Subdomains have been indexed by Google

subdomains have been indexed by Google that we did not create and do not appear in my DNS zone for me to remove them. This is messing up my rankings (SEO)

subdomains:
ltzx.
tvdt.
mvcl.
njcl.

help me solve this, please!

Do you have a wildcard DNS record (name=*)? If so, you need to replace that with records for the subdomains that you actually use.

You should also make sure that your server does not respond to requests for names that you do not use.

I removed the wildcard but the subdomains still appear

I only use 1 domain (ppgagenciadigital.com.br), I have no subdomains, how can I see what I should exclude?

Google has a guide on how to remove domains from the search index:

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