syntropia.de

Issued by R3

About this certificate

This digital certificate with serial number 04:1a:0d:70:05:24:67:1b:ad:fd:bc:8a:89:37:61:5b:40:eb was issued on by Let's Encrypt.

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=syntropia.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:1a:0d:70:05:24:67:1b:ad:fd:bc:8a:89:37:61:5b:40:eb
Serial Number (int): 357314346872474918731016092730093351944427
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c9:23:c7:43:21:fa:58:6b:2d:17:0f:6e:ef:a9:74:14:35:f2:fd:5a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f5:7b:3b:a7:58:e9:5e:07:fb:8f:56:88:2f:b0:f1:7c:11:db:45:4a
Fingerprint (sha256): 61:01:f9:29:68:56:8e:9b:16:92:80:84:ba:7e:3f:5a:da:04:b5:6a:b9:47:0c:1d:fe:76:70:58:fb:1d:de:93

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

Revocation information

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

Check the revocation status for certificate syntropia.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for syntropia.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

syntropia.de

Other certificates including the domain name syntropia.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for syntropia.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 357314346872474918731016092730093351944427
 . . . . . . . . [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 2023-11-24 22:00:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-22 22:00:14 +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 'syntropia.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 854452721352244336291445427964774904789112031240116118448407457938444683223433517169513168148259067369713534776894427394649683420470696682519060878791029488550160374246890577519795712273913473458581802623193762542057271121501993430787170842477226821859601112092571285037070324673823055411633659598060180456318576300939245401641450282410875952167721893343850081889321131141542004879406102618704437801300519409202841864402472036576231991716126221431107920729737336820886758394989383656619793026586451594158484261705617678811617035975238731188431195352450176415727179434489032495891523074219764190773452444265793365361028199900651977967128788639023405809695384754402142912449433770621684124944454883451503419820218981948946555945898529723695945905067958905183005048657353790117435525472692215525489781677431218058458611716945909578901166947996611811705540163543062222165768584517561615842356948897476961732316660114018723377410294686407706706447973879607722511516798527279941476018783953456716975384085557444336339027078157373380008497188830130239666683850665950083135355923820850980924194767057257416012055534034450434820205314377271889661781776527220041932035781866637451060099234062998334726298979065242841775057688191140538441226461
 . . . . . . . . . . . . . . . . . . . . [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)
							c923c74321fa586b2d170f6eefa9741435f2fd5a
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'syntropia.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c038ff743000004030047304502210095ec3578ac4e6c9d0ad8a942ffc205aea7efd76d11428fa6d769684a1c305e600220102ad083241e5a4972693dfbad2ee66e72972e8388b0f269c8d9c1a0be0af791007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c038ff7ae000004030046304402205c88f404252419a76e385ce744ab82e1a3d95ffa205efdc495688c6e9e779648022069cfaa3539b849225ce48f9cfd16221b965f43acaeac9f40565a1fab3fa14a99
 . . . . [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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