--- version: rssac002v3 service: a.root-servers.net start-period: '2017-10-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 3665143199 dns-udp-queries-received-ipv6: 415387501 dns-tcp-queries-received-ipv4: 141272548 dns-tcp-queries-received-ipv6: 12027431 dns-udp-responses-sent-ipv4: 3663044033 dns-udp-responses-sent-ipv6: 415367704 dns-tcp-responses-sent-ipv4: 141584391 dns-tcp-responses-sent-ipv6: 12160373