--- version: rssac002v3 service: b.root-servers.net start-period: 2017-04-16T00:00:00Z metric: traffic-volume dns-udp-queries-received-ipv4: 2097046551 dns-udp-queries-received-ipv6: 346105411 dns-tcp-queries-received-ipv4: 59450367 dns-tcp-queries-received-ipv6: 7157947 dns-udp-responses-sent-ipv4: 2022893033 dns-udp-responses-sent-ipv6: 345707498 dns-tcp-responses-sent-ipv4: 59418175 dns-tcp-responses-sent-ipv6: 7156599