--- version: rssac002v4 service: a.root-servers.net start-period: '2022-06-27T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5615397470 dns-udp-queries-received-ipv6: 1785895209 dns-tcp-queries-received-ipv4: 365917315 dns-tcp-queries-received-ipv6: 65488159 dns-udp-responses-sent-ipv4: 5344023449 dns-udp-responses-sent-ipv6: 1780743502 dns-tcp-responses-sent-ipv4: 303440864 dns-tcp-responses-sent-ipv6: 64433099