--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-04T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8063558796 dns-udp-queries-received-ipv6: 1356231101 dns-tcp-queries-received-ipv4: 298079647 dns-tcp-queries-received-ipv6: 113768305 dns-udp-responses-sent-ipv4: 7823248653 dns-udp-responses-sent-ipv6: 1349745821 dns-tcp-responses-sent-ipv4: 293999670 dns-tcp-responses-sent-ipv6: 113950799