www.mehmeduzun.com

Issued by R3

About this certificate

This digital certificate with serial number 03:b1:c9:7c:f8:f0:27:45:25:80:24:5f:e1:2b:e3:a0:69:c1 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=www.mehmeduzun.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:b1:c9:7c:f8:f0:27:45:25:80:24:5f:e1:2b:e3:a0:69:c1
Serial Number (int): 321834660461314568599362263220842787793345
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: dd:f6:9c:55:eb:e7:71:67:bf:a9:2a:89:a1:65:70:23:24:e5:c1:cc
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 87:2e:11:7e:c5:3e:6f:85:f5:29:2e:f4:dd:aa:76:f1:38:b2:db:85
Fingerprint (sha256): 43:89:95:b7:e5:26:a0:0a:c9:29:32:a2:8c:a2:ef:fd:ff:dd:bf:d6:7a:a0:93:72:45:91:bc:75:0a:35:2e:f5

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.mehmeduzun.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.mehmeduzun.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.mehmeduzun.com

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wdaco.com
www.bayareastructural.com

Certificate

The complete raw certificate details for www.mehmeduzun.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 321834660461314568599362263220842787793345
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-01 22:29:36 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-29 22:29:35 +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.mehmeduzun.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 788594207810343360853427449029849339143881464272178277463872870239789704280641996131864970670699050402744355342285510328799415718870083877020552483632666762091096121128684902094752885558344609656617404658969368339794729575332903921015241989685154424786117445924214047037960386523780016714038586437734641291533072675167860279543244043859706869667109654261926223991305799015335901539874817544658739484297791481447167548859810273268067498790712505497106080997003548981206814807568150071159892209147405084782279807275902153771753240876735774666969588745291341752701216243358006358510379867784129143261167605508138875342800223017960290184057167460876442370532632970402518173406404801707551571393518154300132951321089792239326723705229155885122531330580343417104309746323755880156395322418671470195545382086271394975565572242141934895198892961135150254798622464299305255514233294436988982135942072002406990781090727561726379465391484839369059098304180112707849557462779909869160953119799415866452600437251565238006897610752252504152048077769906962941189338172987442661775772116811322453060287078723160409080084070994922124052620453157946015445447520980195745370788035206850934794597553387813619358013482263149808449014424000920111890859711
 . . . . . . . . . . . . . . . . . . . . [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)
							ddf69c55ebe77167bfa92a89a165702324e5c1cc
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mehmeduzun.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 (12 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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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