DV SSL/TLS Certificate for vikunja.techdebtor.io

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the vikunja.techdebtor.io DV SSL/TLS Certificate

This certificate with serial number 06:a6:4b:45:5d:45:19:5c:2c:0c:1f:7c:f6:f2:d5:0e:4d:76 for vikunja.techdebtor.io 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 vikunja.techdebtor.io 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:a6:4b:45:5d:45:19:5c:2c:0c:1f:7c:f6:f2:d5:0e:4d:76
Serial Number (int): 579260640759343057315756018011272341507446
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 57:f8:8a:d0:bf:b0:db:8a:48:96:5d:af:97:c9:78:8e:fc:76:a2:b0
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): 96:8e:d3:e5:31:26:81:47:28:14:26:bc:ea:e7:58:9d:a2:6c:2d:d2
Fingerprint (SHA-256): fd:3d:25:d1:20:f9:aa:40:ef:58:cf:74:39:e1:f2:9b:f3:f1:6a:24:8a:28:21:94:64:17:9e:ca:91:f7:1f:e7

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/119.crl

Check the revocation status for certificate vikunja.techdebtor.io
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for vikunja.techdebtor.io

Public Key Algorithm
RSA
Key Size
4096
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

vikunja.techdebtor.io

X.509 Certificate

The complete raw X.509 certificate details for vikunja.techdebtor.io in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGBzCCBO+gAwIBAgISBqZLRV1FGVwsDB989vLVDk12MA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTAwHhcNMjUwNzI0MjI1MDI4WhcNMjUxMDIyMjI1MDI3WjAgMR4wHAYDVQQD
ExV2aWt1bmphLnRlY2hkZWJ0b3IuaW8wggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw
ggIKAoICAQDKlasb7Bo2ypBp5oapOn6f//xaXj1wT5byy7OZ9NJI8cxw0D73eT8X
mZNbAQYUi9fmzemVreUaT5Yq3vpDGNWQ+lElez0l8uBQlfgzBHaIPOq9tSwhmLQ/
aAu+uEnARl2ocIbdiZhVW/j6Rhn3JiG9pifXqz6vzTnbx08R2d5BnPK9Np2Gx4W2
8WQcgH1qssFrN4S6AveU4ppoo/oyHO7bw5ArxBRUSsDrHCyKmnRZAlXwOIagWKib
ssLJBfaZhW/O/3t8BkhPK7qonfCsjnx5MwuQIEgHaYZ0jU46+Qx0vTN08YefzWH+
mEo5iusU+DQ1lw4Ob6jfQB1ETrJ95ypogy6oHx9tXLQ1KvlK5gofW5Am1SprY/tz
8ZTtGVq9+Ua/ixxZ66mLUUf7GsBKEQuStgpLgKxeI6IBka092UJmTur1RLlFfiKQ
G4UOXcq0OnIhAP/VRSZR3F8Bn9sJnfTJUNYm8QOPFPxsAgjzsfJje6Ffm7XiXR9T
lNwwrSSC4H38CPxKydcY7bXHYxuf6iru9ZT38Zzd+OzOAxr6sLrBFra6yZHq/o1B
Ht9/8Y7bLmPI5Sg/3jIckAbodWztMcrntbp1XmeHvUBUuvqgSxujwAWPas0LLs/R
c6h5hUAxs2JCcPHDfjIE8uDUFH7hiIWqe25PS0F2kVCyvuUeaaP3hQIDAQABo4IC
JjCCAiIwDgYDVR0PAQH/BAQDAgWgMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEF
BQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQWBBRX+IrQv7DbikiWXa+XyXiO/Hai
sDAfBgNVHSMEGDAWgBS7vMNHpeS8qcbDpHIMEI2iNeHI6DAzBggrBgEFBQcBAQQn
MCUwIwYIKwYBBQUHMAKGF2h0dHA6Ly9yMTAuaS5sZW5jci5vcmcvMCAGA1UdEQQZ
MBeCFXZpa3VuamEudGVjaGRlYnRvci5pbzATBgNVHSAEDDAKMAgGBmeBDAECATAv
BgNVHR8EKDAmMCSgIqAghh5odHRwOi8vcjEwLmMubGVuY3Iub3JnLzExOS5jcmww
ggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdgCkQsUGSWBhVI8P1Oqc+3otJkVNh6l/
L99FWfYnTzqEVAAAAZg+1xERAAAEAwBHMEUCIQDW84L7Ym6/XPWFLFt0+dnP17KK
xAdL8GOQdTL8NhH05gIgA5MCwmYI9bPLWkWOtMEx5YFuOZvHspg4jDz6nY//MEUA
dgAaBP9J0FQdQK/2oMO/8djEZy9O7O4jQGiYaxdALtyJfQAAAZg+1xEwAAAEAwBH
MEUCIH+WD+JxCDRZcl4i2+ARgA/q1tX0UD1a3xu3zUQWuvUjAiEAzUdH+z/dZ63I
maCP6e3Nlh+HR62p8M0MZNY3Muemu1IwDQYJKoZIhvcNAQELBQADggEBAIFRkRMK
oHkaIrBqyKdsIBYdjISIvizYZjPEDy/CQikK++G4EaKb0W3hdSDNdymZDFUtSXvr
/DNtTNswZ1vJ7FW2w8AvLZDtiCo/tTFdJkGiDSq5bDyXVoP5egSrHroz4zRcn7AR
4jdQuHM4maHonvGkZx6TPtHZprORV5j7uYrmiYK80VVjZO94oePsxSc6F9CUFjOj
dpfERGncUAB/GeJy0BGgMH7WyeT9W+PYbUVSzGeOLr3VaGaNk3cWVgMzq4BlihGj
7g1EB84Uat5gpcDLa4l9g9MJChMFWb+SDkeLlWKRqpWzj78cSb/WvgazwF6377fq
+OSDSlgcWN1CuL4=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 579260640759343057315756018011272341507446
 . . . . . . . . [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 2025-07-24 22:50:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-22 22:50:27 +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 'vikunja.techdebtor.io'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 826473233689507588482172365882178560088208934037512951671246024193255481434024676015038246791738353564367674102695377061782216497870727751697032083315001054541848525246365285431205130196229200360328438086381134088987659836998826143198970573934254014076362319711426332527564694556238724499729014478884499897491469812361487987742900899585384525498714254472205461519251223833562624579738827699199483984403988291461247690706003402444338413736358422785233673370825354593677955279332961237247280918757170140569589580249578914449920114665906685315905686661925677727202605396328397202724147185602997091637043819153208979840064249348705754065405053252503055623113172798884528079705938576690669228613558218783104414783446540283204625427258910994066128645181734110486217862774307072930640698531556676515535038529274517035388834163324172439703092368909853865291567839617219048025954614807260490123761797583444785171899931942432620954456335880699292493410334438560192399116759414523474107237107940293598229405439290701208444467274421413469601907574323389372034941773860338768490672415975513593059933700418387644810827178084484545951449159380444399879934012086614016077749917853020119656913317042165983958323591224486289084344814131779066082359173
 . . . . . . . . . . . . . . . . . . . . [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)
							57f88ad0bfb0db8a48965daf97c9788efc76a2b0
 . . . . . . . . . . . . . . . . [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 'vikunja.techdebtor.io'
 . . . . . . . . . . . . . . . . [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/119.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001983ed711110000040300473045022100d6f382fb626ebf5cf5852c5b74f9d9cfd7b28ac4074bf063907532fc3611f4e60220039302c26608f5b3cb5a458eb4c131e5816e399bc7b298388c3cfa9d8fff30450076001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d000001983ed71130000004030047304502207f960fe271083459725e22dbe011800fead6d5f4503d5adf1bb7cd4416baf523022100cd4747fb3fdd67adc899a08fe9edcd961f8747ada9f0cd0c64d63732e7a6bb52
 . . . . [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)
		00815191130aa0791a22b06ac8a76c20161d8c8488be2cd86633c40f2fc242290afbe1b811a29bd16de17520cd7729990c552d497bebfc336d4cdb30675bc9ec55b6c3c02f2d90ed882a3fb5315d2641a20d2ab96c3c975683f97a04ab1eba33e3345c9fb011e23750b8733899a1e89ef1a4671e933ed1d9a6b3915798fbb98ae68982bcd1556364ef78a1e3ecc5273a17d0941633a37697c44469dc50007f19e272d011a0307ed6c9e4fd5be3d86d4552cc678e2ebdd568668d937716560333ab80658a11a3ee0d4407ce146ade60a5c0cb6b897d83d3090a130559bf920e478b956291aa95b38fbf1c49bfd6be06b3c05eb7efb7eaf8e4834a581c58dd42b8be