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DNSchecker shows that A records are not propagated in all regions. I live in India and my instance's region is Mumbai. However, one of my friends lives in Europe so when he visited the site, it did not work.
This issue started only after I transferred my domain.
Here's the screenshot of DNSchecker
Hi,
I can't access the image you've attached to see what DNSChecker is showing. But if the name servers (NS) returned when you run command dig NS <domain-name> match the Lightsail DNS zone records, then the NameServers have been updated successfully at your domain registrar (Hostinger) to the Lightsail DNS zone provided ones.
When you say "website does not open in other regions" : how did you verify this ? Because that may be the symptom of some other issue and not DNS.
Thanks.
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You seem to have DNSSEC enabled for your domain at your registrar and Lightsail DNS zones do NOT support DNSSEC. Hence I believe the DNSChecker is getting those differing results based on whether the respective check points validate for DNSSEC or not.
You have a couple of options : you can either disable DNSSEC at the Domain Registrar and continue to use Lightsail DNS zone.
Or if you do NOT wish to disable DNSSEC, you can use Amazon Route53 for your DNS management (known as hosted zone in Route53) which supports DNSSEC signing.
Reference doc : https://docs.aws.amazon.com/Route53/latest/DeveloperGuide/domain-configure-dnssec.html
For using Route53, you would create a hosted zone, copy over any A, MX, DKIM, etc records from Lightsail DNS zone to it, update the name-servers at the registrar with those from the hosted-zone and enable DNSSEC signing for it. Once you have that working, you can delete the not-in-use Lightsail DNS zone.