bluescreen.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:8a:fb:cd:9d:38:6e:04:da:83:de:a8:ec:36:2a:0a:91:6e 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=bluescreen.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:8a:fb:cd:9d:38:6e:04:da:83:de:a8:ec:36:2a:0a:91:6e
Serial Number (int): 308630528266977395514383245610721687015790
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 6d:7e:b4:7b:3b:14:c5:de:c1:1a:b0:90:70:3e:87:da:0e:a1:4a:f0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c9:78:25:c3:75:5d:70:30:00:bd:c1:08:25:2e:98:8b:d3:23:51:8a
Fingerprint (sha256): 59:ad:1c:de:4b:e8:ed:b6:e7:ef:a0:f3:1a:d0:dd:ef:e1:1f:ab:84:eb:1a:36:c9:65:47:fe:fd:24:1f:bc:d7

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

Revocation information

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

Check the revocation status for certificate bluescreen.ch

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for bluescreen.ch

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

bluescreen.ch
www.bluescreen.ch

Other certificates including the domain name bluescreen.ch

(limited to 100 certificates)
bluescreen.ch
dev.ia.co.at
bluescreen.ch
remote.bluescreen.ch
bluescreen.ch
bluescreen.ch
dev.ia.co.at
dev.ia.co.at
bluescreen.ch
www.bluescreen.ch
dev.ia.co.at
bluescreen.ch
www.bluescreen.ch
dev.ia.co.at
www.bluescreen.ch
dev.ia.co.at
dev.ia.co.at
remote.bluescreen.ch
www.bluescreen.ch
www.bluescreen.ch
dev.bluescreen.ch
dev.ia.co.at
dev.ia.co.at
dev.ia.co.at
www.bluescreen.ch
dev.ia.co.at
bluescreen.ch
www.bluescreen.ch
dev.ia.co.at
dev.ia.co.at
bluescreen.ch
dev.bluescreen.ch
dev.ia.co.at
dev.ia.co.at
bluescreen.ch
www.bluescreen.ch
www.bluescreen.ch
www.bluescreen.ch
dev.ia.co.at
dev.ia.co.at
dev.ia.co.at
dev.ia.co.at
dev.ia.co.at
dev.ia.co.at
dev.ia.co.at
dev.ia.co.at
www.bluescreen.ch
dev.ia.co.at
dev.ia.co.at
bluescreen.ch
dev.ia.co.at
dev.ia.co.at
remote.bluescreen.ch
dev.ia.co.at
dev.ia.co.at
dev.bluescreen.ch
dev.ia.co.at
bluescreen.ch
dev.bluescreen.ch
dev.bluescreen.ch
dev.ia.co.at
bluescreen.ch
bluescreen.ch
bluescreen.ch
www.bluescreen.ch
dev.ia.co.at
www.bluescreen.ch
dev.ia.co.at
bluescreen.ch
dev.ia.co.at
dev.bluescreen.ch
dev.ia.co.at
remote.bluescreen.ch
bluescreen.ch
dev.ia.co.at
dev.ia.co.at
www.bluescreen.ch
bluescreen.ch
dev.ia.co.at

Certificate

The complete raw certificate details for bluescreen.ch in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw7pis0OD4Sac4w1X891j
bEv0qHSzaro+mQbWKR5PMYyuEo+PH9//b+qfKcPWtG44pHSE1d1yYeur3i2EHa5L
rGSGVehS+F4JEZvsbYn0yBQgy4vF9641kwy4Qoncmft9pD99wZGe8H3srNiSGW44
FFjUIgWqIaDYHYO/VOhxSUXVdfkfrdZTR+1GbQIMMIzuSW69I7FHLPcD+TM7Obvz
Qb16Bh/NmaNqHkNT4SLnBAw9gvR5PASnNpXbg30iwU8C8R7Z6KJijiZ2iQbJQIGr
nf91Xarrmv4ZX9xJKE8nPzeF/bmqpSSvvsS6Dbx+lUpFUkeBpHowfKnbILErH8wY
SwIDAQAB
-----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 308630528266977395514383245610721687015790
 . . . . . . . . [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 2023-12-22 10:36:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-21 10:36:31 +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 'bluescreen.ch'
 . . . . . . . . [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 24708379607562811956835237258858424222890036475887819546287113604067893214392224515484196145956646528182168420172958449411991958412668796620900738921505253844878832545551330705697997701078763166549163108332138835721611771348243796860254171338294355904160909949888107003900118802308396524486724729220052675837572013216537158440904323050901459574249012458491655284459652691086302088588877623506100050985994827482096619517985466002247136506573375296110100789707201240568390173598423746587291962862224994458717759651163786147265744889360573902938045824440573756465231098295096287778977506282926878380213364644022760249419
 . . . . . . . . . . . . . . . . . . . . [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)
							6d7eb47b3b14c5dec11ab090703e87da0ea14af0
 . . . . . . . . . . . . . . . . [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 (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'bluescreen.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.bluescreen.ch'
 . . . . . . . . . . . . . . . . [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)
							00ef007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018c91501033000004030047304502201c112a14a31867c35e145bab7bf26ac4f83bcbf7bb449cc7e46d2716d44bc0f7022100998a9eabf0d1be6dde3d4d4ae2bddc1e13df06bd185d657a1ec4b4fce7b1c2b2007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c9150102b0000040300463044022015143e16fd758e6ee135772381c6f045eae69afb76664cea5c59c4e47f97ad8302203f04da6353bc3b589b28b82b9d6a938657bf3a8e17a78dfd44f9bf658d735093
 . . . . [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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