--- version: rssac002v3 service: a.root-servers.net start-period: '2020-05-12T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 8391646451 dns-udp-queries-received-ipv6: 1903375544 dns-tcp-queries-received-ipv4: 336005924 dns-tcp-queries-received-ipv6: 128967123 dns-udp-responses-sent-ipv4: 8192028283 dns-udp-responses-sent-ipv6: 1894124050 dns-tcp-responses-sent-ipv4: 324117465 dns-tcp-responses-sent-ipv6: 127591302