iot.computing-technologies.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:14:8e:e3:25:6e:43:fd:1f:1c:5e:2e:a4:6f:3a:74:41:12 was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=iot.computing-technologies.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:14:8e:e3:25:6e:43:fd:1f:1c:5e:2e:a4:6f:3a:74:41:12
Serial Number (int): 268332434919673149381451139469092777640210
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 45:e6:df:2f:6c:44:ff:87:80:ee:98:45:b3:66:4e:ed:0f:4d:46:65
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 58:70:3b:3c:2f:78:d8:cf:36:a8:2d:4a:91:44:02:92:44:3d:35:c9
Fingerprint (sha256): 5a:bf:55:bf:ba:7f:83:af:cc:26:26:eb:fe:93:e9:04:8e:5f:55:9f:fc:af:10:62:8b:0e:4d:1f:66:88:20:47

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 iot.computing-technologies.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for iot.computing-technologies.com

Public Key Algorithm

RSA

Key Size

2048

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

computing-technologies.com
iot.computing-technologies.com
www.computing-technologies.com

Other certificates including the domain name computing-technologies.com

(limited to 100 certificates)
iot.computing-technologies.com
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iot.computing-technologies.com
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iot.computing-technologies.com
iot.computing-technologies.com
www.prenna.co.uk
computing-technologies.com
iot.computing-technologies.com
iot.computing-technologies.com

Certificate

The complete raw certificate details for iot.computing-technologies.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqFjXEMMlB3B0rksUtkTv
YGvqM/EE6ckWQT5CDmvaC4oHzLByA+bF4KWLj6ttBKpXK69kYXZSDWIUREs5YHeU
jUNF3FHzbonhCPug88rfWGtimJN9QScliEWOlBLlELC5VhndBYgNY+7xmypq21YE
RnmsGLUGT+F9ohnXOty26rA/a/m4+zIClEUhB1q0U5hsXboAwpruIQbW3iLJLQ+j
/N2AgFj1lGKh1n+/gcm+4T3E4W1TZbQ40RZ5535H8ZsgmyBvbIfbdg9VfiwNVq4+
GUyoYUS3o0Ri25dnHs6joo1DrCu9P5ddpJrCDP8opgLmoSGH2fIezLHt0mqcpyjX
+QIDAQAB
-----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 268332434919673149381451139469092777640210
 . . . . . . . . [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 2020-02-17 19:01:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-17 19:01:43 +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 'iot.computing-technologies.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 21251843920144303432571204006790493064814672941534348326500683992105556214668065267504466076472921506175425048817142713156914534387459746916806584460938180218284909202112197070286535410915441027110293772536348211638168702113528698396387348459744958773309300863495165089102974434519385475832689096946783925540215876200180237766130463857430248110725630982002862586261585988101807741972309910072533355178985997462573803858594328020423456154395924697202989063994478727441431884378339313455359341238541198931736107506707628302774841784183410509160826872651497269729514499296731592390889356184715154634846466113745214560249
 . . . . . . . . . . . . . . . . . . . . [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)
							45e6df2f6c44ff8780ee9845b3664eed0f4d4665
 . . . . . . . . . . . . . . . . [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 (94 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'computing-technologies.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'iot.computing-technologies.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.computing-technologies.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)
							00ef007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e0000017054be01420000040300473045022100dd9aadbfd612557f5ec25ae21ec5ec04a06dc0da195cf98e9438a74c8379785e0220326ef0387d2e25dfceb4660c49f8652355fb59f67d719151f9e82848999da4ba00750007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000017054be0170000004030046304402207c35a450bb66405126a363b1443c8ed60b9616381ee28dd4b4992df6c93c9e5e02203a7dad5dd48e57f18aea2a10907d238ed7656c90a75259760f5cbf59f1ca1f70
 . . . . [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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