Your domainsetup is faulty on to many levels. Cloudflare doesn't reply your domain. No one does.
; <<>> DiG 9.11.2-P1 <<>>
securitymanager.ro @
5.12.164.206;; global options: +cmd
;; connection timed out; no servers could be reached
--------------------------------------------------------------------------------
; <<>> DiG 9.11.2-P1 <<>>
securitymanager.ro @
1.1.1.1;; global options: +cmd
;; Got answer:
;; ->>HEADER<<- opcode: QUERY, status: SERVFAIL, id: 52696
;; flags: qr rd ra; QUERY: 1, ANSWER: 0, AUTHORITY: 0, ADDITIONAL: 1
;; OPT PSEUDOSECTION:
; EDNS: version: 0, flags:; udp: 1232
; OPT=15: 00 16 ("..")
;; QUESTION SECTION:
;
securitymanager.ro. IN A
;; Query time: 4078 msec
;; SERVER: 1.1.1.1#53(1.1.1.1)
;; WHEN: Thu Dec 16 11:15:40 Coordinated Universal Time 2021
;; MSG SIZE rcvd: 53