www.redchairpress.com

Issued by R3

About this certificate

This digital certificate with serial number 03:a8:5a:2f:31:56:6a:b3:44:b6:9a:22:f0:8c:17:89:69:39 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:
  • 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=www.redchairpress.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a8:5a:2f:31:56:6a:b3:44:b6:9a:22:f0:8c:17:89:69:39
Serial Number (int): 318624170996256110055589208487921485179193
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e7:26:b8:da:66:f3:05:28:f8:36:3e:88:cd:6d:41:ab:77:3d:68:b2
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 09:eb:50:36:12:ae:a6:82:49:0a:ea:0f:29:51:94:14:4f:c6:1b:65
Fingerprint (sha256): d3:39:39:f9:fb:f3:30:c9:10:24:88:62:72:48:db:f3:3e:77:be:1b:fa:6b:fa:2b:86:d4:1e:25:10:e0:ed:a0

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

Revocation information

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

Check the revocation status for certificate www.redchairpress.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.redchairpress.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

redchairpress.com
www.redchairpress.com

Other certificates including the domain name redchairpress.com

(limited to 100 certificates)
redchairpress.com
redchairpress.gravityswitch.com
redchairpress.com
redchairpress.com
redchairpress.gravityswitch.com
redchairpress.gravityswitch.com
redchairpress.gravityswitch.com
redchairpress.gravityswitch.com
redchairpress.com
redchairpress.com
redchairpress.com
redchairpress.gravityswitch.com
www.redchairpress.com
redchairpress.com
redchairpress.gravityswitch.com
redchairpress.com
redchairpress.com
redchairpress.gravityswitch.com
www.redchairpress.com
redchairpress.com
www.redchairpress.com
redchairpress.gravityswitch.com
redchairpress.com
www.redchairpress.com
redchairpress.gravityswitch.com
redchairpress.com
redchairpress.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsDh64skBMUrECjRaNMa9
JbmdT3JSYK2F/6YS6MJDYRQgW2a0l30b1wizYjOU7x3wH3jCyNyKf0RiMYjjSXiy
PtPFBchXUPi9HQ/nu79uVaVuYWaaI2XJVz/dzeR6DwtHdgOxNkBKcEbt9SAZdMPG
/1kfQX3KddCXy6KxpVibMdhoFSlmwfOFT9AuWzELOM0hrAsxMn/PlRJZbFzApN0a
ynk+RKA4Kaffb0opKpvsK0vdnR5F89qfFoFlPk9qDHSMZvAApA3Nnv1S2zdYHyVR
iRnaJNnoOuq79C/gqeZGDCZ9OeHAwnJzHXDkRtF/7B5/rgQSK+mSj8USAMU/s7Jk
0QIDAQAB
-----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 318624170996256110055589208487921485179193
 . . . . . . . . [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 2024-01-01 16:10:23 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-31 16:10:22 +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.redchairpress.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 22245793011384972742049603243217044744114791795931405019150101524986938885096518942995958254468047336013039757824348319516234157010180561889833045861609716620806626945654466788068536146318731563405313031494226305776647030968652135336385368459189809866255158411711380591738086752849572874095691981427544259544106970269883693236626423532626755927928121606443802988937422574479378926188683435539642207478131781315346213366132975260226687601859967448993043420636343181124374121637991900422269769391743925621471251990390936768059694342101956552313716497188257234775887052232918019432004631585036460539773924578689388012753
 . . . . . . . . . . . . . . . . . . . . [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)
							e726b8da66f30528f8363e88cd6d41ab773d68b2
 . . . . . . . . . . . . . . . . [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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'redchairpress.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.redchairpress.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018cc6014ebe000004030047304502202990a9e309b8accf515004463a260e08cea7e52d8e262293d111f9eb46619f2f02210085e9c7bc97bd469ef9aed114969df016f4d66a171c19a4314642bbbab25240b90076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cc6014ece000004030047304502203f657080ac019bfbca0db2b904002e5d3dae6b9474b2d4b8ba7382de313459ee022100bfa6ee5d39b743ef3157c993879f0f565643c19a359e4c01ad692e70142ec9f6
 . . . . [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)
		00413531379e0758adb68542eeebf23ddcf85932bd5506f07cfde05b2bb2b1aa6867e94dbf64f405d7ec16f3b306eed9da764bc40383fe07e0694b8450f9e5df59cd4623a7750c04468a1c8303a71bc1e1e5bd7fb983b2108f9fe17695b5f74a0e6189b4e9a5f88c0b974236d33008c5ab5c03071114a22e4f459f755aa61c0fea38ba008486c6bd88ac70897b0c4a993e1e5d9cd0c84520bf61a352040c62af1ed33b126e248f9791b79d17d3787e6a261b030c2d01e1206504aa9df2feffe37b2c43e2953c316b5ede6d6822412eee3eddcf10652252823c911fa00397f48b92e832b40b6a62b8458127dcbf2c542271476cc0eda9fbfcf2f173efde1bf2f487