--- version: rssac002v3 service: a.root-servers.net start-period: '2020-04-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8029590848 dns-udp-queries-received-ipv6: 1393659791 dns-tcp-queries-received-ipv4: 308586916 dns-tcp-queries-received-ipv6: 126949785 dns-udp-responses-sent-ipv4: 7790892847 dns-udp-responses-sent-ipv6: 1387329458 dns-tcp-responses-sent-ipv4: 301638176 dns-tcp-responses-sent-ipv6: 127061498