--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-05T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3751361017 dns-udp-queries-received-ipv6: 420136926 dns-tcp-queries-received-ipv4: 158507750 dns-tcp-queries-received-ipv6: 8003189 dns-udp-responses-sent-ipv4: 3750601495 dns-udp-responses-sent-ipv6: 420108379 dns-tcp-responses-sent-ipv4: 158460953 dns-tcp-responses-sent-ipv6: 8102417