--- version: rssac002v3 service: i.root-servers.net start-period: '2022-03-31T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6814079889 dns-udp-queries-received-ipv6: 2013501677 dns-tcp-queries-received-ipv4: 710736981 dns-tcp-queries-received-ipv6: 99108846 dns-udp-responses-sent-ipv4: 5605086064 dns-udp-responses-sent-ipv6: 1740843301 dns-tcp-responses-sent-ipv4: 655983021 dns-tcp-responses-sent-ipv6: 75144276