DV SSL/TLS Certificate for tasktimer.ch

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the tasktimer.ch DV SSL/TLS Certificate

This certificate with serial number 06:3b:10:f8:df:b1:0d:1b:eb:1e:af:98:9b:cd:4d:96:e6:8b for tasktimer.ch 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 tasktimer.ch 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): 06:3b:10:f8:df:b1:0d:1b:eb:1e:af:98:9b:cd:4d:96:e6:8b
Serial Number (int): 542772935113455107951095113535936966092427
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 31:9c:d8:47:07:85:10:25:79:b4:72:54:7d:87:5e:c7:fc:56:3e:5c
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): fe:ad:16:a7:47:78:67:d6:7b:69:4e:49:e0:ef:d9:bf:9b:ef:2a:9e
Fingerprint (SHA-256): 94:3e:73:fd:46:27:b7:91:cb:71:b3:69:3c:e6:e4:09:07:40:81:bd:84:44:eb:5e:e2:54:ce:92:af:23:44:91

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/12.crl

Check the revocation status for certificate tasktimer.ch
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for tasktimer.ch

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

X.509 Certificate

The complete raw X.509 certificate details for tasktimer.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAn6VJfcexoAEsGR96uY8x
EnXljG8GOx5uM3ZRC2f8o4ap2YtkdamMwyNuNh4rACi3HqqsvpwcC8Q4juKS48N3
lyiickIztP2PYnVR3txVpncMn4UeuRm+KX8UwydJeR5vmpZyKU7xaFp6lVKDSkJ+
BW+nG9GBGji68W8tUyvGtOy3+oj9GkwFUrkmPf4okNT3HoScLj9W29dQldPVM1GJ
D56/f4vX9o8LZd2gB+7/JtpP9pxrg2VL+1YQ0IofEDueL3Tm4a+DG5at0OCOREbb
zZdN+JGT8j1UMzKzS/Y0+CapvxTmEkjf3cQG5KJ0gXsNk28yFzUFMrImPzFuIFP7
hQIDAQAB
-----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 542772935113455107951095113535936966092427
 . . . . . . . . [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 2025-05-27 12:16:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-25 12:16:05 +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 'tasktimer.ch'
 . . . . . . . . [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 20153396584306769346601249931956079264327235842430111689912932746131209686177374735013696426727959710868586556230527192294231738433690705571407515652873101636041527082363835751621279021417962080937183045888057055841807725182527052642406920249213477994149727131289535520720047296851506004933288333496804668454733806693454897638100371086317016897607827684288815996544703941868580182541190157372809885147690192181471191201318607185930035729260139939539144590412086039797456849392238147706250870907191519624258155145474853745160065417002466601462658876814623610824909631955576663751181953604367868577685439393420727810949
 . . . . . . . . . . . . . . . . . . . . [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)
							319cd8470785102579b472547d875ec7fc563e5c
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tasktimer.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tasktimer.ch'
 . . . . . . . . . . . . . . . . [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/12.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)
							00ef007500ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe00000019711e1717a000004030046304402201f95df8d507db04464ae22c154769f2c54f5c1064b17a0cc0b40ae322a3b620e02201152956ce92c2d000f93894f61923b6de1b1b7cefb22e9da9662ac462ee07cc100760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019711e1717f00000403004730450221008bacc6cc8f7df4c0614bd6338ae443d1ef7ed55e2c9b13a1ae1921fd4050543602207d8d6c93e08d1e563e2e7d57e817a8cf1258fb5acaba88ff8117977fadb14f6d
 . . . . [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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