--- version: rssac002v3 service: d.root-servers.net start-period: '2019-02-02T00:00:00Z' end-period: '2019-02-02T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6472562354 dns-udp-queries-received-ipv6: 1591190759 dns-tcp-queries-received-ipv4: 333209965 dns-tcp-queries-received-ipv6: 52715980 dns-udp-responses-sent-ipv4: 6475484612 dns-udp-responses-sent-ipv6: 1591071609 dns-tcp-responses-sent-ipv4: 333132818 dns-tcp-responses-sent-ipv6: 52682306