poligonmuhendislik.com

Issued by R3

About this certificate

This digital certificate with serial number 04:8d:8c:72:9f:b4:ac:80:2a:10:78:af:0a:30:d0:0a:15:4d was issued on by Let's Encrypt.

With 2 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=poligonmuhendislik.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:8d:8c:72:9f:b4:ac:80:2a:10:78:af:0a:30:d0:0a:15:4d
Serial Number (int): 396615644543362653723408199688151328494925
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 15:16:c0:63:b1:06:44:6a:9c:45:8a:76:6a:50:ee:b1:cc:a8:c2:7b
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 01:70:31:59:bb:17:19:81:39:9c:20:f5:c6:a9:23:35:d2:e3:96:4e
Fingerprint (sha256): 12:2f:22:76:9e:47:b6:69:ec:85:3d:ea:ea:38:d4:90:82:cb:92:fc:bc:23:f1:2f:a5:4e:25:73:ab:ba:62:9d

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

Revocation information

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

Check the revocation status for certificate poligonmuhendislik.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for poligonmuhendislik.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

poligonmuhendislik.com
www.poligonmuhendislik.com

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Certificate

The complete raw certificate details for poligonmuhendislik.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAx1mo4KK7vYBtbOlpahNn
BGpxspRUS0Y+7Uyc7chev5P8i9XbvukRzlXYBdzM1Pw8DLTLKH8HJpXC222szblq
Aep209mdHP2FwBoc8k32s8nwgE1Rstjd4YnM/YYlKL8JrwV3EMYeWtn52CVEzpoK
m3/4tEJPhb4Cl5rqp+mNmgnQKbDN0+D36/OCZgwYERpMJEXyJPQu1FuAyGaVNtxT
XGSCAIJ1wYugnENjQWvhSWF06+27ufyemBAbILxeFZnBL8o14I9VYJUKTmdEPPGt
ntZzWvC9c6ChlcCpOQWqIMgNOAB/JTeMrpYHO/CovVxQIfxIOgjV6cEJsmFumki+
cQIDAQAB
-----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 396615644543362653723408199688151328494925
 . . . . . . . . [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 2023-07-14 12:44:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-12 12:44:13 +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 'poligonmuhendislik.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 25165635523138883719777288944227770774154812521366124212911531191275348768848052966577052145258204163471367159385711981317759041430146267218011757076010836410168189427644306118912623689166324122441217600761138980474338472501289050425554871183957728167832424577460535191350213002772663301097500822374789859405876124111989063026151126038775012094843303825923983671799496711500519986502208763100209914145158699817302697974983713110477984461476504150533008948341446355562163268284303843571164649819303422075127669753725370955207374017099643486513080350551898548606416597653567025089583236437652465764101028667848416345713
 . . . . . . . . . . . . . . . . . . . . [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)
							1516c063b106446a9c458a766a50eeb1cca8c27b
 . . . . . . . . . . . . . . . . [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 (54 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'poligonmuhendislik.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.poligonmuhendislik.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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018954a51dde000004030047304502200c96b9f136f2f43371740d624c1f35acfcb67fe09d5fb1f223ec978afdc69586022100e39d4c52f787a813890d5d0fd92e9309802f8925b5755b3a24d12054befc8c210075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018954a51dea000004030046304402203daa811c96c8f747c75142490cd0df0a5da1dacd0af0448a8dc529a030ba93a502204ad46a8cf7892e6447f182cbe4d78fa824b5dc2ade4b6fcd96b5f9485c8f690c
 . . . . [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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