--- version: rssac002v3 service: i.root-servers.net start-period: '2016-12-09T00:00:00Z' metric: traffic-volume dns-udp-queries-received-ipv4: 7013089622 dns-udp-queries-received-ipv6: 756807593 dns-tcp-queries-received-ipv4: 73125539 dns-tcp-queries-received-ipv6: 8592478 dns-udp-responses-sent-ipv4: 7128551861 dns-udp-responses-sent-ipv6: 756093906 dns-tcp-responses-sent-ipv4: 75384117 dns-tcp-responses-sent-ipv6: 8640978