--- version: rssac002v3 service: d.root-servers.net start-period: '2019-01-28T00:00:00Z' end-period: '2019-01-28T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6708292990 dns-udp-queries-received-ipv6: 1564569833 dns-tcp-queries-received-ipv4: 325358576 dns-tcp-queries-received-ipv6: 66646427 dns-udp-responses-sent-ipv4: 6708230548 dns-udp-responses-sent-ipv6: 1564436469 dns-tcp-responses-sent-ipv4: 324928973 dns-tcp-responses-sent-ipv6: 66506194