cpt-couvert.at

Issued by R3

About this certificate

This digital certificate with serial number 04:3c:a2:25:51:8d:ef:89:44:bd:8b:28:ea:76:1e:a8:19:86 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=cpt-couvert.at

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:3c:a2:25:51:8d:ef:89:44:bd:8b:28:ea:76:1e:a8:19:86
Serial Number (int): 369081614446718698229429294431635908336006
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 6d:ab:4e:dd:e9:e6:64:45:66:dc:ed:8b:f5:2c:38:4d:94:31:44:8c
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 38:f6:67:0d:ab:b1:bb:b2:9b:5b:e9:ab:4b:26:ad:53:af:07:a8:27
Fingerprint (sha256): eb:41:0b:5c:10:b8:30:12:54:ec:a3:3c:97:d9:45:aa:cd:d2:88:15:ac:8b:2b:fb:57:d0:59:60:0b:23:11:bb

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

Revocation information

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

Check the revocation status for certificate cpt-couvert.at

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cpt-couvert.at

Public Key Algorithm

RSA

Key Size

2048

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

cpt-couvert.at
www.cpt-couvert.at

Other certificates including the domain name cpt-couvert.at

(limited to 100 certificates)
cpt-couvert.at
remote.cpt-couvert.at
cpt.web1.casc.at
cpt-couvert.at
cpt.web1.casc.at
cpt-couvert.at
cpt-couvert.at
cpt-couvert.at
mail.imarco.at
cpt-couvert.at
cpt.web1.casc.at
cpt-couvert.at
cpt.web1.casc.at
cpt.web1.casc.at
cpt-couvert.at
cpt-couvert.at
cpt-couvert.at
cpt-couvert.at
www.cpt-couvert.at
cpt-couvert.at
cpt-couvert.at
cpt-couvert.at
cpt-couvert.at
cpt-couvert.at

Certificate

The complete raw certificate details for cpt-couvert.at in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoJBMPk73uGJTborV9wjL
bN6zxR49L2WhI9TBD6cnuqrGTetI5Qu6yh2XNj8be/f8I+ePYzJDXlinJKRBDIdF
ZL4OmdVsSfoN6D5wTe3iOPmr5LRQBmTjJ9aZGtRkop+yWMl57DopAuhulvxdPXLK
IDmOav+nleacEBBn7D2jafgDPwTk+BmLVCROY4qP5Dammtmx1n1Zc8QZNNWWBbSQ
da6FraEb6jB/ZJyGIMlVSk85LEPoA+8YmV0eNGK7zNN/HoTXKzhEBxcDqMCV2jcO
LGVaD7I8IOEnRKSM40XPt1NBDOzi7fO6f+Z82qlG5IQTbrMnC1hADAUBtCJaCQb5
AQIDAQAB
-----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 369081614446718698229429294431635908336006
 . . . . . . . . [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 2024-01-09 06:37:46 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-08 06:37:45 +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 'cpt-couvert.at'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 20269284704464652986921547171545466512419971666453642581219114842205774193904051589062252834874147074693353863214591201328314037013868354388811255590642102456343137684174511335332381746718509354469665442579891410252447512199214647709625873191574301247811407466589112452443664517428642392937064861685221997395473377362139862573710592345696064565315297688031910954347778313201810383639015886242887935668869286404114951629886959650479486782962173970165946061585171227560358980652993227134777326147942167398466286059649507502983050567341240748351021139615202352728459487791960592749083433528153389873757629846566876936449
 . . . . . . . . . . . . . . . . . . . . [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)
							6dab4edde9e6644566dced8bf52c384d9431448c
 . . . . . . . . . . . . . . . . [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 (38 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpt-couvert.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cpt-couvert.at'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018ced27ee39000004030048304602210093947e7a42e6adfd54553fd1e7bbe23fd95db185913f9ee1ffe88e2425980050022100f4bc5edaef36c43b2c44f38877130bfbee1abc1f934499ce49e85fc4aee21e3a00760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ced27ee87000004030047304502200cf320e6014d4e84721e350a38bf38e8d62b4b697b92f3f4208f484c00d8e1a5022100be58eb740a9d31ee1b1e1164c56eb190aa6d35727d892885c089934099b8c596
 . . . . [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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