--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3310145437 dns-udp-queries-received-ipv6: 355499653 dns-tcp-queries-received-ipv4: 156409134 dns-tcp-queries-received-ipv6: 9100322 dns-udp-responses-sent-ipv4: 3306535387 dns-udp-responses-sent-ipv6: 355481564 dns-tcp-responses-sent-ipv4: 156730018 dns-tcp-responses-sent-ipv6: 9184481