--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-29T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8200159522 dns-udp-queries-received-ipv6: 1561756254 dns-tcp-queries-received-ipv4: 269224482 dns-tcp-queries-received-ipv6: 95696251 dns-udp-responses-sent-ipv4: 7987343137 dns-udp-responses-sent-ipv6: 1560191501 dns-tcp-responses-sent-ipv4: 254021073 dns-tcp-responses-sent-ipv6: 96012549