DV SSL/TLS Certificate for isic.ro

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the isic.ro DV SSL/TLS Certificate

This certificate with serial number 06:c8:15:26:14:29:b0:2a:d2:70:4a:fc:8f:d6:7d:b0:16:18 for isic.ro was issued on by Let's Encrypt.

With 3 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 isic.ro 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): 06:c8:15:26:14:29:b0:2a:d2:70:4a:fc:8f:d6:7d:b0:16:18
Serial Number (int): 590758300478892347995698809566162536371736
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 84:87:5f:fa:70:3b:81:18:35:c5:08:ed:15:09:bf:07:7d:cd:7e:a3
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): 9d:bf:ec:88:8e:a0:f6:cf:88:b1:c2:3b:37:a5:a5:34:dd:cd:1a:e7
Fingerprint (SHA-256): 75:8f:0f:aa:77:bb:2e:ae:01:43:e9:dd:21:83:73:47:dc:78:8e:32:17:d5:de:20:1a:6c:79:e1:5f:2f:7f:f2

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/25.crl

Check the revocation status for certificate isic.ro
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for isic.ro

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for isic.ro in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2aAjI7ymYBu++46tyYQ6
N3mGHWZOOan4H9X9Gp6FLiqPx7O/oA76nsqdoxWMvAhW4PXExuXaI7ZHG/xlZHLt
+OpEFtEn5LthECnWiKJE3C8nbneIOMQTSX3tFqaP515zzA658+AQ5suAkgoMgc4P
bZEsW+cZzaTUfjuD/MR9nmVFoFfWYCrKTxhpGjVpZSooSYxtYy2S2exW8U822PoE
mBf+BtfMFJMTC8Jd5fpPvBnB5MWsXcx1JjEeevKgRRHgCtRJPTok1/+mwtQc601x
pEuGyivojcrLLDFpFtuKCe+Dasrc9ejYdn7UhbFZq20pF+0DuWO1LfCG1Kdi0WxB
YwIDAQAB
-----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 590758300478892347995698809566162536371736
 . . . . . . . . [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 2025-06-17 14:33:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-15 14:33:53 +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 'isic.ro'
 . . . . . . . . [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 27472678805665307475874687278240744434297337387347913934681871842846318681660425187363299205627309466538570703978355016390716665319707190782282501618201435800049755413287309964215293337807811014495769894637341025182036292151452896347948461998543891316119164250821928017179488902407511014256398430383717590113028242394040185220047507025624687007726420869461604388768937629212125071367666607021954951681143826337518891639309645979149789922731744270062795480595005753467639130686702690138344747305886099396378851171873918918522086952896322677886463091452369513815260872378459121057574098725653436170418169907499324162403
 . . . . . . . . . . . . . . . . . . . . [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)
							84875ffa703b811835c508ed1509bf077dcd7ea3
 . . . . . . . . . . . . . . . . [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 (41 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'isic.ro'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.isic.ro'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.isic.ro'
 . . . . . . . . . . . . . . . . [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/25.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a000001977e8524db0000040300473045022100e7411fd9c72daa5b7a3cfdc516aee403e4c31d214e9caa8a4ce565715d381c0f02200721e217cfd377e1853f6cd13811ad56256c1993b1811de42157b7e6d572aa5c007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001977e8534890000040300483046022100b185481986fa0f722adf6b3d480f2091066920b60dde990737d6d9a214787c41022100c438d04f9758ca5e185405d1995b231440df479fae550182cb255064b68afcd3
 . . . . [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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