alexstathis.dev

Issued by R3

About this certificate

This digital certificate with serial number 04:f2:bd:5a:6e:40:16:b9:fe:d7:a0:ef:1c:b8:a7:17:4c:15 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=alexstathis.dev

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:f2:bd:5a:6e:40:16:b9:fe:d7:a0:ef:1c:b8:a7:17:4c:15
Serial Number (int): 431049170155971404306645735969657233820693
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 35:b4:93:f2:64:47:9d:66:43:b9:7e:76:29:cb:6e:39:f8:06:2b:58
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f1:3f:2f:63:f9:98:e7:45:98:7d:34:3f:82:80:f9:c7:03:7a:bb:f4
Fingerprint (sha256): 9d:c8:2c:1b:e5:95:fd:93:78:8c:c4:6c:bb:18:8b:07:53:f6:33:e9:41:5f:52:83:b4:b6:26:3f:36:e2:c4:69

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

Revocation information

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

Check the revocation status for certificate alexstathis.dev

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for alexstathis.dev

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

alexstathis.dev

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Certificate

The complete raw certificate details for alexstathis.dev in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA36Pe1TCOzzic9QzL3sW4
buRZGH5Nlf/KHabkjkO6UXmpMtCxISJApjVp1awGGkjUV/C8sM1m4/l4A+f0PElr
2fjA2tJP0Q6PWrZ6nStOAKbpWWPaD8wTOk/M7rm1RAi7h1pFORTxpgkzc8Z/vJbj
9aDo422uJCP2UrDv229vT2iHjsLGDgC5FluFaS7csnfxIuEut1tITZkEWliFWdun
I1FQ+HGPegOcLcl2QkbP9enJY7MwOXkXPKrFwaadvDvnqMBUTU+CYdVxxDdChKBJ
fUghiLamm72OaQYLwbSuCh0O2aJyat0PJRcCPvO9Ghb3rkbIVdDUjPPcvx7IUMnw
vwIDAQAB
-----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 431049170155971404306645735969657233820693
 . . . . . . . . [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 2023-07-15 13:53:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-13 13:53:53 +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 'alexstathis.dev'
 . . . . . . . . [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 28231949533387418712716496876642437898818656236924605113148322738546295357135330008269504089647365600554026374013467976567728580215573588678100991955269420489818476145578509811008865380830802227745122963749997375710707448267601485909616323688295523342397829898562247234973605871665674125682028509410966399809947034318865262784954673780497172679390312293518225961155528317231590566480155334005021382877252131717355923274212276132612127438075891510224521517233119398424399666529932576594458774190920621425841549222862146930040146297439255702626152641933156673833878756373388547393918419034085705443626676739600787566783
 . . . . . . . . . . . . . . . . . . . . [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)
							35b493f264479d6643b97e7629cb6e39f8062b58
 . . . . . . . . . . . . . . . . [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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alexstathis.dev'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001895a0b41a40000040300483046022100bd6c64a72c364fe8b11143a7ff4ae88409208cb92842de931efe538707fcd1f2022100eb229fb7d81b8501c71c5b632d30218b8f8ed7385a0798b34b141b3c4631de86007600adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a000001895a0b41f00000040300473045022035063323f09a0c2b66c4480749952b5d61791a412e9347d3a9164dbb141f8986022100f6ca1ffa47bc4717805a10239a2b4aad0d8657d5301e564ba7ea85b38e429ec8
 . . . . [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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