---
version: rssac002v4
service: d.root-servers.net
start-period: 2021-01-04T00:00:00Z
end-period: 2021-01-04T23:59:59Z
metric: zone-size
size:
   2021010400: 1422893
   2021010401: 1422893
   2021010402: 1422861
   2021010403: 1422679