--- version: rssac002v3 service: a.root-servers.net start-period: '2017-09-22T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4734126026 dns-udp-queries-received-ipv6: 422610327 dns-tcp-queries-received-ipv4: 141993154 dns-tcp-queries-received-ipv6: 11151986 dns-udp-responses-sent-ipv4: 4725679640 dns-udp-responses-sent-ipv6: 422505636 dns-tcp-responses-sent-ipv4: 141723424 dns-tcp-responses-sent-ipv6: 11319258