--- version: rssac002v3 service: d.root-servers.net start-period: '2019-05-22T00:00:00Z' end-period: '2019-05-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7639122220 dns-udp-queries-received-ipv6: 1755410565 dns-tcp-queries-received-ipv4: 328087975 dns-tcp-queries-received-ipv6: 69280412 dns-udp-responses-sent-ipv4: 7639064555 dns-udp-responses-sent-ipv6: 1755270522 dns-tcp-responses-sent-ipv4: 327847901 dns-tcp-responses-sent-ipv6: 69173636