--- version: rssac002v3 service: a.root-servers.net start-period: '2019-10-02T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6729000724 dns-udp-queries-received-ipv6: 1379876162 dns-tcp-queries-received-ipv4: 209195543 dns-tcp-queries-received-ipv6: 42720091 dns-udp-responses-sent-ipv4: 6550818349 dns-udp-responses-sent-ipv6: 1379354422 dns-tcp-responses-sent-ipv4: 204284214 dns-tcp-responses-sent-ipv6: 43641637