--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5914331902 dns-udp-queries-received-ipv6: 1213692389 dns-tcp-queries-received-ipv4: 171244454 dns-tcp-queries-received-ipv6: 32771074 dns-udp-responses-sent-ipv4: 5768400436 dns-udp-responses-sent-ipv6: 1213039390 dns-tcp-responses-sent-ipv4: 165542527 dns-tcp-responses-sent-ipv6: 33563549