biosphaere-potsdam.de

Issued by R3

About this certificate

This digital certificate with serial number 04:94:e4:05:f2:82:dc:7b:b6:9d:ca:11:27:66:c4:8c:47:2c was issued on by Let's Encrypt.

With 9 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=biosphaere-potsdam.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:94:e4:05:f2:82:dc:7b:b6:9d:ca:11:27:66:c4:8c:47:2c
Serial Number (int): 399114028894574154145211764733401805637420
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5b:ff:a1:12:0e:21:91:ef:93:d7:fd:10:fc:0d:d9:70:bd:29:21:e5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 83:fd:ca:2f:ff:0b:71:29:95:09:78:13:35:ed:42:81:23:20:21:b2
Fingerprint (sha256): 5f:3d:d8:bb:cd:be:02:7b:61:ca:62:d5:a6:f0:97:f7:69:aa:6b:5e:ac:49:af:57:7a:28:92:68:9f:c3:21:d7

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

Revocation information

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

Check the revocation status for certificate biosphaere-potsdam.de

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for biosphaere-potsdam.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

biosphaere-potsdam.de
biosphaere.web.mageprofis.de
event.biosphaere.web.mageprofis.de
eventlocation-potsdam.de
naturerlebnis-potsdam.de
tickets.biosphaere-potsdam.de
www.biosphaere-potsdam.de
www.eventlocation-potsdam.de
www.naturerlebnis-potsdam.de

Other certificates including the domain name biosphaere-potsdam.de

(limited to 100 certificates)
biosphaere-potsdam.de
biosphaere-potsdam.de
www.biosphaere-potsdam.de
biosphaere-potsdam.de
biosphaere-potsdam.de
www.biosphaere-potsdam.de
www.biosphaere-potsdam.de
www.biosphaere-potsdam.de
biosphaere-potsdam.de
biosphaere-potsdam.de
biosphaere-potsdam.de
biosphaere-potsdam.de
www.biosphaere-potsdam.de
biosphaere-potsdam.de
biosphaere-potsdam.de
biosphaere-potsdam.de
biosphaere-potsdam.de
biosphaere-potsdam.de

Certificate

The complete raw certificate details for biosphaere-potsdam.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAzH71BiC3ER6PsqY8b9+T
v93PcOT+WT70ydXMzy9jGRQRCIig2xj2NnJ3O4cfRg3vpRsDLdEjyifJfAy6hJ2i
LRyvO3m44O17lT/WMxHlrPMXzzb+VTleUysRAr/JPrzL8IX4Zas3oAjEh3WMTQE0
JcnmhN1GMoq4rbq+PZKRSBlueRoF87BsO+puIuwx6CM6wg6/XvICWQ2fqN0zNchN
btfNft1HfIwr7ZcYVSWCFIDCdZGTVWcK4f9LAb5UCpSdNtNzYwg5mhMJvvmFmiMA
yhdBuFP0czqszC2YHjrvJZO5R/WLSOnixQOgW4qcz+P8wLeXbcLPuT6h7ggDI367
EQIDAQAB
-----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 399114028894574154145211764733401805637420
 . . . . . . . . [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 2023-10-24 23:30:49 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-22 23:30:48 +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 'biosphaere-potsdam.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 25815219104607779738850355063192254558264711830959169943991657396702864481899548276056095078351747330263616352927124822913116315447922580228006676883012931676220361859968901674554973188889570551735836537290646625128320601665529349528991242707878178653876865461018137892162545636564391958055480612724908683643767864609490230751279325540282517239214211562378300803638595280291830561440110033219612228916920180010634362818893196411014151400206626059824325377265562986839553799711002029592951373393425458185321823352211908322251476932466340953275029114880673601056466053694301651222812483477022846859073492319770945436433
 . . . . . . . . . . . . . . . . . . . . [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)
							5bffa1120e2191ef93d7fd10fc0dd970bd2921e5
 . . . . . . . . . . . . . . . . [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 (263 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'biosphaere-potsdam.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'biosphaere.web.mageprofis.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'event.biosphaere.web.mageprofis.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'eventlocation-potsdam.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'naturerlebnis-potsdam.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tickets.biosphaere-potsdam.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.biosphaere-potsdam.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.eventlocation-potsdam.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.naturerlebnis-potsdam.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)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b643dbd8c000004030047304502204ec3f1943a8e9424dc26f7e7e9382c37605bcad99e0edfdb76433d8c97eac2c502210086135b76970cb5834189addcf529fd4790f1027768fe7215ce89677a8a003d84007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b643dbd8d00000403004630440220517315926df55268b712aa9ece1749d5718b458981f0e778aa2000421e4adf710220441a9e9ba7a93a0d4a4d65f3eff9fbcda39e0630a8c6fca9aea4a046c088047c
 . . . . [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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