--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7914559291 dns-udp-queries-received-ipv6: 1544877319 dns-tcp-queries-received-ipv4: 270883587 dns-tcp-queries-received-ipv6: 94560457 dns-udp-responses-sent-ipv4: 7713258310 dns-udp-responses-sent-ipv6: 1543365079 dns-tcp-responses-sent-ipv4: 255153272 dns-tcp-responses-sent-ipv6: 94922171