printingclass.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:f8:0a:1d:9c:b4:29:2c:54:f1:d1:61:ca:e8:1a:e0:f0:3f 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=printingclass.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:f8:0a:1d:9c:b4:29:2c:54:f1:d1:61:ca:e8:1a:e0:f0:3f
Serial Number (int): 345740330826569935449025309145922468376639
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6e:8a:86:1d:f3:a5:92:ff:c1:f9:71:d6:e7:fa:6a:9d:91:83:f1:13
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): dc:03:90:7f:30:20:4e:c8:8a:27:f5:82:95:14:ce:5f:20:6f:46:f8
Fingerprint (sha256): 3e:4c:ae:26:47:35:2c:47:51:1a:22:4e:3f:5f:06:e1:db:34:6b:15:7a:0b:eb:3b:44:1c:5c:cf:0e:86:64:ea

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 printingclass.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for printingclass.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

printingclass.com

Other certificates including the domain name printingclass.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for printingclass.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 345740330826569935449025309145922468376639
 . . . . . . . . [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 2019-06-05 03:11:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-09-03 03:11:46 +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 'printingclass.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 837384010345534697547593238118745692232914748404393576744010235959349461272709609136990071768376620985071948458025100492122807498656480778186809177132488550916039722021932588303536921420967880698985575156099894967729413577289364668186649754509592466778192634486564214050600613121500269859157554732772510458033528079179814249610417552994151920917330396823544801667752675644127936379308383138459260821512797236361580724646294616860667471255299564656139359949745660923798285442182063022932369478553701043607255037393430596243901669955352454545825975639657699737512304980304335506218854020338832521567106799143360952395912043986811407181553135885464697170002523880933227398255352484807632639819536478965589662576311344256154994434941786021775018846042931407948521316393787922214868868571616376798263334944452855187531032398069179473620509238835662731789885750213505698833509527271807277064456592795221045462939784690049632525839550534225850205024746438095031289770501851580314960509388293001702647651419874067229979102287825155447496960023905869562566381194184579728597702357530659126395697599331344036038406902065434065235426288442790320778627103377016526528085224112400003483324138716225467234372166561246548658354151317446373355065217
 . . . . . . . . . . . . . . . . . . . . [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)
							6e8a861df3a592ffc1f971d6e7fa6a9d9183f113
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'printingclass.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)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016b25d5f2140000040300463044022035c03ac721d797bf38fd23617e00043e5d7e8635e4fdde3fcd4ede7e4672fbd7022046c259db5aa83e24cd2bf720ceedf90ff33bec5d9141b571cbc0cd3bf6dd569a007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016b25d5f3f9000004030047304502200215d4eb8e90c91037457a7d22a79c437bb8e9a75f789b9f22fce2d95265fb35022100f28b1ef3d730370b548077261caf850072beaa3ed8c91daf24263d2499f17628
 . . . . [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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