--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8141379257 dns-udp-queries-received-ipv6: 1336459831 dns-tcp-queries-received-ipv4: 306863307 dns-tcp-queries-received-ipv6: 107459489 dns-udp-responses-sent-ipv4: 7888836967 dns-udp-responses-sent-ipv6: 1325684617 dns-tcp-responses-sent-ipv4: 303375922 dns-tcp-responses-sent-ipv6: 107528883