--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-21T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3131148620 dns-udp-queries-received-ipv6: 398073269 dns-tcp-queries-received-ipv4: 160885926 dns-tcp-queries-received-ipv6: 11423613 dns-udp-responses-sent-ipv4: 3121303090 dns-udp-responses-sent-ipv6: 395501142 dns-tcp-responses-sent-ipv4: 160001702 dns-tcp-responses-sent-ipv6: 11296973