diff --git a/routes/get.go b/routes/get.go
index aafba39..20114d8 100644
--- a/routes/get.go
+++ b/routes/get.go
@@ -144,7 +144,8 @@ func GetCertificateInformationEncoded(c *gin.Context) {
 		"validationType":         validationType,
 		"signatureAlgorithm":     certificate.SignatureAlgorithm.String(),
 		"publicKeyAlgorithm":     certificate.PublicKeyAlgorithm.String(),
-		"serialNumber":           certificate.SerialNumber.Int64(),
+		"serialNumber":           certificate.SerialNumber.String(),
+		"notBefore":              certificate.NotBefore,
 		"notAfter":               certificate.NotAfter,
 		"keyUsage":               keyUsages,
 		"keyUsageAsText":         keyUsagesText,
@@ -183,6 +184,7 @@ func GetCertificateInfo(c *gin.Context) {
 		tlsVersion = "unknown"
 	}
 	certificate := resp.ConnectionState().PeerCertificates[0]
+	rootCertificate := resp.ConnectionState().PeerCertificates[len(resp.ConnectionState().PeerCertificates)-1]
 
 	var validationType string
 	for _, value := range certificate.PolicyIdentifiers {
@@ -285,10 +287,18 @@ func GetCertificateInfo(c *gin.Context) {
 			"locality":           certificate.Issuer.Locality,
 			"country":            certificate.Issuer.Country,
 		},
+		"root": gin.H{
+			"commonName":         rootCertificate.Issuer.CommonName,
+			"organization":       rootCertificate.Issuer.Organization,
+			"organizationalUnit": rootCertificate.Issuer.OrganizationalUnit,
+			"locality":           rootCertificate.Issuer.Locality,
+			"country":            rootCertificate.Issuer.Country,
+		},
 		"validationType":         validationType,
 		"signatureAlgorithm":     certificate.SignatureAlgorithm.String(),
 		"publicKeyAlgorithm":     certificate.PublicKeyAlgorithm.String(),
-		"serialNumber":           certificate.SerialNumber.Int64(),
+		"serialNumber":           certificate.SerialNumber.String(),
+		"notBefore":              certificate.NotBefore,
 		"notAfter":               certificate.NotAfter,
 		"keyUsage":               keyUsages,
 		"keyUsageAsText":         keyUsagesText,