During secondary validation: DNS problem: query timed out looking up A for

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My domain is: trendteknolojim.com

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Your domains' DNS configuration is far from ideal: DNS Spy report for trendteknolojim.com
Both names resolve to only one IP.
That's what we call "putting all your eggs in one basket".
Which might be OK (or unavoidable/affordable) for web services, but NOT for DNS.
DNS is extremely inexpensive (read FREE) and extremely required (read CRITICAL).

That said, your actual problem might be more of a firewall or IPS blocking certain countries or networks.
LE validates from several places on the Internet and some might be blocked by one of your "protections".
[blocking DNS is always bad for business]

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