--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7610442912 dns-udp-queries-received-ipv6: 1375968889 dns-tcp-queries-received-ipv4: 285045199 dns-tcp-queries-received-ipv6: 107129107 dns-udp-responses-sent-ipv4: 7418845265 dns-udp-responses-sent-ipv6: 1373373599 dns-tcp-responses-sent-ipv4: 272098226 dns-tcp-responses-sent-ipv6: 107577165