--- version: rssac002v3 service: a.root-servers.net start-period: '2020-09-18T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7796515563 dns-udp-queries-received-ipv6: 1381891606 dns-tcp-queries-received-ipv4: 338489355 dns-tcp-queries-received-ipv6: 107850066 dns-udp-responses-sent-ipv4: 7570674137 dns-udp-responses-sent-ipv6: 1379685554 dns-tcp-responses-sent-ipv4: 323469258 dns-tcp-responses-sent-ipv6: 108276117