--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-13T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3842279355 dns-udp-queries-received-ipv6: 426460496 dns-tcp-queries-received-ipv4: 119101113 dns-tcp-queries-received-ipv6: 11390436 dns-udp-responses-sent-ipv4: 3839695125 dns-udp-responses-sent-ipv6: 426425769 dns-tcp-responses-sent-ipv4: 118777612 dns-tcp-responses-sent-ipv6: 11471907