*.notanumber.ch

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:4d:7c:9c:bd:97:55:14:c4:c8:83:9b:eb:b8:e6:7d:7b:50 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=*.notanumber.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:4d:7c:9c:bd:97:55:14:c4:c8:83:9b:eb:b8:e6:7d:7b:50
Serial Number (int): 287704238163345461591355160728639094225744
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 59:21:f7:06:d3:31:ac:f7:83:a4:f6:82:ab:7c:30:01:91:3d:69:17
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 41:a7:b6:11:72:d9:f7:74:7a:b7:f8:62:9b:18:94:f5:27:23:b5:72
Fingerprint (sha256): 7d:36:fd:75:f4:31:95:fb:a2:93:4d:59:bb:4a:d6:cd:f4:3e:48:47:46:fb:d4:29:7b:60:c1:a9:66:17:db:65

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 *.notanumber.ch

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.notanumber.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

*.notanumber.ch
notanumber.ch

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*.notanumber.ch

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvsMH2E0ePueEP+Ypmxtj
MNhUflM2BJSxPtf6GeGvzUBQKpH9QEqKLU1D197G+IafnYINbPtFcMkJ56VVHcVN
v5fALY/PTECRdbIv5TyVdrEwkeZ4NkH/u28rUFP/0q9/rdnTY65bnhgHXtsnEhfo
1aPkkidHBzfn6DsF+ScmN1Nl7QaRJq2Zh5wBP+MB6E0HMBXOaRcQ/g2iRsPM79Zy
PT9WMGr5xZAxZRcG4dgqIIFgPvv0eMI3IXqWsTmXO21mx3rqIlK/CoJvgy07g8Az
Gstoi8JfTJmbsSRs5v7B88QFtfU9I1u5IrewNPPgTwfgtQoVZrKhnxAVXbaK2e4B
2wIDAQAB
-----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 287704238163345461591355160728639094225744
 . . . . . . . . [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 2019-01-05 08:11:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-05 08:11:00 +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:12|false] UTF8String '*.notanumber.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 24081451138652434722780667281682804326569778449101431941827280954066430091134876086854299458315036218813905307938027526106017838926782230219502433487922398535419159200490343578900540220655532793611207207054725955795344406216122757059558337022657460891319180309477990445954782156051015360653899440323305201313737064693700911917397627627036076237406887208144111595787224211800029679257530294383074037191237033905061935928451495842217445148090486809034461893004227631729719824221534931609680371221933014610378667641242131108428844019431086501887974344764695362361365972099377013422025946331762773790825311260475887845851
 . . . . . . . . . . . . . . . . . . . . [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)
							5921f706d331acf783a4f682ab7c3001913d6917
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.notanumber.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'notanumber.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 (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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe000001681d47a4c10000040300463044022074cecc4df14499256575356e65ce054f14c99a6e14abc6c47c6e6faf2e2305a902207e7f4ca26afe47e244a761abfa6be30991c27328d3d9601d08a869e55b9e6a12007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f478000001681d47a5160000040300473045022100eb73b6ab6d3b27d16601bc9ed069381ebc5df88a9df87c68dec97cb29835c42002200806faae765aac1a01559e8d66dd031ae252b229972eba903610b9eceb293efc
 . . . . [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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