--- version: rssac002v3 service: a.root-servers.net start-period: '2017-04-26T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4392952763 dns-udp-queries-received-ipv6: 429865581 dns-tcp-queries-received-ipv4: 186537439 dns-tcp-queries-received-ipv6: 8489891 dns-udp-responses-sent-ipv4: 4390727255 dns-udp-responses-sent-ipv6: 429691796 dns-tcp-responses-sent-ipv4: 186945277 dns-tcp-responses-sent-ipv6: 8606879