lego/1777

debug.patch

diff --git a/challenge/dns01/dns_challenge.go b/challenge/dns01/dns_challenge.go
index 354eb4e3..bbccf431 100644
--- a/challenge/dns01/dns_challenge.go
+++ b/challenge/dns01/dns_challenge.go
@@ -91,6 +91,7 @@ func (c *Challenge) PreSolve(authz acme.Authorization) error {
 		return err
 	}
 
+	log.Infof("DEBUG [%s] acme: Present(%s, %s, %s)", authz.Identifier.Value, chlng.Token, keyAuth)
 	err = c.provider.Present(authz.Identifier.Value, chlng.Token, keyAuth)
 	if err != nil {
 		return fmt.Errorf("[%s] acme: error presenting token: %w", domain, err)
@@ -157,7 +158,8 @@ func (c *Challenge) CleanUp(authz acme.Authorization) error {
 		return err
 	}
 
-	return c.provider.CleanUp(authz.Identifier.Value, chlng.Token, keyAuth)
+	log.Infof("DEBUG [%s] acme: CleanUp(%s, %s, %s) (skip)", authz.Identifier.Value, chlng.Token, keyAuth)
+	return nil // c.provider.CleanUp(authz.Identifier.Value, chlng.Token, keyAuth)
 }
 
 func (c *Challenge) Sequential() (bool, time.Duration) {