DV SSL/TLS Certificate for *.tech4.ro

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the *.tech4.ro DV SSL/TLS Certificate

This certificate with serial number 06:ed:b0:db:a8:eb:d7:64:8a:b9:c7:6e:fa:8c:3b:eb:ec:c9 for *.tech4.ro 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 *.tech4.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:ed:b0:db:a8:eb:d7:64:8a:b9:c7:6e:fa:8c:3b:eb:ec:c9
Serial Number (int): 603555721217224152470584791396733321735369
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 41:19:74:6c:81:4d:e5:26:0f:de:26:f2:f7:55:70:c3:1d:88:0a:f5
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): e7:60:20:a3:b7:5c:48:e1:ee:d4:22:00:f7:6b:a8:21:b4:14:cc:8a
Fingerprint (SHA-256): f5:42:25:e7:11:4e:19:a6:78:cd:7d:b4:49:08:32:7c:61:b0:b5:bb:b9:54:85:ab:17:80:e3:ba:07:5a:0d:c4

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/74.crl

Check the revocation status for certificate *.tech4.ro
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for *.tech4.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 *.tech4.ro in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAl8mruJ+sTlYQlyqybVZO
e7vdrVz7SeGl8aC6bWBPwWxXb0ftlDZRYFlAULTmsurRxrT6k4UvUO9hI4d3mWkb
W12aPPb2z/9un1Hhd9SauIF5K3po+gJwHSFv+XKkW2ZLuGEjkF2h8njbDHwOvPOO
1NDGE1/us9siX/vlSCPB69xn+/w/mtdl37Ukg1p745rguNUTXsJBRNNvZuL9ROK4
eppgPPL81mDfwt1bZIH0hPlhLQJIE6XdVDHKgPsZQmUXAvMJj+Ep5BXTdXRMeLst
JgR5gmJoqahol+n2Y7hRsZwpr4Tyxhud+DYzvJaPhoh6fIxf5vgTDxUhlUnuoJOZ
swIDAQAB
-----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 603555721217224152470584791396733321735369
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-10 18:07:02 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-08 18:07:01 +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:12|false] UTF8String '*.tech4.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 19161431620856200280180923172046230518011871436107844909942562990583411199603383772705184042993424363663428744867912132777504564235280565969063343980490362902542861741362248626852021051383899862866400433648327524816079421742397692119650816145567667361251300907565045236500113179083008946044991192119291253903664305650780027748024760065129411576947854470059448802217885722586176505568960789848909434272957716506763870478583242856054096760118225901310888488483893105798106696176856441774637327993494639120266734000203283783617653973496953225347715189474834515051872234419297855521965096413104016075760069629373725252019
 . . . . . . . . . . . . . . . . . . . . [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)
							4119746c814de5260fde26f2f75570c31d880af5
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.tech4.ro'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tech4.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://r10.c.lencr.org/74.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)
							00f1007700ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001975b3bc2d10000040300483046022100d0413008bfc3c2fd563500a7f73f477bb3bda6882b92961359934d91ef1aa4e10221009dc6d313478aa8ae6a56b26cc06d949d2041cff54e703590633612f9839fcfaa007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001975b3bc2c100000403004730450220760b9e6a3e3a5244d4ca9ecad07dc8b65bc94e881963cb1a2fe6e164875da656022100acbc6de345b88416476aa48107538ecc374575af70595f7239f7970f91ad5daa
 . . . . [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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