses-sent-ipv6: 23728702