Zone signing should not use RSA SHA1
RSA SHA1 is a weaker algorithm than SHA2-based algorithms such as RSA SHA256/512
Impact
Less secure encryption algorithm than others available
Recommended Actions
Follow the appropriate remediation steps below to resolve the issue.
Use RSA SHA512
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resource "google_dns_managed_zone" "example-zone" {
name = "example-zone"
dns_name = "example-${random_id.rnd.hex}.com."
dnssec_config {
state = "on"
default_key_specs {
algorithm = "rsasha512"
key_type = "keySigning"
}
default_key_specs {
algorithm = "rsasha512"
key_type = "zoneSigning"
}
}
}
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