--- version: rssac002v3 service: a.root-servers.net start-period: '2019-11-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6751747369 dns-udp-queries-received-ipv6: 1497382312 dns-tcp-queries-received-ipv4: 227907919 dns-tcp-queries-received-ipv6: 76350061 dns-udp-responses-sent-ipv4: 6568315944 dns-udp-responses-sent-ipv6: 1496525058 dns-tcp-responses-sent-ipv4: 223940864 dns-tcp-responses-sent-ipv6: 76636184