helswingi.fi

Issued by R3

About this certificate

This digital certificate with serial number 04:cc:fa:e8:97:10:3f:ee:7d:0f:c7:bb:fb:47:53:78:ea:a0 was issued on by Let's Encrypt.

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=helswingi.fi

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:cc:fa:e8:97:10:3f:ee:7d:0f:c7:bb:fb:47:53:78:ea:a0
Serial Number (int): 418200261254661128803440969098163966765728
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9c:76:49:a6:e7:44:3a:83:73:2e:89:20:57:1d:e5:8b:bb:25:08:2a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 34:8c:29:1f:a7:3a:81:26:e1:5f:9f:14:f7:ab:a1:28:77:ec:db:55
Fingerprint (sha256): ea:9b:0b:8e:bb:1c:fd:75:0b:fe:c0:0b:c9:8e:7e:b8:46:56:f4:0b:c6:29:76:95:9d:bd:ce:10:84:c0:41:33

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

Revocation information

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

Check the revocation status for certificate helswingi.fi

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for helswingi.fi

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

helswingi.fi

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Certificate

The complete raw certificate details for helswingi.fi in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy53SWFACC791kVl2gRg8
hhpzUzDO7qgbxxIFyEinMAM3+t9a/MulB609oR7c//JAeIPObwIECIVCugLmtCqu
5fj+u30RXFemgDCVH6I9hVDKkOYOx9dIEbzzyH5233lXiyUHYnEbGI1RR/7cY2v6
wvjRUxhfOhb9GOt5R+3kyoBapAXwmBIXjQFVnxFPcQKq7CUuPrfli2nJEk1HXjX8
+R+THAobFNaAk6W87Rd31ymwtfXnzqBgVdfkAi7q6iGiVKSrct7QniTCDd+3/P+M
Sxg6p9HFufGfx9dD9+SUVdfkc2HY5dpLj4WLFLADTowvAYjceLIbU4ml6PcAXip6
JQIDAQAB
-----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 418200261254661128803440969098163966765728
 . . . . . . . . [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 2023-11-16 18:25:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-14 18:25:25 +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 'helswingi.fi'
 . . . . . . . . [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 25704200669245320852419105015301618022651739614699365085189681174294404655871029790659375599759116209248607946547858603981541278208670152509735485943311871081797103045791372792896459131169458946476613983471024335432999804569169764836814212315893332687682585197034841815829664798299860991054983825224659061697113266725117323143203210128015253148296941322061276920323452005856207947077188141431994582577993258903482520104962152749307468207419649139072301293135687709379817480715915943135543625411787257160204317161091804833000747551341557122160211383102429966168946784480924793274371779264624992153361223927577033996837
 . . . . . . . . . . . . . . . . . . . . [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)
							9c7649a6e7443a83732e8920571de58bbb25082a
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'helswingi.fi'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018bd9986bd30000040300473045022100bfcac90765219897e53ca38e3f01a1663c8b4e850bc6e0227490ba457473d95002202180657de16034fab0f69fa2791f9f7d28e7b215e4cf4d5d3a4403744fb0816c00770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bd9986c0e0000040300483046022100ffa1c157dd3f15416e9dabf2e9365d39fd8e1ca4a67095c85b0fe9ac4085672702210084b336b7e8d8a1040984a43167a29da09f01b60f2d38adaa41ded2b10dfd8811
 . . . . [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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