sis-schwerin.de

Issued by R3

About this certificate

This digital certificate with serial number 03:5e:53:0b:40:4b:dc:90:9b:82:3e:71:ee:ec:fb:4a:bb:d7 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=sis-schwerin.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5e:53:0b:40:4b:dc:90:9b:82:3e:71:ee:ec:fb:4a:bb:d7
Serial Number (int): 293433784628849135750108675516089141738455
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ff:06:92:50:70:b8:02:f8:8c:c4:12:34:d6:81:e0:f8:d9:5a:50:53
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c6:92:a5:1d:00:28:30:2f:12:d7:28:12:d8:7c:fe:68:b2:34:98:06
Fingerprint (sha256): 62:c3:af:a7:a5:7c:bc:20:f2:f6:5c:46:b9:f5:52:f7:3a:92:35:3f:80:26:c8:26:d1:fa:7d:f6:bc:71:50:7d

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate sis-schwerin.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for sis-schwerin.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

sis-schwerin.de
www.sis-schwerin.de

Other certificates including the domain name sis-schwerin.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for sis-schwerin.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 293433784628849135750108675516089141738455
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 (countryName)
 . . . . . . . . . . . . . . . . . . . . [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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-22 08:19:34 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-20 08:19:33 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'sis-schwerin.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 (rsaEncryption)
 . . . . . . . . . . . . . . . . [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 657348406392935559742847557668322685038772206088128712423926991003382983110342629076258602810082718584281670826992217959542526731312315553686389907222425288252093510931187262813553059808606085703414087357306845127745515616171313291528086091486912791081006305497541089342744497681353767070259913827483403568143344059698577648955866010073737428933445447647894261947681135540150829030545188712974628702619956761862217061139322222808076617242502004033698134074995941764985368228817487104043740506941763491823911295702403322954378682552139649789092011209343161553755868875661822076234138825526422927659559104112649288299436557270510306654119304202457013541446473028598369946529724385158627208768628942051124232377757636093433672234644464489860901098914945155688127140574156925733982261501193234227720636135761722107865046036636682953488684929757253212719961265672722365237678096541161361078522223305321662891387808290911125706008457813145471432681332259666029387576250655943327612527012845823482366438931519485825094863408740439397290729144697987496228352699544555044026550361920378387967151379904050963356385711594868963443548386169216355123801942078502837413126928767864770714078568130962373683366621241193010353409765897735306042967143
 . . . . . . . . . . . . . . . . . . . . [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 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							ff06925070b802f88cc41234d681e0f8d95a5053
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sis-schwerin.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sis-schwerin.de'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [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)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bf653e2d8000004030046304402207eaf76e7fe4f2b232cacee935beff862fd77df4b0d1671051cb9e9c21a34bac902207d4b3a0a25b08fc34287a9a49a4702534aab935fb440d9da0b8d21e7c6b82e30007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bf653e2e40000040300483046022100a7311d82603aa6473bd2d65a4cdd7fc321a4003632c9177272a945dff2b61baa02210094cd575961abf0b5aa53f38b80e1a4ec8a358d6cc818ada55ae5254a77260be0
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		00b21e839159bcefa577b2598b4b0f743decd6394b70f57e5d7be80301d937a848fb942aef4cba3ab72d74bb4ca1f8a98645665f9fb64287ec2b41cf1cda773ccca50a7590ca5bcc2a821f3b16319f403369a185c91d67c33f76f7facf1803604e37f258b5033d76f9ede41021016340baf4e50710063e18d44cdaf91fac08faa27feab87b14e9f09046e6634a090432ce85984d83ce5baf23a69cf7338c1c58736352c427760b0df7a0db9f1d723d7290de02890dd8235b4f2bec6ef85f842e37a8a39adeb27cf4738c677471e41a1946e188002540ef332888c52bab04aa18c9ad6b6bf716702ab5e54c445ec6781aa8ac7e30deb413612304decfb9f7134246