slidesup.com

Issued by R3

About this certificate

This digital certificate with serial number 04:b3:58:1e:86:fb:c5:2f:48:98:3e:23:e6:2b:ad:08:6c:ca 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=slidesup.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b3:58:1e:86:fb:c5:2f:48:98:3e:23:e6:2b:ad:08:6c:ca
Serial Number (int): 409476817976213981577755325628981006855370
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: bd:e1:39:fe:7a:c0:0c:9a:84:d5:a1:31:f5:15:fb:07:85:61:47:db
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 63:84:30:6a:1f:fb:48:0b:40:40:b3:a5:b2:ca:5f:ad:09:3f:59:dc
Fingerprint (sha256): 1e:b5:2b:04:a7:65:1c:2b:49:10:ff:76:31:4b:01:92:c0:f6:a2:24:8d:bf:1c:a7:97:d8:9c:6e:df:fc:df:fd

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

Revocation information

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

Check the revocation status for certificate slidesup.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for slidesup.com

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

slidesup.com

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Certificate

The complete raw certificate details for slidesup.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsCmSHA6rQg3HBQS47Ynw
wJSm9AoTntgUaZaV9DCi/A4guXP1fgDQoKQXuWHwrZUsfhLnb4ZNk6MNIdK3/Dpf
96kb+8i69jrVq7hg1QmulUDrqbdK1Gah/RkYAPSYyWwU4BxnIYbhplwzUyPbQ9oG
oZX9rsfgLV5LKF4SvgY18CRraFA3hKM9QEnB42g70AMOFjPIRofKFi/AGvMb8qUm
n3CCJ13Qvxi/g40983ESCjIVqStmNyYKNfB+KM6mTX1bQTzfoXNCgdPvzOzF22zn
KQaY5JzZZUhB4ikcE95TYoSSNW0vMH1R2eOqyBovrH3u40esgTIONk6MJw6HIW1P
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 409476817976213981577755325628981006855370
 . . . . . . . . [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 2023-06-22 09:15:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-09-20 09:15:26 +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 'slidesup.com'
 . . . . . . . . [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 22238440970245485989974750864586834716473937231918184117535496057559695802735562783335760663506470463579790663978369865072640264175229838243359002708197956070799109142314941734789582555628840300694773931903783477489562755230984147599122833228217710659982060510538492962604626810206576850779693815937034470373952467749318915006868113193375063148443652414959276662930257428728593116512546106527693837378548886145660991507428667062924391203604452114808780477853823602080035324548107322603996189834109972102882519476062318710830336718127805395506855206840638653986965701643295753096957312862338206316014976497235237097289
 . . . . . . . . . . . . . . . . . . . . [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)
							bde139fe7ac00c9a84d5a131f515fb07856147db
 . . . . . . . . . . . . . . . . [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 'slidesup.com'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb5200000188e29a11d90000040300473045022100f11ee3c46da1b48d70d541468de2f02e294903e10d32a71a195deb684a54dda1022030e43407425f0327477bd9c2d63cd45f08b1fbbb02b41e24746b3bceee1ab799007500adf7befa7cff10c88b9d3d9c1e3e186ab467295dcfb10c24ca858634ebdc828a00000188e29a11f0000004030046304402203efb5eeace5ceedf3b66f9b1a7b6ec154e9782ffdd473c804f6249479791262402205c328a0833faf276b423764838d4b1e9939de5c148e8ccbca6b00d95bdfc502a
 . . . . [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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