sis-schwerin.de

Issued by R3

About this certificate

This digital certificate with serial number 03:75:4e:b4:32:3b:37:a8:34:6a:7d:6f:6f:9d:8a:6c:83:af 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

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): 03:75:4e:b4:32:3b:37:a8:34:6a:7d:6f:6f:9d:8a:6c:83:af
Serial Number (int): 301254510140948466665676596915753206973359
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ce:33:0f:aa:8c:e4:19:28:a4:b8:f7:f4:1e:b2:c9:72:02:81:a0:5a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7a:25:cb:ac:21:a4:dd:f0:9d:b5:1f:0c:9e:dd:a3:07:ee:ed:49:8c
Fingerprint (sha256): cc:7d:d1:51:be:96:f3:ed:27:4d:53:46:7a:87:13:e6:03:43:af:63:d2:e4:1a:63:e5:cd:2d:92:25:dc:28:8c

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 301254510140948466665676596915753206973359
 . . . . . . . . [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 2023-01-26 09:17:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-04-26 09:17:23 +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 949751572822792112992419295135963713408246196635003994203706732399001657439477882936511355754864126922069730025656330703624443722548811622248758418174528262923528296540286883762571973707262006083043251189260922926708337983046075124819793911748363867864486404245515664161986292336886718446528982423503020215454171793330026607676560619662542497549164463782416175980821272766059584953763836820919647843296062200674249021160041833114477610659376817122586207771426868836514353584060874549743018955678521545810726677180795013066345680123517591218214331899811105804029499230803100437809098847385737101304664447517303872062058023904314242657805971895473307670892301817605347310732309028080075753780711678489717367506858470760557589172263914963105414429998651901523987692612106297597684550377181782615451459272198079750420005908120016313207430007762149820504243036140192633371076612250484896366887597498982179101597632803822575877652968402763498279072377779614237634656608510961043220800246371275714419473616975305712213637834119385137171025498802706156216875115864342275699279903523542032563555245696494559912323488836595414502108953202850865673140030859720280967642949614918588684922909063717153013082786307294331803471808807632701787109229
 . . . . . . . . . . . . . . . . . . . . [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)
							ce330faa8ce41928a4b8f7f41eb2c9720281a05a
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00f00075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000185ed9504380000040300463044022056c6844d988526bd69e103fa17302fa917ca81d988d5f923a4caa1b39f705280022044b89d689111863d049b3c2ffc85c74517199124c972603981f6ebcde5a614e6007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000185ed95042b000004030048304602210092997dddb6e7d9eb02ad9d707de9858ce2bd6720d44863b87f264c08d57723f3022100c8dca29f04099c6fe06ae7390c430b94e7a00ef42d0de63c68c7b45834d88cad
 . . . . [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)
		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