We were unable to generate SSL certificate due to following error:
1Error: We could not generate a cert for saasgrowthlab.org because the required http-01 challenge failed. DNS problem: looking up A for saasgrowthlab.org: DNSSEC: DNSKEY Missing: validation failure <saasgrowthlab.org. A IN>: No DNSKEY record from 2610:a1:1025::200 for key saasgrowthlab.org. while building chain of trust; DNS problem: looking up AAAA for saasgrowthlab.org: DNSSEC: DNSKEY Missing: validation failure <saasgrowthlab.org. AAAA IN>: No DNSKEY record from 2610:a1:1025::200 for key saasgrowthlab.org. while building chain of trust
I have manually issued certificate just now.