DV SSL/TLS Certificate for luminet.pl

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the luminet.pl DV SSL/TLS Certificate

This certificate with serial number 05:4d:36:9e:42:13:a4:8b:95:af:fe:fc:2c:06:6c:14:39:cd for luminet.pl was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for luminet.pl provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:4d:36:9e:42:13:a4:8b:95:af:fe:fc:2c:06:6c:14:39:cd
Serial Number (int): 461835771946584822097661512873568854358477
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 02:10:a1:97:d6:e9:63:a4:5d:de:1b:b9:06:7b:47:c0:ac:81:71:ee
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 48:cc:60:51:32:34:b3:1f:e9:2a:ba:ca:8d:c0:5d:5f:2c:03:4d:34
Fingerprint (SHA-256): 66:f2:23:80:90:95:0c:40:6c:16:c6:f0:dc:78:59:67:7f:4b:60:3f:0a:e6:ed:13:5f:17:3c:f4:ad:87:e9:92

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/78.crl

Check the revocation status for certificate luminet.pl
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for luminet.pl

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for luminet.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAryV4prbUKl4pRgbf46YZ
HFXzwRIPiVHdgFmSqpwFvcltKNLL69lMMAnjSZaK0TjJ19Hf/Pwo8l0i5ELPgrEd
EJfoNXSeC+Mq0gIrNmzKoHUD8UoItl+3wDrUKVzUBpR30U8QZuWq+zk8pAyjrRsw
3gs6T7SbHnlpxu2MIf3oVara/VO8PAP/tAdJ1GHWBdzd4CMR5HLeL8kKPOhQzAg7
KKnu2vPNSR4Vgj0UWVQAU6nmzsMuJfhqPfHcUKqLPfHqBVyZIQhVNkd+KsrroSZO
DntE6UgyTx9fQilZSgbrLHpXBVjRjtN1CMsnXZrHwXPXQPrTRHCIoq0OlKucdVtm
YwIDAQAB
-----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 461835771946584822097661512873568854358477
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-21 05:18:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-19 05:18:42 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'luminet.pl'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 22110181152737292496227017285166467007811207235685991483141110781158064949142262862062686080146905519896216962960612651480962646088557664608048809758614437253672970543522531088768006414919571499488226895903985007843244801565088284474578810907765214926950382904192347061962447078346082486376416829381199490541260748910532741393845222908923107756524744248765132912269987544883209235983491220102662248644402437226810963455256796011890390280678361583796380875212883389681533029470060511719521424675545206071819851679632744514157938124419912154371189921916644897686926813281924657995191005127464983077101533021822401603171
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							0210a197d6e963a45dde1bb9067b47c0ac8171ee
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'luminet.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.luminet.pl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r10.c.lencr.org/78.crl'
 . . . . . . . . . . . . . . . . [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)
							00f1007700dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196f17d29140000040300483046022100c1e10e0a7fb2a93c4baab7c022221fb9192124e08b88a25db865cc0bdc0843cd022100aa7d6f5d4f20138e85f8934e66f49fc352aff06d859b9c97f3ea9983edc685be0076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000196f17d386f000004030047304502201643a0a3290f4ee4427d37a91c6bcbc71703971ea68d18baf3c98d94fd034656022100bb8536cfd4e65347650144d6289602d9041d898d7e708f9fc09a99351df368ce
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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