--- version: rssac002v3 service: a.root-servers.net start-period: '2019-08-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6653524659 dns-udp-queries-received-ipv6: 1302077664 dns-tcp-queries-received-ipv4: 187907572 dns-tcp-queries-received-ipv6: 33969247 dns-udp-responses-sent-ipv4: 6487686268 dns-udp-responses-sent-ipv6: 1301595250 dns-tcp-responses-sent-ipv4: 182618022 dns-tcp-responses-sent-ipv6: 34838412