My infra is in kuberenets AKS. The SSL for the domain are in letsencrypt . Among that 2 domains are not auto renewing recently.
The cert-manager pod logs showing some error as :
E0603 21:33:23.633298 1 sync.go:186] cert-manager/controller/challenges "msg"="propagation check failed" "error"="DNS record for \"www.exam.com\" not yet propagated" "dnsName"="www.exam.com" "resource_kind"="Challenge" "resource_name"="exam-tls-7d9z2-222738062-3704285523" "resource_namespace"="app" "resource_version"="v1" "type"="DNS-01"
I0603 21:34:37.205647 1 acme.go:209] cert-manager/controller/certificaterequests-issuer-acme/sign "msg"="certificate issued" "related_resource_kind"="Order" "related_resource_name"="exam-tls-7d9z2-222738062" "related_resource_namespace"="app" "related_resource_version"="v1" "resource_kind"="CertificateRequest" "resource_name"="exam-tls-7d9z2" "resource_namespace"="app" "resource_version"="v1"
I0603 21:34:37.205748 1 conditions.go:250] Found status change for CertificateRequest "exam-tls-7d9z2" condition "Ready": "False" -> "True"; setting lastTransitionTime to 2022-06-03 21:34:37.205742673 +0000 UTC m=+1055982.627847334
I0603 21:34:37.378280 1 controller.go:161] cert-manager/controller/certificates-issuing "msg"="re-queuing item due to optimistic locking on resource" "key"="app/exam-tls" "error"="Operation cannot be fulfilled on certificates.cert-manager.io \"exam-tls\": the object has been modified; please apply your changes to the latest version and try again"
E0603 21:34:37.445644 1 sync.go:503] cert-manager/controller/orders "msg"="failed to finalize Order resource due to bad request, marking Order as failed" "error"="403 urn:ietf:params:acme:error:orderNotReady: Order's status (\"valid\") is not acceptable for finalization" "resource_kind"="Order" "resource_name"="exam-tls-7d9z2-222738062" "resource_namespace"="app" "resource_version"="v1"
I0603 21:34:39.230374 1 controller.go:161] cert-manager/controller/challenges "msg"="re-queuing item due to optimistic locking on resource" "key"="app/exam-tls-7d9z2-222738062-3622010678" "error"="Operation cannot be fulfilled on challenges.acme.cert-manager.io \"exam-tls-7d9z2-222738062-3622010678\": the object has been modified; please apply your changes to the latest version and try again"
I0603 21:34:39.434234 1 controller.go:161] cert-manager/controller/challenges "msg"="re-queuing item due to optimistic locking on resource" "key"="app/exam-tls-7d9z2-222738062-3704285523" "error"="Operation cannot be fulfilled on challenges.acme.cert-manager.io \"exam-tls-7d9z2-222738062-3704285523\": the object has been modified; please apply your changes to the latest version and try again"
E0603 21:34:42.902027 1 controller.go:211] cert-manager/controller/challenges "msg"="challenge in work queue no longer exists" "error"="challenge.acme.cert-manager.io \"exam-tls-7d9z2-222738062-3622010678\" not found"