cd.am

Issued by R3

About this certificate

This digital certificate with serial number 04:1b:35:c7:8c:98:fd:1b:63:bd:6c:39:84:38:b5:87:38:1f 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): 04:1b:35:c7:8c:98:fd:1b:63:bd:6c:39:84:38:b5:87:38:1f
Serial Number (int): 357708252836416132104861175161596559177759
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: ee:55:0c:0d:69:c0:8c:55:d6:07:b8:c4:eb:b4:43:97:a2:34:e8:0e
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): f8:47:db:ee:33:3b:72:7d:7e:26:08:ab:94:7c:df:85:83:8f:fe:1f
Fingerprint (sha256): 21:d8:dd:1b:86:08:c3:9c:39:53:10:79:06:ee:d3:44:be:49:f3:60:c9:70:14:4e:ca:22:4b:37:5f:ac:7f:dc

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 357708252836416132104861175161596559177759
 . . . . . . . . [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 2023-10-30 22:17:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-28 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 874961178168890580471862698118327782256832794564343292587769233698411798232212407997654272003265115983742444815062067406516261404061761805161250907647769300105268370439716006012011919507219938492729496914406407280002787180243783314500221232156243916337701630936398463351190870827043835163397715560988160516697209648731311803975793293418406985989629526535932760751072588109915706390108592403050434130794384845305140216380859076953968136355811447987505484250983853584666922181237192863363502247486813138414004843102524345534296315455438580622617153006170484798659272961847140634052627954376126315035885642003877085669935775431832004450478023569848714592845757601590989772450168426004157509915623788282515339953297472777104126410083237864672149037097758882747591007721105398286970805045404076762461000836764736924829127013431392719226042584878608924961868708196517791004113093778905149022288641067935900119129779190406667834829293673748032464340694171260074238569533434285262550495896285276729940566991285999235092133547553739521065252619559879822832584629462793024036815797983065522961951936186962433862497740978521898257885541816285488460036343110549821132511944346334882502968235316477626164687578744688979271604894690824106856291553
 . . . . . . . . . . . . . . . . . . . . [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)
							ee550c0d69c08c55d607b8c4ebb44397a234e80e
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b82e06ff300000403004730450221008699bb399e45adda9b1b3534da0d8ae6270e05c15168608cb0e4922d7423deb702201724ce50178be088aeaaa56bc447b8ea98d2f0e1e1152f28c238a4f81cdd626e007500dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b82e0700d00000403004630440220264de04f5358515252dacc09eddc7a05a927c1ef1a4f12eec0143fd3c03b52db022056c75be3c21b0b0e22d2fd2a5280fac2ba0814b97f4d8b3e9c9843f0fd5dac6e
 . . . . [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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