www.perfecttype.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:d8:5e:16:cb:81:f5:99:a2:1d:07:37:48:50:e4:85:0e:ba 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): 04:d8:5e:16:cb:81:f5:99:a2:1d:07:37:48:50:e4:85:0e:ba
Serial Number (int): 422075200771723956617089970707753014202042
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: dc:2a:80:57:df:3f:c4:20:f6:eb:5c:31:73:9d:55:47:de:6d:ba:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 8a:53:e8:80:e0:9e:3c:11:a4:ed:07:57:e5:be:83:90:90:44:39:0a
Fingerprint (sha256): a8:17:d0:32:26:a2:7a:8d:8b:ff:e3:21:18:2f:0a:80:9f:36:73:33:2b:2a:37:88:49:d2:0d:73:e4:2f:80:e3

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-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEA1RBDjdm3RCf56y2C+n2z
ZllCHjX60lOtNgmWGUazfsJdIHEKySuUzMWL0TlI1yxy//gygfWkBY4LWRUeyKef
XKGZhFiV7mubqqplMroGx0cqvn0NlTQxZXjBP8TJa+tVIsHV/e0gYheU9LPkzuod
y4dh/m10HEN7yXxOjXBLGnJrnSH3QLebK8rF1vNB8IVXiMbYM4xGlytpmoEZYAxa
MBdIgLYOumij67q1PqXMDUsQXkqQWcYcruenUumDLs30cXeDsf0AzpzxT37n0ibA
8P8Ga7J9XvpZe7lUudkjbbBW/L9/6Xy8Km7sXRk9mh2+mjBBUrHr/FMVMh1bxvJC
QBV/uoPuBWsBL9y8jx0l26enPyx7GZJi1Wst32V9y+ZoboqaE/fCrEWxPn8DWi7k
9XtoG5xNT77Sxm/+w/bN6rkT945q5OvgKYcYcXhbZLlN2cFhBUxVYqpjnfRUFy+I
qIeTUqarl963OBm6nrtP0wcf6PEpV1fxBfoi4nrmddxSB9qx2b7AJyc0tIbE6pPr
ZwoeFPj6uJ2yb72YX1jJTLuuq6bHk1s9yhplhg2upeT40iqPeRAwFQA/vhhpoiRU
gTj81FpwRUJSRK5X6LX48cgRvNH3GFlNDlElGrIZwVYaexXwVXjWf8JVsZGaACLG
dlAsL45Eg0x0ymK7xSsfinECAwEAAQ==
-----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 422075200771723956617089970707753014202042
 . . . . . . . . [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 2019-10-12 11:07:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 11:07:02 +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 869223369514402984911520150920992997263518551004244129530070961265324082238441722890271601533260773188490433671631941453953240995292880585000205374036312996712180642103865935340318346050821409792852492565742437148560731211925540355799615750830330499541067333074625538273349390664752658536112713961458507549392063108058648559410115008248782684788361784072412285771616442840380165005535946135352091978433260362792140049284645525099970229982060452145319787740300670162500573927723992981194976201820683433978651219541385703682079389190837070323514651546341765283512722740016910601400652301693046861730100211475054847418937714741417467207514942067446141153576043170137304136573567942714509957265562438787452374462478868612986090133740814994961570681745431836449591763380735319866266412914268588051703282801667997569351511067065192359998645471406184660599390756058980880151391230414415352067512745428048142561025401907894847581578712177395659052338318173498813896452294796072198991506683343925184722264723971521751837837348201424530640835297962563852805455214142193071985979208069513538119788365976166743447630184234379149151637173832233068758845222042656746119620615031634958012344965005702033514475011108440618691535230410009401649760881
 . . . . . . . . . . . . . . . . . . . . [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)
							dc2a8057df3fc420f6eb5c31739d5547de6dba48
 . . . . . . . . . . . . . . . . [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)
							00ef0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dbfdd6e46000004030047304502206541fdcd9621247f44584b3bf282efefa89f72cb3b237c9d1ef3b47d32618da0022100c74d7fa90cf74cce535721bc8cb2084d6797085902f3079312a0c75868c51283007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dbfdd6e32000004030046304402201bfb5c5a3703db9efa23c392b66564b05c6d1273cfcb77295e6e321b5e75e21c022007b277a56cecd2fbbc25c7842d2cc0682f430d0dfe22eafcd16a6f99b3252619
 . . . . [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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