--- version: rssac002v3 service: a.root-servers.net start-period: '2018-05-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6497042313 dns-udp-queries-received-ipv6: 348518959 dns-tcp-queries-received-ipv4: 100457780 dns-tcp-queries-received-ipv6: 15557720 dns-udp-responses-sent-ipv4: 6426939277 dns-udp-responses-sent-ipv6: 348353459 dns-tcp-responses-sent-ipv4: 101410532 dns-tcp-responses-sent-ipv6: 15594895