--- version: rssac002v3 service: i.root-servers.net start-period: '2022-04-10T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 6281665636 dns-udp-queries-received-ipv6: 1612201262 dns-tcp-queries-received-ipv4: 687351210 dns-tcp-queries-received-ipv6: 59885714 dns-udp-responses-sent-ipv4: 5305236107 dns-udp-responses-sent-ipv6: 1484223613 dns-tcp-responses-sent-ipv4: 673217662 dns-tcp-responses-sent-ipv6: 50352914