--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-17T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8259801294 dns-udp-queries-received-ipv6: 1392382944 dns-tcp-queries-received-ipv4: 313887939 dns-tcp-queries-received-ipv6: 83009285 dns-udp-responses-sent-ipv4: 8021792529 dns-udp-responses-sent-ipv6: 1389863277 dns-tcp-responses-sent-ipv4: 312539557 dns-tcp-responses-sent-ipv6: 83453971