studienseminar-gym-os.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:10:51:51:a9:c0:09:ba:c6:ce:c4:e6:1a:f9:f4:69:75:fc 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=studienseminar-gym-os.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:10:51:51:a9:c0:09:ba:c6:ce:c4:e6:1a:f9:f4:69:75:fc
Serial Number (int): 266889467152661916246033487404993423701500
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b6:82:26:ff:44:00:f8:4f:e1:7f:e1:f3:bd:81:aa:cf:52:70:13:e9
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): df:5d:6b:2a:60:94:cb:15:c7:6c:d7:7d:43:24:da:90:39:6d:fd:20
Fingerprint (sha256): ac:1c:ff:c6:4e:48:4d:61:81:f6:a6:39:fe:3a:4d:cc:64:10:c0:97:85:27:c8:5c:59:e7:ef:b3:f2:ec:12:8e

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 studienseminar-gym-os.de

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for studienseminar-gym-os.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

*.studienseminar-gym-os.de
studienseminar-gym-os.de

Other certificates including the domain name studienseminar-gym-os.de

(limited to 100 certificates)
studienseminar-gym-os.de
iserv.studienseminar-gym-os.de
iserv.studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
admins.studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de
studienseminar-gym-os.de

Certificate

The complete raw certificate details for studienseminar-gym-os.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6YEg9ngJFRuIf5gc+OOW
ARjHCG+xgWxA6z+sR38YDDJ3LwL1xcz/srly5roBr2nMJGxQIj145t6CCoTlIWsC
we9DcVzReQ8GZwsu/9BD+9J/5VC/SaHucEpifqnSbWKIDfBZqF9Eg884CccyZqy9
dZgauf45iPUbMDxnVGIFWCvFTRbpAyHZzT4REE0YHJ9E0siyP6RSg5fZQF97opWC
EAkj0Yc0Zdvl9B1/9udnDedzm57N4+KM+o11xz8zqr99S7dNMyw8yLAqet36zhvi
vOntkU8wChz4AnVoTWrSmFVnPFyfwI4P835g9P0Df3DWx53D7Eoei1OyIfNfd9vm
ZQIDAQAB
-----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 266889467152661916246033487404993423701500
 . . . . . . . . [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 2020-03-08 21:22:42 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-06-06 21:22:42 +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 'studienseminar-gym-os.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 29477200822278682793625074086522608757548384135714403273000208344319278957670323172227381411632158655468832823504552695462009010740674047606296538406841553076907351384348069946978218250162991002363549665459942411550971373559728113339699946226102196585159470021692979085558637101346644785930743999909238582810859015493835501427723027605812281838050426268167195059289001869931332547906280869150938679707284196589103037865930232324660937532523699431825044662031079198219911122676210088253642942509178077725767485910469453094452651090918641882556236595644627549099885070892751588453200323366239396613646350066093389506149
 . . . . . . . . . . . . . . . . . . . . [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)
							b68226ff4400f84fe17fe1f3bd81aacf527013e9
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.studienseminar-gym-os.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'studienseminar-gym-os.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)
							00f00076005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170bc3e45ef000004030047304502207e61d3c0b2c8d298d39d45c66d1a75fec11b94f3806eb40d5a5689cfe65411fe022100ba5c6f053cfa7870399c368480dcc82c133bd7d45d973e0a4e8cd5724f9142d5007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170bc3e45d7000004030047304502206fac5532ad1f3c9069bcfe0468456218879a01a4a3b3213d03cefdd943ecd4920221008d3422180baf6758d1a7aa4110da6b6b0a0002a597965d527ef0391cdd72c745
 . . . . [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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