--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3361055464 dns-udp-queries-received-ipv6: 333197793 dns-tcp-queries-received-ipv4: 170438781 dns-tcp-queries-received-ipv6: 10371472 dns-udp-responses-sent-ipv4: 3358519043 dns-udp-responses-sent-ipv6: 333149080 dns-tcp-responses-sent-ipv4: 170222561 dns-tcp-responses-sent-ipv6: 10435865