Sub Domain Automatic Deleting

Hello ,

I have already created 6 Sub Domian . These all working fine but now i want to create 7 sub domain . Cloud Flare automatic Deleted this sub-domain after 10 mints . I have try 5-6 times but same result . what is the solution . i am also not deleted my exiting sub- domain

Cloudflare does not delete DNS records. Whats the domain? Also, check out the audit log if something else is accessing your account and possibly removing such a record.