www.perfecttype.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e0:49:b7:6d:cf:eb:bc:71:81:1f:cf:50:c1:03:41:5c:40 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.perfecttype.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e0:49:b7:6d:cf:eb:bc:71:81:1f:cf:50:c1:03:41:5c:40
Serial Number (int): 337658094046844199717701841991395644103744
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 79:b6:7b:0d:74:da:47:b1:87:98:d1:7d:90:3e:bf:65:25:b7:71:b8
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 2b:fd:8d:94:31:6f:77:78:fd:e7:73:b5:de:81:51:3e:71:a5:04:a4
Fingerprint (sha256): 2f:ae:22:67:71:d6:69:0d:c5:ce:91:69:9e:2b:bc:25:8b:4e:e1:a3:0a:c3:44:3f:1e:89:90:d8:e0:2a:c5:a6

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.perfecttype.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.perfecttype.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.perfecttype.com

Other certificates including the domain name perfecttype.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.perfecttype.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 337658094046844199717701841991395644103744
 . . . . . . . . [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 2020-02-19 04:07:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-19 04:07:40 +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.perfecttype.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 773342062601312392217629074716530850014605900792041232767761095729613409082201479656927684821980048183065676399222625948246241496350083232864774908954174022886399423007223715848088378211269877379103092295894388181895773979765693999154421082687059217864941024278235571960436349189527506589870903019573235487457613461433199684980735189177443176182568639585547084318840435795088908035730339003598115205285697458454177366237069587419491612185873862381743898592750179397064652245081854518290467077157327967718010754155417084553207385517718682212252702583278647679720057773939618641328846424782961085291737867089069713162746749971721337324792249054603910638455281741266689350976404464006408707056331784078308523865474510954418445864880933367821436652408141523551788818019796448351846489500731182118897101400943760328787996907638462617180951002315317444848160682524786565814055643256829883358024614410432444854710803282144932910354169714928297109716901881160285513276893324420215600681518468081098946453255585725558855078489218983609654668571686715590930029848879008174170220041897935968297629456209481449158926910540458172978669042146238886801598353202992283692468833526058221390490250558901997191508233042521250290912081987524866790593447
 . . . . . . . . . . . . . . . . . . . . [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)
							79b67b0d74da47b18798d17d903ebf6525b771b8
 . . . . . . . . . . . . . . . . [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 (23 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.perfecttype.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)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001705bd832290000040300463044022049986e54415e509a2fc4f94aff91b140f231634630da12fff84a361b0af3a15102201174eded65f37a08d7ef02f0cdbb240e454c6068fa95fe2c630a355863a773d500760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c000001705bd832230000040300473045022100c0cdd3b73877cbea87a5b0b0fe36d6e035c3226db2962aca620ff46a0498471b02207cbd462620646ba8331c37a17dc96c7dd524d7eda66bc143b0fae997c713131c
 . . . . [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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