I cannot obtain ssl certificate on my nginx web server

Help
15

HTTP/2 301
date: Tue, 11 Apr 2023 00:55:33 GMT
location: https://www.cloudflare.com/
cache-control: max-age=3600
expires: Tue, 11 Apr 2023 01:55:33 GMT
set-cookie: __cf_bm=Z8vZ6uXcFyYPIuBljuvT5.stoFt.jLNej4vmYGo0GaA-1681174533-0-AR3ZMSJ2TnYvUCtlolbmtioDjmuLbRuqDah3ANIrp8BjmtQrETFL5BzWvLo5ImgBDstlogpAaE8ttvkVJT2ecnA=; path=/; expires=Tue, 11-Apr-23 01:25:33 GMT; domain=.cloudflare.com; HttpOnly; Secure; SameSite=None
report-to: {"endpoints":[{"url":"https://a.nel.cloudflare.com/report/v3?s=MHHz%2BWxJwJNPt2NOUey5nhDGYgPATdGyHpl3962lj%2FdDFGwU8ijIbHzp8oQgkpQGGfnbrMA9K3EjD8jPA0ljuX%2FOcfEVZOfPPmHCp7k2skN%2BFtWF1goJq4jwjCWIP9oz"}],"group":"cf-nel","max_age":604800}
nel: {"success_fraction":0,"report_to":"cf-nel","max_age":604800}
strict-transport-security: max-age=15780000; includeSubDomains
server: cloudflare
cf-ray: 7b5f43c16d3ee268-ORD
alt-svc: h3=":443"; ma=86400, h3-29=":443"; ma=86400