DV SSL/TLS Certificate for ktvd.de

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the ktvd.de DV SSL/TLS Certificate

This certificate with serial number 05:9d:6b:7d:2b:16:f7:79:16:3a:e8:cc:e6:ab:d2:5c:ba:25 for ktvd.de 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 ktvd.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): 05:9d:6b:7d:2b:16:f7:79:16:3a:e8:cc:e6:ab:d2:5c:ba:25
Serial Number (int): 489128638572008096563488022621582041856549
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: c5:4d:69:9e:54:8b:07:31:34:da:b1:c0:5b:da:28:b9:9f:ae:17:d7
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): fd:91:99:3d:cd:4d:d8:47:68:d7:43:5b:09:af:dc:be:7d:3b:df:db
Fingerprint (SHA-256): 37:bb:1e:46:8e:19:be:dd:9f:fa:09:06:cc:62:0a:63:6f:77:34:d5:ce:78:9f:fd:f2:d4:4b:b5:db:f6:52:eb

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/38.crl

Check the revocation status for certificate ktvd.de
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for ktvd.de

Public Key Algorithm
RSA
Key Size
4096
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 ktvd.de in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----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 489128638572008096563488022621582041856549
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-03 21:46:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-01 21:46:34 +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 'ktvd.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 689491477522121358034536039912117777271074949214043978727675599524566359854603682922026045413130178908872991161146872786584946936425065834750982149476419700953130735851790823949189927993388241962372212353946952105506812467470694140175777157267992676164205532063803754537640674219682920960640072752771448896279877479272139895092424520909923969614280349272175550539063943687686113790785243247264123633194527609578027993166735854901301357018601235785193697334540307709883051579156711489597532709921706240212943537744539717987189188949395110155719677372000816011043129372051111636523519472292508462660562051809618815640456908852479414487048014582959315118161730110988357251013111461380337997536365786795357461993161643310016456685939126453913353618134567237720477122696228648856998438835841759265818238103156564641171398966694995413051628492858762094653304510250479939307130730675219930317204883426300746214434265957112133542006733868077046453005685813396587713072713942409975347899063474209663723177251882830998466506605323221330734389118783812412090022209476593950649742832149873635569306237764183371394203189248772323315493807315656623581002550949698434614866437254876595792688452106332899361906035903856715936202329843031796126848653
 . . . . . . . . . . . . . . . . . . . . [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)
							c54d699e548b073134dab1c05bda28b99fae17d7
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ktvd.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ktvd.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://r11.c.lencr.org/38.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)
							00f10076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa340000019737f83ecf0000040300473045022100e9cf0fb602821824ba335dcb42f1aaf569698b397a55a645921a40595050883b0220774ef3f8655875a543c159c45c9e549333af2eddbc0d710b987e96933992311700770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019737f8469100000403004830460221009c67b6d5d60da29c84e244e37f1f5e8bad43b3c202f29ce006c5944c994874e7022100addc10d3d77891979d758c96121d2182eeeafd9a2c5e34a9fcaced6dcb8662e2
 . . . . [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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