--- version: rssac002v3 service: i.root-servers.net start-period: '2021-11-19T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 5590595912 dns-udp-queries-received-ipv6: 984538915 dns-tcp-queries-received-ipv4: 452495588 dns-tcp-queries-received-ipv6: 81531262 dns-udp-responses-sent-ipv4: 4782641192 dns-udp-responses-sent-ipv6: 871338965 dns-tcp-responses-sent-ipv4: 428207626 dns-tcp-responses-sent-ipv6: 64728590