mittelstand.hamburg

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1b:9c:2c:dd:ac:84:f9:ae:13:4e:cc:fb:af:92:af:e3:d8 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=mittelstand.hamburg

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1b:9c:2c:dd:ac:84:f9:ae:13:4e:cc:fb:af:92:af:e3:d8
Serial Number (int): 270732074226631221087317527848346669016024
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 25:c4:f8:6d:85:ac:cc:dd:25:1c:f8:9b:b6:83:fb:32:ce:38:de:28
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9a:be:5c:ea:29:75:bf:1f:f3:61:ce:44:d9:f5:6f:45:8c:9d:76:56
Fingerprint (sha256): c9:d0:e5:f4:99:60:bd:a2:fe:84:94:ea:c6:71:1e:63:e6:36:0c:48:5d:99:68:c9:d7:94:62:4c:54:89:54:6a

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate mittelstand.hamburg

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mittelstand.hamburg

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

mittelstand.hamburg
www.mittelstand.hamburg

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Certificate

The complete raw certificate details for mittelstand.hamburg in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjx382pmNkjkKoRumVdFo
QYwiFED//ck8zKsXptc9gweOTZYkCHiItdvMBnox3eg5/NHt1hH5To6PlKSl5yJl
9sSUO2df8WpDoYGr8Oni0yU+MV5TWBzNXdnicAHZ0l3NOCCetxA5UuDcPpJLNGTF
E+BZCZ56ZxB52DVXNOVhPZ0AYQ7cxRy+jkNaLff+R5db4KXZHVTbWhs9YsKIxAG3
s1W7fJZoNhtTSUdYShrIQFSDtX2fX80X1ACdX8zPFxqE+x0wtJguGa5Sw3njeZbC
5Qu4pvFYYy/i7HBrO8/aGqabussYyUnd/5NoNHUK+/2E3MXcrCmkqncsgQYGoAIM
NQIDAQAB
-----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 270732074226631221087317527848346669016024
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-01 10:28:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-07-30 10:28:59 +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 'mittelstand.hamburg'
 . . . . . . . . [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 18066865101365049921714896089045954665740222860001069863862820089660456758071237086494814609723259419731862055996580093697004876591743461346140164546755396234226463149288137492129131435563074872869542446035117928004687284584883208426190135636574943306005875119885840973947822102571955062533918272443563841002687477223679442909981845287720829547402367673865044798025497935952093777931542494660895504540833103204310484572142310692287905085932337263364029899191988342997582935144529377669579890513495032434873096047186691331152440714300731093710955356989422196095626141649820817718260500936508847855510774392561609083957
 . . . . . . . . . . . . . . . . . . . . [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)
							25c4f86d85acccdd251cf89bb683fb32ce38de28
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mittelstand.hamburg'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.mittelstand.hamburg'
 . . . . . . . . . . . . . . . . [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)
							00f0007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016a7327a5fa0000040300483046022100bb7446785963369718a71f10ec5382623a56dfed0c5863899379b404c14c6229022100ce4af36772bdc0cdc821eec55574743c4c1b72087e64c998ec0f7d3aeeb5192b007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016a7327a814000004030046304402207927396a755dcf9a9419c6d26e6d464ab2d56197011f5813a3d2344c772027c402202b87a90b184f647cdde1f15bdc1c752ffdca6a107273e8c3f29549dcc3e40705
 . . . . [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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