--- version: rssac002v3 service: a.root-servers.net start-period: '2017-07-25T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3698863016 dns-udp-queries-received-ipv6: 378852323 dns-tcp-queries-received-ipv4: 155266587 dns-tcp-queries-received-ipv6: 9582819 dns-udp-responses-sent-ipv4: 3692454297 dns-udp-responses-sent-ipv6: 378814985 dns-tcp-responses-sent-ipv4: 155108678 dns-tcp-responses-sent-ipv6: 9653702