DV SSL/TLS Certificate for unser-www.de

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the unser-www.de DV SSL/TLS Certificate

This certificate with serial number 05:1f:e2:e3:2b:95:de:ae:52:e4:24:7e:f8:9c:aa:5f:47:6a for unser-www.de was issued on by Let's Encrypt.

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 unser-www.de 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): 05:1f:e2:e3:2b:95:de:ae:52:e4:24:7e:f8:9c:aa:5f:47:6a
Serial Number (int): 446411768095802129581994752299942243420010
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: bd:12:24:65:57:7e:32:1b:2a:14:3f:7e:99:e5:a9:82:71:7e:b7:04
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): 41:c3:88:93:9f:a9:21:a6:70:d2:00:58:bc:6a:9e:09:c8:0d:a5:78
Fingerprint (SHA-256): 80:c7:07:f3:99:62:01:1e:28:3d:b7:1c:34:0e:1a:17:c7:85:c6:8a:15:52:f8:a9:a3:07:29:60:01:57:c7:30

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/107.crl

Check the revocation status for certificate unser-www.de
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for unser-www.de

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

unser-www.de

X.509 Certificate

The complete raw X.509 certificate details for unser-www.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+j6vR8jX5R/dG2UunMAw
uSrB008BK5sgdqqpFrd95zRBQimx8KqeogjLJB6rwg53LN7SddmdudUk+MAWXkUN
WOgABUP4cQDIoFvN3XRFMibBUjPH00m9wXkkgs8RYv7VozK105jNpHv9mVmsjKK4
Jid/q59la1apt6ocSUW4Cpzp84WvA4z0CtjEDhOrdFMTR8QTrE/o9k2G0HLVcf5S
28sV7GJN3pELNF01G7kAczQDpotzoCxcV8AD6iT1yqDcm0PQOkXihFj7xpVHS3Gg
YpAze4EgwTd/2/JtWzUh5nlywTtXoKMzomunESyvnfLomALK4t5qOee6pA99CHRH
MwIDAQAB
-----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 446411768095802129581994752299942243420010
 . . . . . . . . [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 2025-06-07 17:32:53 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-05 17:32:52 +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 'unser-www.de'
 . . . . . . . . [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 31590487213775221473221993676257363275995258500187939959842632993047182061676958626941902792617173558969068728405794254311003111790628326540047664361180426063635555420792787233830310503473449844838976551509290879158302419500658043424295557213980804756943176917180810524922143295688841687149256891985749297771591670049477881972447596129055191141686517080157300583936789475958717932462676250481871571825006041656562839856415728300414850818546808134302244942327619045235156380954422202155366744365234599978110312055198956956413031788196968452659641512876631207051816131862226580671379626789068917362186105148693665826611
 . . . . . . . . . . . . . . . . . . . . [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)
							bd122465577e321b2a143f7e99e5a982717eb704
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'unser-www.de'
 . . . . . . . . . . . . . . . . [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 (40 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/107.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001974ba96c55000004030047304502201c67a87e72f9aa4bef97ad507ea41a5346b9cbacaeb62064a87b12b69801a063022100f19fe95a72507f024ec4394cf141772b22b585e46996374d33b7b2a9609a966c00750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001974ba974250000040300463044022034f83eda347612b29adeca40a0404562088b9ee906a0f0aaf608c983b1a65f090220792411f63d8910df02d1d8c2d6428330e66d53e04e1837c61443d76441df8157
 . . . . [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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