---
version: rssac002v4
service: b.root-servers.net
start-period: 2021-12-20T00:00:00Z
metric: traffic-volume
dns-udp-queries-received-ipv4: 4475826776
dns-udp-queries-received-ipv6: 784928002
dns-tcp-queries-received-ipv4: 189787535
dns-tcp-queries-received-ipv6: 53924617
dns-udp-responses-sent-ipv4: 4413214501
dns-udp-responses-sent-ipv6: 724657073
dns-tcp-responses-sent-ipv4: 189778996
dns-tcp-responses-sent-ipv6: 52588312
