--- version: rssac002v4 service: a.root-servers.net start-period: '2022-05-08T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 4770307650 dns-udp-queries-received-ipv6: 1678951743 dns-tcp-queries-received-ipv4: 337091793 dns-tcp-queries-received-ipv6: 75177083 dns-udp-responses-sent-ipv4: 4641622351 dns-udp-responses-sent-ipv6: 1683678965 dns-tcp-responses-sent-ipv4: 316270181 dns-tcp-responses-sent-ipv6: 75149665