--- version: rssac002v3 service: a.root-servers.net start-period: '2020-01-07T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6886411113 dns-udp-queries-received-ipv6: 968723052 dns-tcp-queries-received-ipv4: 272169502 dns-tcp-queries-received-ipv6: 69331159 dns-udp-responses-sent-ipv4: 6686087930 dns-udp-responses-sent-ipv6: 963426471 dns-tcp-responses-sent-ipv4: 265122036 dns-tcp-responses-sent-ipv6: 69503350