--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7772722937 dns-udp-queries-received-ipv6: 1033551784 dns-tcp-queries-received-ipv4: 277769181 dns-tcp-queries-received-ipv6: 76564513 dns-udp-responses-sent-ipv4: 7576410445 dns-udp-responses-sent-ipv6: 1029491984 dns-tcp-responses-sent-ipv4: 265037558 dns-tcp-responses-sent-ipv6: 76492145