--- version: rssac002v4 service: a.root-servers.net start-period: '2023-05-28T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6410779769 dns-udp-queries-received-ipv6: 1845094014 dns-tcp-queries-received-ipv4: 430891853 dns-tcp-queries-received-ipv6: 164326149 dns-udp-responses-sent-ipv4: 5976555265 dns-udp-responses-sent-ipv6: 1547303786 dns-tcp-responses-sent-ipv4: 382319095 dns-tcp-responses-sent-ipv6: 129914236