--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8952062630 dns-udp-queries-received-ipv6: 1454791818 dns-tcp-queries-received-ipv4: 335786595 dns-tcp-queries-received-ipv6: 110804329 dns-udp-responses-sent-ipv4: 8682743309 dns-udp-responses-sent-ipv6: 1449273804 dns-tcp-responses-sent-ipv4: 329101064 dns-tcp-responses-sent-ipv6: 111043908