cd.am

Issued by R3

About this certificate

This digital certificate with serial number 04:3b:1e:81:03:a1:b6:13:9d:48:63:b1:49:86:2a:60:c3:ab 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=cd.am

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:3b:1e:81:03:a1:b6:13:9d:48:63:b1:49:86:2a:60:c3:ab
Serial Number (int): 368566350095203967359662408586867016516523
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 94:49:31:e0:4f:fe:a7:f5:a7:26:6f:dd:93:bf:d0:60:66:c1:04:44
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 60:87:80:6b:28:c7:1a:82:da:af:12:8e:22:1d:9d:cf:8c:ed:7f:74
Fingerprint (sha256): 47:3e:82:8c:1a:ec:35:af:01:c4:fb:12:15:48:e1:64:e2:e6:c9:cb:a9:ee:3c:22:c1:c3:1b:f4:c2:f2:3e:15

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

Revocation information

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

Check the revocation status for certificate cd.am

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cd.am

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

cd.am
www.cd.am

Other certificates including the domain name cd.am

(limited to 100 certificates)

Certificate

The complete raw certificate details for cd.am 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 368566350095203967359662408586867016516523
 . . . . . . . . [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 2023-12-30 22:17:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-29 22:17:07 +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 'cd.am'
 . . . . . . . . [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 982134923833806548369731559669543757387027848556703146463445406927345159068057599201461415970937390091260574409250654565367450888586811117167489410348696275221369263377821832840465108100661480441329155623114639790947202125988770270211066468460520029068050055857173067166774003881494238013750905755625240232679371644845612347773419959031395036843109452153662894332239120413213126021232718265849141466963231583782100942240192359376904876354969008130562763546745893537704401703993800954628860901826121927998548349817797005787445217770728471805557923373213414307945201604823460334363749779173213371031590805620822901510357448522879528105012407199004495117462285416258883222170857002253926147709393651030375676705422678060276609962330652718754529051679934722907950296918022753913036544672498922835747826678319484566216127036327726173643326892551776561905929092841106417324998144933470004806850921341847581144828888713753261262254639683588603855984311033401810142048887358968533928591910060874935126851547296910709442841116470713158608160945313370466636144248096505633929465725025956698678274522041281013749994429184235790903344717539049777051229004468533217068627503736579395474216506632799981822694629881253996656771968275965517810748029
 . . . . . . . . . . . . . . . . . . . . [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)
							944931e04ffea7f5a7266fdd93bfd06066c10444
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cd.am'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cd.am'
 . . . . . . . . . . . . . . . . [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)
							00f000760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018cbd045bc6000004030047304502210099ae0a35ecb9c83e4ac8ca2c1098133b9d0ca28eab11ba7b7350464c75f357120220567845b9c3c483855a0cb05d91db5ddf8a161decd3307d8083fd64af8ba0864a0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018cbd045d640000040300473045022100d9bea2babe957b050dc605ca7d555a8ae3d3120bcedf16235469382b7f3d55f9022051d6882a4616b7590c983bdb5ff1f8e3bd65e5ab60680379947aec6c6968bd0c
 . . . . [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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