--- version: rssac002v3 service: a.root-servers.net start-period: '2018-09-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4305500995 dns-udp-queries-received-ipv6: 625594261 dns-tcp-queries-received-ipv4: 113103784 dns-tcp-queries-received-ipv6: 25203755 dns-udp-responses-sent-ipv4: 4188594572 dns-udp-responses-sent-ipv6: 625322362 dns-tcp-responses-sent-ipv4: 109431001 dns-tcp-responses-sent-ipv6: 25225862