m.purmail.myhomebook.de

Issued by R3

About this certificate

This digital certificate with serial number 04:63:f5:e8:79:e4:9c:57:dd:d7:f2:c0:d9:3d:fd:ce:42:cf 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=m.purmail.myhomebook.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:63:f5:e8:79:e4:9c:57:dd:d7:f2:c0:d9:3d:fd:ce:42:cf
Serial Number (int): 382463965996336347919050297433049583731407
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ec:33:90:95:81:30:db:6d:63:d8:68:09:bc:f0:1e:fe:0b:7b:b3:a2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): b2:ca:9a:5b:e3:5d:dc:b0:92:91:59:37:dc:82:71:c5:cf:1a:b6:24
Fingerprint (sha256): 0d:a4:44:9d:44:7a:12:13:ea:cb:f1:53:2c:75:ca:07:2f:6b:3e:e0:8e:cb:0f:2a:a6:15:cf:7a:a2:70:da:16

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

Revocation information

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

Check the revocation status for certificate m.purmail.myhomebook.de

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for m.purmail.myhomebook.de

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

m.purmail.myhomebook.de

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Certificate

The complete raw certificate details for m.purmail.myhomebook.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyLJr5LdbR8gsMCoRk8El
nkeX0ik4jY9XPskEUiHJWv+Fkd6yeTUvMWyI3znNf1g2grGFKz2i7E98fEfaXAmQ
fu1B967zdUFdqaP54vgC3FTDmhTWeL5KbI/JLRey0eZfuy03ysL+rgzrRR7b0cnH
EX2h+Jivj6ux4CEdSscE5HCYiM+I/WMsJ6FFbayhEF6hN3lGLcDWeFWZaUpVDHmh
q9z7xlRwyz8Eb9L3RUvls1G3Lk4CIOmqlI3I5AcrjXQX0Bte6L0Ql+ln8Y/qjr0j
9x7flcGL77qpPh97MkV2cv8LH/Dgj/W/jMd4gcrdw3BJyrE0PcPcLao0UrT1pFnD
lQIDAQAB
-----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 382463965996336347919050297433049583731407
 . . . . . . . . [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 2023-09-04 13:09:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-12-03 13:09:22 +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 'm.purmail.myhomebook.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25335643893655824006568569539050237125032402841408609414389462159585475052555044454022894102558534422961411738696145468007951513312009584894347371641269435418939564663895101990883919729598056801021513101857320356739758538469864962205985904361680289241720049454456985507299303300397059378279762613635293778992072311112754726427667706775567777340166370072050104540675368636094652786231746226313276024299488781400822060872554826461284182951322527371283489471328553567410778165287688890957860006407805842059752515148205849537579889390765140860399057531421063857733043162228865176226813869193405919165175296389686499066773
 . . . . . . . . . . . . . . . . . . . . [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)
							ec3390958130db6d63d86809bcf01efe0b7bb3a2
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.purmail.myhomebook.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018a6086d3ce000004030048304602210084cbeae83d58755a37d645b0e1a504342096f48ee392f1d2f4429870b34694b3022100a8b31178212e1d71345ee76237fc3a439e8528f8da49a03c26ae8894499934a10077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018a6086d3ea0000040300483046022100b51743cdd74d6bb82e93d01bebc5873a6db559d22a2f512c70ca56cce9ffd3da022100edf9180bb759e4ee79aa5a18272521a4545183adc9e6af761ee3acfe56b8f837
 . . . . [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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