www.securetronic.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:d1:3d:9f:36:34:fa:2b:8e:01:e3:14:40:2e:82:b3:d7:35 was issued on by Let's Encrypt.

This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.securetronic.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d1:3d:9f:36:34:fa:2b:8e:01:e3:14:40:2e:82:b3:d7:35
Serial Number (int): 332537782064147672664365438270160531347253
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 78:0e:0f:70:ee:79:5d:49:f0:19:d2:3b:8c:93:56:da:01:72:6f:a0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 68:39:a3:80:61:b3:9a:9a:0e:4c:99:85:e3:b7:29:c9:51:59:34:ef
Fingerprint (sha256): 45:01:ec:f8:6b:97:3f:70:81:0d:50:49:dc:ee:25:b7:a0:a5:c7:9f:67:e5:a6:11:3a:8b:28:7d:3d:23:4f:24

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.securetronic.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.securetronic.com

Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment

Extended Key Usages

Server Authentication
Client Authentication

Extensions

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.securetronic.com

Other certificates including the domain name securetronic.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.securetronic.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----END PUBLIC KEY-----

ASN.1 decoded

 [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 2
 . . . . . . . . [c:0|t:2|false] INTEGER 332537782064147672664365438270160531347253
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'US'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.10 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-18 16:19:58 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 16:19:58 +0000 UTC
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.securetronic.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 792148528441479310500867315493982642625413619295135238925143109719465525746214408151105982589287486124411071373852651929379212371957683007394314759650010281957115775287743650711514834195833450864819309815310173743199015487538050538561720142984611169895932554945619484791946539230070475652448603698729280889077697805522876500842318033178818531688068193014594351112351067682080774554963898000984027332432069311547243937934310282267009645949318761178121554900066432624274848625349930606348718310157653829031140385757792992285857331913894962577166353445964915697643675440539062445267499576252983851804305823998108692303020830922452010535980556097704584720504937706705741003673495136916800065897072425373660012077619681863733245800587642568460480301527958838783713680030856761176974695101056521269354608225167533390455087263101014174642992278139833512163965808299827295835287822307997724645343483139249390573319233833269784452750980929886676338267348360576308694622559543002514090716596118013721451451215726444488137955774703410069052635875626283759206428035230760494434449790791589987444040290507224782525354650771786888282932617470276453387645979987103533097636504898807174201502962968976116977819086794426839646463184198633190488346221
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 65537

 . . . . . . . . [c:2|t:3|true] ORAddress 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (3 bits)
							05a0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							780e0f70ee795d49f019d23b8c9356da01726fa0
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (99 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.securetronic.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016f1a05ff2b000004030047304502200c72bb6178a9fb3d17ff02aae71ee838eebdcdd8589c723ba7882de07973790e02210085dd8cf42359d89aadc49b4a7d50f5bbc28b31383d0f545f8d649e49aaafe317007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f1a05ff18000004030046304402202a82d2a38b4d710170edac58af53c15427b4b7d46f702ea1c03876d5bb91bfd902203615fbc92bcd33d9568db6503a67645a3d0a589c88acbbadcf0ab8a8b1ba106d
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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