--- version: rssac002v3 service: a.root-servers.net start-period: '2020-02-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7619405144 dns-udp-queries-received-ipv6: 1003122168 dns-tcp-queries-received-ipv4: 284680983 dns-tcp-queries-received-ipv6: 75753061 dns-udp-responses-sent-ipv4: 7428563152 dns-udp-responses-sent-ipv6: 1000195263 dns-tcp-responses-sent-ipv4: 271630721 dns-tcp-responses-sent-ipv6: 75894474