Could not issue an SSL/TLS certificate (PLESK)

My domain is:
I am trying to Install free basic certificate from Plesk panel.
After clicking Install i choose "Secure the wildcard domain (including www and webmail)"

I added this to my DNS (My DNS Server is Yandex Connect)

Record type: TXT
Domain name: _acme-challenge
Record: gPai_jKvTZjDNnIsU6jr3MQTyVBgc_hE-zeLiZraTBk

TTL: 21600 (Yandex DNS required field)

After clicking Reload, i get this error:

Could not issue an SSL/TLS certificate for

Could not issue a Let's Encrypt SSL/TLS certificate for . Authorization for the domain failed.

Invalid response from
Type: urn:ietf:params:acme:error:dns
Status: 400
Detail: DNS problem: NXDOMAIN looking up TXT for - check that a DNS record exists for this domain

But i can see new txt record at Yandex Connect DNS management page.


Hi @yamant and welcome to the LE community forum :slight_smile:

It needs to be seen by the Internet.
[which it can't]

nslookup -q=txt
*** can't find Non-existent domain

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