--- version: rssac002v3 service: a.root-servers.net start-period: '2020-03-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8257747884 dns-udp-queries-received-ipv6: 1328310609 dns-tcp-queries-received-ipv4: 305185648 dns-tcp-queries-received-ipv6: 94660744 dns-udp-responses-sent-ipv4: 8019710702 dns-udp-responses-sent-ipv6: 1325691539 dns-tcp-responses-sent-ipv4: 301416335 dns-tcp-responses-sent-ipv6: 95204895