--- version: rssac002v3 service: d.root-servers.net start-period: '2017-07-31T00:00:00Z' end-period: '2017-07-31T23:59:59Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4012396715 dns-udp-queries-received-ipv6: 596443539 dns-tcp-queries-received-ipv4: 75569632 dns-tcp-queries-received-ipv6: 10037587 dns-udp-responses-sent-ipv4: 4012519274 dns-udp-responses-sent-ipv6: 596412483 dns-tcp-responses-sent-ipv4: 75533208 dns-tcp-responses-sent-ipv6: 10033857