DV SSL/TLS Certificate for www.drschroeder.info

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the www.drschroeder.info DV SSL/TLS Certificate

This certificate with serial number 05:11:46:ed:e0:38:24:07:33:e7:b5:17:59:6a:29:38:0f:18 for www.drschroeder.info 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.drschroeder.info 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): 05:11:46:ed:e0:38:24:07:33:e7:b5:17:59:6a:29:38:0f:18
Serial Number (int): 441440510978225282463970315159290718457624
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 03:ee:cf:06:c3:51:39:f4:e1:2f:aa:76:03:26:9f:ea:b3:e5:38:4e
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): 88:ea:38:86:f7:a4:f6:42:de:99:64:55:f0:b6:00:86:ac:b5:84:b4
Fingerprint (SHA-256): c8:df:e3:3b:e2:94:3f:b8:79:ab:ae:03:65:2c:f6:42:3f:27:f2:8d:cd:95:55:b5:c2:0e:28:30:84:ce:3b:c4

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/25.crl

Check the revocation status for certificate www.drschroeder.info
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.drschroeder.info

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

www.drschroeder.info

X.509 Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAxGUoTfFYYoEZkIMoq6+S
PNepfzSJ5y+SXYPCFQb7186/fWGTdsjcuueIgDR3vNnGoRmSxB0EZAmc9e3fKa8I
cLmQo9j0XiA87/El7iV8fz1dAFXsBF3Au0ME/ZDR864YjKARZLnnDS7+hzwBCQZ4
HKnDRaxwGzfkVxydPNkyBI553Knpd3/3Gax+DD2vUK4MRH5Z/YdWOXQSnYxSLj/1
ksaEMLhYB0NpuvVaP8SNSzxVLXTpvwPZQhtRBbHUdA7pX37l4ENpTfX4hNKX7Ts7
V0ZCeaRp1W8cDhKEF0fPYTf1tSQrgydfI4EgLCos6993k8GbML8gIfVcrEwlCSVb
XHXDiqZJ1SLhTmvxy2mQZblaZC7YQKc2U+XaNKO3rv4cL+qa+E+BKmnQf2DersM9
cdZaTa26wgfAmiufccEXPQoEkeW7qZST/ZjjnDy9+PuLR4ziIRQWUbFx4DtC0M8c
NYH8bQtjLGDLKbKGDCedaz6h41tpSqoZQPwNvgl9OYy7HIfTPVUIZGq9Bd0E+sWS
qhZgNnFpRI8s5GqnkpUGWHZArJz6v5uVALYQH4TH/eCDZBj7jsLf8bTJTh76CnVl
w+UQtWDTsRKvavVp9pb2yMkN9VfV9F1DUUisTKWeOmYrERH5FPHf4NhcgRFMN/K6
U1x49Xfnd+g6TFCD3FjNeM0CAwEAAQ==
-----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 441440510978225282463970315159290718457624
 . . . . . . . . [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 2025-06-29 09:27:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-27 09:27:09 +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.drschroeder.info'
 . . . . . . . . [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 801222293375794633259012468928321516966316857464146726835636798277134488627498182418714823113449671202735941606477662641682152384741564274293276918899686797273798971447973822950206381671166998228110800274311115652870749796476462917054047432133950278033822813522865461396440604257685524829583886535057730460587739017976911095701212303886307473451424834276292592054501771623558235066757561392841010474693891095677388057087963795305177083340346660072552358634677551923382738341867759856701577789425163807006397930318545414507152780307378797907649732063747935134608349602958757852225669520302123571579306008629952310225492838760650005939309816201605637882925534650945428685901058377468580682704344150052591616386309356993235058217627779926644552206068413537974957583565612630443370216122352908735166702027225532748585570867473985043827518894025681442808796145227918686777168424425659623250051258143862825339148698506416529008588997793326055114178515374293594801559647617417387459308054951553933864607813155634992098934677524730837893838272396590713120050715997667452319056216885151268605855437826571611010677621746136100609411185044699750067475636677563343382575261517204742414307757439261375009421549151421668261105750392296110300166349
 . . . . . . . . . . . . . . . . . . . . [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)
							03eecf06c35139f4e12faa7603269feab3e5384e
 . . . . . . . . . . . . . . . . [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 'www.drschroeder.info'
 . . . . . . . . . . . . . . . . [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/25.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)
							00f00077007d591e12e1782a7b1c61677c5efdf8d0875c14a04e959eb9032fd90e8c2e79b800000197bb38a4ab0000040300483046022100ca2ae95c60c82e963b236122853abed970b200f4081afa590d828b1cd2a2c688022100c8558fbd61a7ac3aba5d59b9e0e80e134240ef29876c46960a1ce71b14b9cca70075000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197bb38a4ac00000403004630440220778ff8a43568151b66345c32a5b97ce07805cfee6fe1fd632b58442f011f401c0220433276f08365f136b2aa204dabf2bf1a59a052066d0a5b043a542f42417bea65
 . . . . [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)
		00275d3e8d5d409dc1e908fdbfdf9157bccfa89b5f12cd32fec54fa8da39bb1f132aecf2e9f9f862a6b7d2fcbc56351f3435e884e7fd07fe6e67bae35cedb34e329a817d94cbe8a6b3784876eb36ddd344f0bfc239463ac0e1fb61c01f25a84fc12f5d104fe8ad40a419ba57836807d2859cbfe46f8764fc2eb2168c3dd91b884e7704c3e9270e37866608ac0329665fb7ab74601fa55cdcb3821a20cf1d3c04ca23674ae669dee1146288deb2ddf29ba70138385900b9f2b9d56f567f1ab1d8003d6c05c677185d3567cff3e55ef6419fa538f5be7aa60e1bc058bd07f780f36ad5634cbcb5b5fffcdb1fe77cd839fa1a9973bf0dc496e0143453eba9bc7ebc58