DV SSL/TLS Certificate for adda.solutions

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the adda.solutions DV SSL/TLS Certificate

This certificate with serial number 05:be:03:b0:81:98:db:90:71:b2:e7:8b:9c:3b:56:74:7d:ad for adda.solutions was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for adda.solutions provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 05:be:03:b0:81:98:db:90:71:b2:e7:8b:9c:3b:56:74:7d:ad
Serial Number (int): 500219983530555469581072186403713436646829
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: cb:eb:2e:e7:40:92:34:31:57:85:c0:25:bd:5c:6e:ea:4f:5e:dc:0a
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): ef:6a:24:d0:27:af:b4:ac:8d:92:8f:00:ea:f4:51:73:d2:54:ba:49
Fingerprint (SHA-256): 07:6e:fe:17:03:89:a4:2f:8c:17:92:33:75:ea:bd:ac:9e:26:2f:4a:f9:fb:0f:06:2b:55:80:a6:4c:44:da:9d

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/46.crl

Check the revocation status for certificate adda.solutions
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for adda.solutions

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
Extended Key Usages
Server Authentication
Client Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for adda.solutions in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtbcyRCx8Ytkgz8KcuUMR
SXIkhX5rRo9cZZio9g2X/CRrCImOlwjAHKSznpmTn1DuWHosdzs/Pt9Czf4Seea2
evMCXqVVYJad0lhmnDvHi/loIUNpu8SnldwmBFqCrrWbqjfX3LG3Ga28sARw49SK
z7iiQO7dyo/VXrrvvfgr8NT+Va72dm0blrEULBQ1ikuMnXu9eynlXb9aLGlKA4Jy
n6F667qDHLRAcKbLnbCAwBreIMvBwz/EgD8n8cEPp7d2dWi0a8nzVP9J+VohIndC
2ojSuzqNxupl/F/5yi97/TXarG7yDD71b8IXTpgkTANNM5nCQjKhvhk6bM8HoK2i
GwIDAQAB
-----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 500219983530555469581072186403713436646829
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-06 17:54:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-04 17:54:40 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'adda.solutions'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 22939470687321555467983983766481488927122533389224703414157067960795392225139257443764289777197142653696774976015396847455876503622363304322824929580913088238013036854968197839412345133762839096761518697994197263854047164516092752993918508426509703887925037299824131713817349568087864403405604765342012909080366317441579914105867459086012214953775497022902196367665056854182813781750482370320108984626315858269620696277289840523599446967702497933509067220908901940932031463960804666636928023798149245530912408909077013577902109720314151097932166599715625424257629666375954205518131801275662144732013645164665405022747
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							cbeb2ee7409234315785c025bd5c6eea4f5edc0a
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.adda.solutions'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'adda.solutions'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/46.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007600ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db000000197469704a5000004030047304502203477a9bd828efcf66b17eaf8d5b9f643977620310e8b7a289bcfc9d300c34f0b022100c8ae39b92ba4ab1b3876678850cc79a7194bcc5f9310e5b195fa84a2336b627700750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019746970490000004030046304402201b6dda1b9ffb44b63ca7f31691813fbe5da73135655ab7a8911acb6508bbd85702201097e1bd472fdac3bd091ef9b90c9a16c7d61ea6a6d9cb393170df48d01eba54
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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