www.nature.ch

Issued by R3

About this certificate

This digital certificate with serial number 04:40:3e:5c:a7:1b:80:c1:e0:5e:1d:ed:78:56:5d:a4:30:2e 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=www.nature.ch

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:40:3e:5c:a7:1b:80:c1:e0:5e:1d:ed:78:56:5d:a4:30:2e
Serial Number (int): 370310108426372110897614092053445764984878
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 81:3b:58:26:4f:c4:c5:f3:8b:a0:7a:48:ff:da:09:bb:a4:9a:1c:fe
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 34:46:95:6a:78:bf:97:61:28:60:db:19:ea:55:76:70:e1:dd:1f:12
Fingerprint (sha256): 43:a0:bc:fa:6a:b9:1d:e2:bf:3a:92:28:e8:27:5a:c0:bb:d5:9d:8a:d4:4e:33:1a:26:66:5d:9d:bd:95:39:3e

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

Revocation information

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

Check the revocation status for certificate www.nature.ch

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.nature.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

www.nature.ch

Other certificates including the domain name nature.ch

(limited to 100 certificates)
nature.ch
nature.ch
nature.ch
vd.nature.ch
www.nature.ch
nature.ch
www.nature.ch
nature.ch
immo.nature.ch
nature.ch
nature.ch
nature.ch
nature.ch
nature.ch
nature.ch
nature.ch
nature.ch

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFIDCCBAigAwIBAgISBEA+XKcbgMHgXh3teFZdpDAuMA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yMzAyMTcwNDM1MjJaFw0yMzA1MTgwNDM1MjFaMBgxFjAUBgNVBAMT
DXd3dy5uYXR1cmUuY2gwggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQC4
Oh6qeRQiySvUPEL4oC4O8dGtjWZKGbCPIgQ5i6BsqLIh3lPQx63D/Gcg7RNKM8mf
3rPyW28/FKEREuDVFmaH5fnEEAhfiOdAK8R+qC6GZ9n9xEfrKL791OMRCMrekRdv
bC0NJs4mci0D79dvW55ZV2UCM4OscpvruEEB7ZdINosUQhixsuys8zQO0dXvzfW7
YEM/2HzAPGZn4lqSTRjEu8C8n2RBDqYB/z/s19V+PGDVT3+BpGguyiv4KbhAIain
tjJ9X4kO3b6WNb8FVzxB/vbiKC+evDKvYI8Sq5NlsnooFG+fUKoEU3cD4yOBOtId
eNqxqW2fgt8ITaWGVBg9AgMBAAGjggJIMIICRDAOBgNVHQ8BAf8EBAMCBaAwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYDVR0O
BBYEFIE7WCZPxMXzi6B6SP/aCbukmhz+MB8GA1UdIwQYMBaAFBQusxe3WFbLrlAJ
QOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDovL3Iz
Lm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMuaS5sZW5jci5vcmcv
MBgGA1UdEQQRMA+CDXd3dy5uYXR1cmUuY2gwTAYDVR0gBEUwQzAIBgZngQwBAgEw
NwYLKwYBBAGC3xMBAQEwKDAmBggrBgEFBQcCARYaaHR0cDovL2Nwcy5sZXRzZW5j
cnlwdC5vcmcwggEEBgorBgEEAdZ5AgQCBIH1BIHyAPAAdQC3Pvsk35xNunXyOcW6
WPRsXfxCz3qfNcSeHQmBJe20mQAAAYZd3rfBAAAEAwBGMEQCIA3q7wlX4GMyADzm
QlCepaZ57fIXJI1N9uKEJC3PiYTdAiByNNBC+nqU7Sl38vuUsi7UIVI/kpRsm8kO
A4NxGx0wCAB3AHoyjFTYty22IOo44FIe6YQWcDIThU070ivBOlejUutSAAABhl3e
t9MAAAQDAEgwRgIhAPYWSFed/HAmHrFph3PAV55rD5+FgLOQ6mg2LZi0XR4KAiEA
gPYuL6Pqx9hL6TMx40SUcQnri0sFp/pArRLDwsxIznkwDQYJKoZIhvcNAQELBQAD
ggEBAELSLNJZoa61SXQlo2i79slcr2PK9iFGbJGfvuH7RiaNNs4tIfv4F1tBrDuJ
QCYzNp+knMJFL/GYBknBjUwLLuNYzyN23eLb+Tapc6j8qU8R2TaLYx3Jg4vspe6i
HvClefrInwl2aLZoM6ltomuYyun0ffqfg1gz6uTt92wbiKe12zg/qC0wDhJOdru3
BfeSF3uGeEetaZRLp8Xur4UT77LyIvKfoCZ7jYurjzP58KCbXWcezZM1Rn+jEs7h
ba1txRUcS47/Hcm2l3dfU0dthWMj8ypv1fp6KNebDgiNOwqjxH2FIE/XohEtgy+8
1MeFHQwqjfx8/tojnj0obAylqss=
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuDoeqnkUIskr1DxC+KAu
DvHRrY1mShmwjyIEOYugbKiyId5T0Metw/xnIO0TSjPJn96z8ltvPxShERLg1RZm
h+X5xBAIX4jnQCvEfqguhmfZ/cRH6yi+/dTjEQjK3pEXb2wtDSbOJnItA+/Xb1ue
WVdlAjODrHKb67hBAe2XSDaLFEIYsbLsrPM0DtHV7831u2BDP9h8wDxmZ+Jakk0Y
xLvAvJ9kQQ6mAf8/7NfVfjxg1U9/gaRoLsor+Cm4QCGop7YyfV+JDt2+ljW/BVc8
Qf724igvnrwyr2CPEquTZbJ6KBRvn1CqBFN3A+MjgTrSHXjasaltn4LfCE2lhlQY
PQIDAQAB
-----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 370310108426372110897614092053445764984878
 . . . . . . . . [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 2023-02-17 04:35:22 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-05-18 04:35:21 +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 'www.nature.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 23256508049738618370545344147364819333746669425641965021961576155866742371120195194959526217889948398787897516001068127931786795650081187374551277798561973404541890608095464574403176090535942403462346885635994624888811596437137936415688346064031321544716615729067376881521116685356173043334416199275047836799293017560678029272621882228186212619258619938316017943299276917400334256961041338636214968061165374986194875319618540523761841072422048460137361700728633835820885583369654134084580216574705856807023715015433496737515816810831618239047634056908958739098325604527919585561430894927735185393730229321250014238781
 . . . . . . . . . . . . . . . . . . . . [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)
							813b58264fc4c5f38ba07a48ffda09bba49a1cfe
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.nature.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb499000001865ddeb7c1000004030046304402200deaef0957e06332003ce642509ea5a679edf217248d4df6e284242dcf8984dd02207234d042fa7a94ed2977f2fb94b22ed421523f92946c9bc90e0383711b1d30080077007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb52000001865ddeb7d30000040300483046022100f61648579dfc70261eb1698773c0579e6b0f9f8580b390ea68362d98b45d1e0a02210080f62e2fa3eac7d84be93331e344947109eb8b4b05a7fa40ad12c3c2cc48ce79
 . . . . [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)
		0042d22cd259a1aeb5497425a368bbf6c95caf63caf621466c919fbee1fb46268d36ce2d21fbf8175b41ac3b89402633369fa49cc2452ff1980649c18d4c0b2ee358cf2376dde2dbf936a973a8fca94f11d9368b631dc9838beca5eea21ef0a579fac89f097668b66833a96da26b98cae9f47dfa9f835833eae4edf76c1b88a7b5db383fa82d300e124e76bbb705f792177b867847ad69944ba7c5eeaf8513efb2f222f29fa0267b8d8bab8f33f9f0a09b5d671ecd9335467fa312cee16dad6dc5151c4b8eff1dc9b697775f53476d856323f32a6fd5fa7a28d79b0e088d3b0aa3c47d85204fd7a2112d832fbcd4c7851d0c2a8dfc7cfeda239e3d286c0ca5aacb