--- version: rssac002v3 service: a.root-servers.net start-period: '2020-06-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7217381217 dns-udp-queries-received-ipv6: 1453507691 dns-tcp-queries-received-ipv4: 219059274 dns-tcp-queries-received-ipv6: 91482507 dns-udp-responses-sent-ipv4: 7022441458 dns-udp-responses-sent-ipv6: 1451477226 dns-tcp-responses-sent-ipv4: 205555223 dns-tcp-responses-sent-ipv6: 91881459