notanumber.ch

Issued by R3

About this certificate

This digital certificate with serial number 03:a6:7f:2a:90:b9:a4:f6:9f:49:bb:37:d3:18:00:86:fd:ef was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=notanumber.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:a6:7f:2a:90:b9:a4:f6:9f:49:bb:37:d3:18:00:86:fd:ef
Serial Number (int): 317992763671464514333969207988993837694447
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 78:3f:3b:15:95:a2:eb:a4:27:ba:66:a7:9b:ef:a8:96:a2:e6:12:91
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d3:67:b5:f9:ae:df:dc:79:ef:0b:0e:d6:ec:92:1b:e8:08:f0:69:89
Fingerprint (sha256): 48:1d:bb:dc:22:02:2b:7e:a9:ab:64:1c:19:f2:89:a7:54:cc:6d:57:d9:89:71:50:fa:c8:0e:bb:67:46:33:20

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

Revocation information

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

4096

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
www.notanumber.ch

Other certificates including the domain name notanumber.ch

(limited to 100 certificates)
impressia.hu
*.notanumber.ch
www.missiondmatuf.com
bucket-combine-test.bce.dev
*.notanumber.ch
*.notanumber.ch
*.notanumber.ch
notanumber.ch
*.notanumber.ch
shahnatapp.com
www.grupogla.com
*.notanumber.ch
notanumber.ch
*.notanumber.ch
www.johannahaerens.be
*.notanumber.ch
*.notanumber.ch
*.notanumber.ch
www.awsbootstrap.io
freddywerx.com
*.notanumber.ch
platpro.com
*.notanumber.ch
auth.google.propagadordapalavra.com
notanumber.ch
tagpad.matsuchiyo.com
mernaadmin.estore.business
download.digitalshowroom.app
m-asyncinterviewinternal.ur-nl.com
*.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-----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-----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 317992763671464514333969207988993837694447
 . . . . . . . . [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 2024-04-14 02:59:24 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-13 02:59:23 +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 '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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 826711437959213692231233704009114567894716685868531296263191136805326936206926949395182848532936770388572223793079664417538816456738806069567507513738945191204312503596239779353746618390240588934814186805038821078368559259529866796178442743832938179197161040603813095244499826708091349949599232715913878351429645995463963450038624906984424521493457018775757072373943807054359856535968703497195142828105547619592186761624454402736128759743061339887513324505427564276912174610204781568702677159638131311097467598339991018551673848792489659542511042922492227113938234997534117523749413662303511377872426770701928341386573134884842143684979517188110488856732603577151734261400991693900424973606841878190749659471847736635855665977463436250943088672900931465891946190950536019120238610196781502841879367293995115679752155737340323104799011724645950583283634160801774260150462850644663536856460760981024723581196874385015915479811532374036464218133043462515716564532421068066679122524526835451688774507555733014824310552173372059832303641013107118963729163455092487657578194334230503538371661253747310683854191617801211020176871863416285602424213051947657117632873777701386719294174248313193378578315154099233721237280009980742986610091729
 . . . . . . . . . . . . . . . . . . . . [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)
							783f3b1595a2eba427ba66a79befa896a2e61291
 . . . . . . . . . . . . . . . . [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 'notanumber.ch'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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 (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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018edac2830b0000040300463044022018e9e83040a22820d1f22a888c3671dff8d7d15ccc513930053ef2236049125d02204e9d8639e5e06b2cc0c66f23909c46de89a23bbacc6ecfd02f2d4802b3242844007500dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018edac283ca00000403004630440220150d2090185f40835357c9dd2b1083b639362ad66359ca61852fab0ce84c42b002205831367bf9781e7ac5320b4340d77034bce45083b0fceef068877758a760c97c
 . . . . [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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