--- version: rssac002v3 service: a.root-servers.net start-period: '2017-06-23T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3836976353 dns-udp-queries-received-ipv6: 390080378 dns-tcp-queries-received-ipv4: 152764753 dns-tcp-queries-received-ipv6: 9241826 dns-udp-responses-sent-ipv4: 3835276522 dns-udp-responses-sent-ipv6: 390066649 dns-tcp-responses-sent-ipv4: 152797618 dns-tcp-responses-sent-ipv6: 9352166