diff --git a/tlsobs-scanner/workerconfig.go b/tlsobs-scanner/workerconfig.go
index 1fe9dc164..14c69de55 100644
--- a/tlsobs-scanner/workerconfig.go
+++ b/tlsobs-scanner/workerconfig.go
@@ -9,4 +9,5 @@ import (
 	_ "github.com/mozilla/tls-observatory/worker/sslLabsClientSupport"
 	_ "github.com/mozilla/tls-observatory/worker/symantecDistrust"
 	_ "github.com/mozilla/tls-observatory/worker/top1m"
+	_ "github.com/mozilla/tls-observatory/worker/ocspStatusWorker"
 )
diff --git a/worker/ocspStatusWorker/ocspStatusWorker.go b/worker/ocspStatusWorker/ocspStatusWorker.go
new file mode 100644
index 000000000..bbf93471f
--- /dev/null
+++ b/worker/ocspStatusWorker/ocspStatusWorker.go
@@ -0,0 +1,81 @@
+package ocspStatusWorker
+
+import (
+	"encoding/json"
+	"io/ioutil"
+	"net/http"
+	"crypto/x509"
+
+	"github.com/mozilla/tls-observatory/logger"
+	"github.com/mozilla/tls-observatory/worker"
+	"golang.org/x/crypto/ocsp"
+	"bytes"
+	"crypto"
+	"time"
+	"encoding/base64"
+)
+
+var workerName = "ocspStatusWorker"
+var workerDesc = `Determines a certificate's status via OCSP'`
+
+var log = logger.GetLogger()
+
+func init() {
+	worker.RegisterWorker(workerName, worker.Info{Runner: new(ocspStatusWorker), Description: workerDesc})
+}
+
+type ocspStatusWorker struct {
+	status OCSPStatus
+}
+
+type OCSPStatus struct {
+	Status int `json:"status"`
+	RevokedAt time.Time `json:"revoked_at"`
+
+}
+
+type params struct {
+}
+
+func (w ocspStatusWorker) Run(in worker.Input, resChan chan worker.Result) {
+	res := worker.Result{WorkerName: workerName, Success:false}
+
+	rawCert, _ := base64.StdEncoding.DecodeString(in.CertificateChain.Certs[0])
+	certificate, _ := x509.ParseCertificate(rawCert)
+	rawIssuerCert, _ := base64.StdEncoding.DecodeString(in.CertificateChain.Certs[1])
+	issuerCertificate, _ := x509.ParseCertificate(rawIssuerCert)
+
+	opts := &ocsp.RequestOptions{Hash: crypto.SHA256}
+	req, err := ocsp.CreateRequest(certificate, issuerCertificate, opts)
+	if err != nil {
+		res.Errors = append(res.Errors, err.Error())
+		return
+	}
+
+	httpResponse, err := http.Post(certificate.OCSPServer[0], "application/ocsp-request", bytes.NewReader(req))
+	if err != nil {
+		res.Errors = append(res.Errors, err.Error())
+		return
+	}
+
+	output, err := ioutil.ReadAll(httpResponse.Body)
+	if err != nil {
+		res.Errors = append(res.Errors, err.Error())
+		return
+	}
+
+	OCSPResponse, err := ocsp.ParseResponse(output, issuerCertificate)
+	if err != nil {
+		res.Errors = append(res.Errors, err.Error())
+		return
+	}
+
+	status := OCSPStatus{ Status:OCSPResponse.Status, RevokedAt:OCSPResponse.RevokedAt }
+
+	out, _ := json.Marshal(status)
+
+	res.Success = true
+	res.Result = out
+
+	resChan <- res
+}