diff --git a/core/dns-challenge-solver/main.go b/core/dns-challenge-solver/main.go
new file mode 100644
index 0000000..a08b6ef
--- /dev/null
+++ b/core/dns-challenge-solver/main.go
@@ -0,0 +1,193 @@
+package main
+
+import (
+	"bytes"
+	"encoding/json"
+	"fmt"
+	"io"
+	"net/http"
+	"strings"
+
+	extapi "k8s.io/apiextensions-apiserver/pkg/apis/apiextensions/v1"
+	"k8s.io/client-go/kubernetes"
+	"k8s.io/client-go/rest"
+
+	"github.com/cert-manager/cert-manager/pkg/acme/webhook/apis/acme/v1alpha1"
+	"github.com/cert-manager/cert-manager/pkg/acme/webhook/cmd"
+)
+
+const groupName = "dodo.cloud"
+
+func main() {
+	if groupName == "" {
+		panic("GROUP_NAME must be specified")
+	}
+	cmd.RunWebhookServer(groupName,
+		&pcloudDNSProviderSolver{},
+	)
+}
+
+type ZoneManager interface {
+	CreateTextRecord(domain, entry, txt string) error
+	DeleteTextRecord(domain, entry, txt string) error
+}
+
+type zoneControllerManager struct {
+	CreateAddr string
+	DeleteAddr string
+}
+
+type createTextRecordReq struct {
+	Domain string `json:"domain,omitempty"`
+	Entry  string `json:"entry,omitempty"`
+	Text   string `json:"text,omitempty"`
+}
+
+const contentTypeApplicationJSON = "application/json"
+
+func (m *zoneControllerManager) CreateTextRecord(domain, entry, txt string) error {
+	req := createTextRecordReq{domain, entry, txt}
+	var buf bytes.Buffer
+	if err := json.NewEncoder(&buf).Encode(req); err != nil {
+		return err
+	}
+	if resp, err := http.Post(m.CreateAddr, contentTypeApplicationJSON, &buf); err != nil {
+		return err
+	} else if resp.StatusCode != http.StatusOK {
+		var b strings.Builder
+		io.Copy(&b, resp.Body)
+		return fmt.Errorf("Create text record failed: %d %s", resp.StatusCode, b.String())
+	}
+	return nil
+}
+
+func (m *zoneControllerManager) DeleteTextRecord(domain, entry, txt string) error {
+	req := createTextRecordReq{domain, entry, txt}
+	var buf bytes.Buffer
+	if err := json.NewEncoder(&buf).Encode(req); err != nil {
+		return err
+	}
+	if resp, err := http.Post(m.DeleteAddr, contentTypeApplicationJSON, &buf); err != nil {
+		return err
+	} else if resp.StatusCode != http.StatusOK {
+		var b strings.Builder
+		io.Copy(&b, resp.Body)
+		return fmt.Errorf("Delete text record failed: %d %s", resp.StatusCode, b.String())
+	}
+	return nil
+}
+
+type pcloudDNSProviderSolver struct {
+	// If a Kubernetes 'clientset' is needed, you must:
+	// 1. uncomment the additional `client` field in this structure below
+	// 2. uncomment the "k8s.io/client-go/kubernetes" import at the top of the file
+	// 3. uncomment the relevant code in the Initialize method below
+	// 4. ensure your webhook's service account has the required RBAC role
+	//    assigned to it for interacting with the Kubernetes APIs you need.
+	client *kubernetes.Clientset
+}
+
+// customDNSProviderConfig is a structure that is used to decode into when
+// solving a DNS01 challenge.
+// This information is provided by cert-manager, and may be a reference to
+// additional configuration that's needed to solve the challenge for this
+// particular certificate or issuer.
+// This typically includes references to Secret resources containing DNS
+// provider credentials, in cases where a 'multi-tenant' DNS solver is being
+// created.
+// If you do *not* require per-issuer or per-certificate configuration to be
+// provided to your webhook, you can skip decoding altogether in favour of
+// using CLI flags or similar to provide configuration.
+// You should not include sensitive information here. If credentials need to
+// be used by your provider here, you should reference a Kubernetes Secret
+// resource and fetch these credentials using a Kubernetes clientset.
+type pcloudDNSProviderConfig struct {
+	CreateAddress string `json:"createAddress,omitempty"`
+	DeleteAddress string `json:"deleteAddress,omitempty"`
+}
+
+// Name is used as the name for this DNS solver when referencing it on the ACME
+// Issuer resource.
+// This should be unique **within the group name**, i.e. you can have two
+// solvers configured with the same Name() **so long as they do not co-exist
+// within a single webhook deployment**.
+// For example, `cloudflare` may be used as the name of a solver.
+func (c *pcloudDNSProviderSolver) Name() string {
+	return "pcloud-dns-solver"
+}
+
+// Present is responsible for actually presenting the DNS record with the
+// DNS provider.
+// This method should tolerate being called multiple times with the same value.
+// cert-manager itself will later perform a self check to ensure that the
+// solver has correctly configured the DNS provider.
+func (c *pcloudDNSProviderSolver) Present(ch *v1alpha1.ChallengeRequest) error {
+	fmt.Printf("Received challenge %+v\n", ch)
+	cfg, err := loadConfig(ch.Config)
+	if err != nil {
+		fmt.Printf("")
+		return err
+	}
+	zm := &zoneControllerManager{cfg.CreateAddress, cfg.DeleteAddress}
+	domain, entry := getDomainAndEntry(ch)
+	return zm.CreateTextRecord(domain, entry, ch.Key)
+}
+
+// CleanUp should delete the relevant TXT record from the DNS provider console.
+// If multiple TXT records exist with the same record name (e.g.
+// _acme-challenge.example.com) then **only** the record with the same `key`
+// value provided on the ChallengeRequest should be cleaned up.
+// This is in order to facilitate multiple DNS validations for the same domain
+// concurrently.
+func (c *pcloudDNSProviderSolver) CleanUp(ch *v1alpha1.ChallengeRequest) error {
+	cfg, err := loadConfig(ch.Config)
+	if err != nil {
+		return err
+	}
+	zm := &zoneControllerManager{cfg.CreateAddress, cfg.DeleteAddress}
+	domain, entry := getDomainAndEntry(ch)
+	return zm.DeleteTextRecord(domain, entry, ch.Key)
+}
+
+// Initialize will be called when the webhook first starts.
+// This method can be used to instantiate the webhook, i.e. initialising
+// connections or warming up caches.
+// Typically, the kubeClientConfig parameter is used to build a Kubernetes
+// client that can be used to fetch resources from the Kubernetes API, e.g.
+// Secret resources containing credentials used to authenticate with DNS
+// provider accounts.
+// The stopCh can be used to handle early termination of the webhook, in cases
+// where a SIGTERM or similar signal is sent to the webhook process.
+func (c *pcloudDNSProviderSolver) Initialize(kubeClientConfig *rest.Config, stopCh <-chan struct{}) error {
+	fmt.Println("Initialization start")
+	client, err := kubernetes.NewForConfig(kubeClientConfig)
+	if err != nil {
+		return err
+	}
+	c.client = client
+	fmt.Println("Initialization done")
+	return nil
+}
+
+// loadConfig is a small helper function that decodes JSON configuration into
+// the typed config struct.
+func loadConfig(cfgJSON *extapi.JSON) (pcloudDNSProviderConfig, error) {
+	cfg := pcloudDNSProviderConfig{}
+	// handle the 'base case' where no configuration has been provided
+	if cfgJSON == nil {
+		return cfg, nil
+	}
+	if err := json.Unmarshal(cfgJSON.Raw, &cfg); err != nil {
+		return cfg, fmt.Errorf("error decoding solver config: %v", err)
+	}
+
+	return cfg, nil
+}
+
+func getDomainAndEntry(ch *v1alpha1.ChallengeRequest) (string, string) {
+	// Both ch.ResolvedZone and ch.ResolvedFQDN end with a dot: '.'
+	entry := strings.TrimSuffix(ch.ResolvedFQDN, ch.ResolvedZone)
+	entry = strings.TrimSuffix(entry, ".")
+	domain := strings.TrimSuffix(ch.ResolvedZone, ".")
+	return domain, entry
+}