DV SSL/TLS Certificate for www.katjamoslehner.de

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.katjamoslehner.de DV SSL/TLS Certificate

This certificate with serial number 05:08:76:f3:ed:e4:ab:70:b9:ac:de:21:0a:ed:d6:f1:0f:28 for www.katjamoslehner.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 www.katjamoslehner.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): 05:08:76:f3:ed:e4:ab:70:b9:ac:de:21:0a:ed:d6:f1:0f:28
Serial Number (int): 438441804050856140308838928206014306127656
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: d7:c7:d8:d7:d2:65:c7:d7:0c:58:54:ba:f4:06:27:44:59:9c:7a:e0
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): dc:6a:90:f3:28:4b:e7:04:39:da:5a:a7:42:e4:ed:e3:53:d0:f0:3f
Fingerprint (SHA-256): 56:82:66:bf:31:9e:cd:65:c6:91:85:a2:e3:90:a8:39:52:1b:e0:bc:9f:8f:08:be:37:fd:62:18:9d:2c:e0:8a

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/41.crl

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

Advanced Certificate Properties

Technical details of the X.509 certificate for www.katjamoslehner.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

www.katjamoslehner.de

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArdk5r9m+XQJPK8YZqdns
gvxVY7WM+zsXyjWx7fbC53mY9B/EOnSe2MQgpSVZU5F+X25cs6K3A9/5SKsRSu6R
JeKSmyrc1j66zJaDEwBX/SWpToB6R0G/79AMEt/mjv+wTBI6CwhnllgPurSSO6mW
3+gj3gVyPWiQQNKXGhSnoHItcGT6XP3g0+VlV5EBYl29zQb2tbD4bFyZAXHqk+Me
5fCvp+/ISfjGFA45k/ucZ1lIdrUpjiPvVXRu65O4u0iezk9B9h5GFNzqAIaiOsTC
6yEeuzCWgskAZMZU25nHqyZVEwqvjHrBfA5D/mrHO8vRFhZ9TyJzM5mRlWrD6rXR
wwIDAQAB
-----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 438441804050856140308838928206014306127656
 . . . . . . . . [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 2025-05-23 06:06:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-21 06:06:34 +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 'www.katjamoslehner.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 21946344566379134736864380650229321470562342426806084277871557411956753374573883557591835011500863060873035496171930050169038852760306407389115677008368144126789574606625567221351927565689870244389432906511711754100236128148519804929638209941398162403178737164155501969756991648520850110314227989649436129170615860843035411408590042335452156537573318229798280197673690924657863140976861053936847925348360537869451173348029578717816390698396993879635314304086191974291551254764860798308717563875091373863590904239566723707925349382230688963245644901176860333307479613715052184953851320466771892705660193527971079115203
 . . . . . . . . . . . . . . . . . . . . [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)
							d7c7d8d7d265c7d70c5854baf4062744599c7ae0
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.katjamoslehner.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 (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/41.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)
							00ef007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000196fbf5b2f1000004030047304502203e76cae0d72ae5b544d5d482b97c13bd4be582717cc85cb1b5a5e4ec8b99938a022100b2313a0921651d5b73cf43e0bb2f41a0b3465c6a3e6f44ffdff2295cdb14d13e007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196fbf5b3270000040300463044022046b98e1f66b2b93c7beaff8d11167c78e880d0f3a924878916d0abbc6fa453310220234114a84040b614e2de78b1be2b616017f75e66cf56b7ab636abefed6227190
 . . . . [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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