bluescreen.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:3f:ed:63:50:91:97:31:f0:08:d4:bb:58:56:f9:a4:aa:48 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): 03:3f:ed:63:50:91:97:31:f0:08:d4:bb:58:56:f9:a4:aa:48
Serial Number (int): 283090189617817527611958731441465188461128
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 65:9f:f6:86:8a:ec:23:ba:5c:6d:e2:09:d7:3c:ed:27:83:0a:53:98
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 11:ff:64:68:5f:91:ce:60:45:8b:96:a1:d4:dd:80:02:9b:52:18:4d
Fingerprint (sha256): 78:e8:26:03:0c:d3:54:1f:41:dd:04:f2:c0:83:8a:09:88:ff:eb:56:fc:6d:fb:47:65:e2:7e:d6:2e:9e:b8:15

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvZF2jFhgGly3ePPkMicd
KHHGuapaKmlV59ti0iAmwBeapfwOiB+5ArGwS5tCz9FnMzltih3tl2IJi19ka1S0
Q5xWEb9jjt4EGVviOhoki98yzmrXoU89e++u62uFwPIzCiqqROfoMK1N9bm3DScc
OBIe1XfK3WwPNSzHRCJvJQlY70IpDhbgW3FIuN9uzrfBI6deyAvAbnItaDRrM6fI
xaIa+JvUNEwhYMRZGEE+kCc9PKkaogsk/mXUqV12q3yvMrYqY2WSzce6S88UFMdt
f5mBhHMmv/6Hvgy1RQrwr0vImgtRZILISYyDT5om+d0WjpN0yfcyDQIYSip6d4Lh
sQIDAQAB
-----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 283090189617817527611958731441465188461128
 . . . . . . . . [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 2023-10-23 10:36:52 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-21 10:36:51 +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 23930770156272025382180969947759491098919066165630596050658661798618918425627750567437617090090947091253198281466359315325224983091493430336906868181036565294031344636419846850626182884719519346630295314118074273578133716512683402685586275581009469408197628266675930540114424320332723709779928695796083665145896018876286595585602838810314733340321953742506978998306988155792714317424289753104755926666353936548129595208955021867552470241906551720216451719507144523255783456082103992543207759133386927500299015657031860483375179552748375452944446562947645554285299641479871894082714063846372827032175580574650139337137
 . . . . . . . . . . . . . . . . . . . . [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)
							659ff6868aec23ba5c6de209d73ced27830a5398
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b5c52cda800000403004830460221009211574ae8b88228c735e22b23d348043fa2ed63a07fc1f6a2adfc009e52d53f022100e469265598d111a7246aa257ce03b28d285d5ba5000ad861f4e95365f7bf62c4007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018b5c52cd98000004030046304402206b0b016fbf7337eac205f944c57a009827e17121397174595f4580dd61707d6002201a3f04129aaf2ed7873d84c77d5387cf83c21e36e32a027ecc5a1d63d8cf1dab
 . . . . [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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