DV SSL/TLS Certificate for ftp.momentaha.pl

Certificate is witin its validity period

Issued by Let's Encrypt (E6)

About the ftp.momentaha.pl DV SSL/TLS Certificate

This certificate with serial number 06:99:14:75:11:74:b9:4c:61:3b:be:c3:a4:1c:64:c5:89:91 for ftp.momentaha.pl was issued on by Let's Encrypt.

With 5 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 ftp.momentaha.pl 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): 06:99:14:75:11:74:b9:4c:61:3b:be:c3:a4:1c:64:c5:89:91
Serial Number (int): 574764110142161988860014278828652337924497
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 24:24:36:e3:2a:13:30:b8:bb:95:8b:9c:b2:45:56:81:21:68:45:8c
Authority Key Identifier: 93:27:46:98:03:a9:51:68:8e:98:d6:c4:42:48:db:23:bf:58:94:d2

Fingerprint (SHA-1): cc:2a:c1:72:f4:01:95:9c:2b:fc:ad:4a:c2:f9:e6:9b:69:fd:9d:a0
Fingerprint (SHA-256): 8b:e2:70:6a:2b:4d:77:7a:7d:5d:85:4c:32:a9:4f:9e:f8:ba:ad:e7:e5:94:7d:5a:ed:e5:e9:b4:69:17:63:f7

Issuing Certificate URL: http://e6.i.lencr.org/

Revocation Information

CRL Distribution Point: http://e6.c.lencr.org/18.crl

Check the revocation status for certificate ftp.momentaha.pl
5
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for ftp.momentaha.pl

Public Key Algorithm
ECDSA
Key Size
384
Signature Algorithm
ECDSA with SHA384
Key Usage
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 ftp.momentaha.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MHYwEAYHKoZIzj0CAQYFK4EEACIDYgAEymy2k4YE24HKvCnlKFv6ZuTDrzYKaNmt
P8HYdn0uTW4N7EucmlVZnXuubdDnfUaD2FY5Yz8GotFkDHrIBYlmjA9sMOK1K9y/
Ug1snJFDu1N/XC8ezNEArovDC6iTJf9h
-----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 574764110142161988860014278828652337924497
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3
 . . . . . . . . [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 'E6'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-24 12:06:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-22 12:06:03 +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 'ftp.momentaha.pl'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.132.0.34
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (776 bits)
				0004ca6cb6938604db81cabc29e5285bfa66e4c3af360a68d9ad3fc1d8767d2e4d6e0dec4b9c9a55599d7bae6dd0e77d4683d85639633f06a2d1640c7ac80589668c0f6c30e2b52bdcbf520d6c9c9143bb537f5c2f1eccd100ae8bc30ba89325ff61
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							242436e32a1330b8bb958b9cb24556812168458c
 . . . . . . . . . . . . . . . . [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 9327469803a951688e98d6c44248db23bf5894d2
 . . . . . . . . . . . . . . . . [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 (38 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://e6.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 (90 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ftp.momentaha.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.momentaha.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'momentaha.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.momentaha.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.momentaha.pl'
 . . . . . . . . . . . . . . . . [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 (38 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://e6.c.lencr.org/18.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00077001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000197a20a52120000040300483046022100e522b99d95e7d52ef5a4f1c3842adbe22e9f6f82a2cc96eb726541837060e5c7022100b3fa0674d6a2419b7cb98b4e4d29bb190a6b0bd7552727909818b924cc04bebf00750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197a20a59810000040300463044022043e27432d9b6bd53e7847428dab8b97e16f764d03343b67f5795f181995ae551022050c5cebd6786a5ca6893e7ce24a74d6229357c3800ca12312ec18d940b6f8750
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3
 . . . . [c:0|t:3|false] BIT STRING (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 33853928958470463866576655169803225552413306602323260799724247807370650742002699593594829973958245396140876065909142
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 35083212193963682517350180184350066098335544021701780612814442073153816469025668774842565384256419864409722022185321