--- version: rssac002v3 service: d.root-servers.net start-period: '2019-07-22T00:00:00Z' end-period: '2019-07-22T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7909934552 dns-udp-queries-received-ipv6: 1740630247 dns-tcp-queries-received-ipv4: 443229216 dns-tcp-queries-received-ipv6: 62289671 dns-udp-responses-sent-ipv4: 7909882179 dns-udp-responses-sent-ipv6: 1740059327 dns-tcp-responses-sent-ipv4: 443029001 dns-tcp-responses-sent-ipv6: 62186269