DV SSL/TLS Certificate for *.alhsistemas.es

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the *.alhsistemas.es DV SSL/TLS Certificate

This certificate with serial number 05:fa:4b:02:5a:64:e0:c3:70:e8:81:f3:83:df:b8:34:18:ae for *.alhsistemas.es 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 *.alhsistemas.es 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:fa:4b:02:5a:64:e0:c3:70:e8:81:f3:83:df:b8:34:18:ae
Serial Number (int): 520731725706722676355091824703357481916590
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 74:09:b2:63:9e:ee:36:f9:ab:8b:2f:23:ba:5b:d3:37:a4:80:2a:29
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): 11:fc:8f:0a:c9:8c:2a:0d:d3:77:88:28:ac:1d:a6:62:c5:18:9e:08
Fingerprint (SHA-256): e3:bd:9e:6a:cb:dd:3c:30:19:07:56:3c:ca:69:ec:81:cc:a9:7b:4e:c6:55:34:d3:d0:40:ba:24:98:fc:8b:aa

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/47.crl

Check the revocation status for certificate *.alhsistemas.es
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for *.alhsistemas.es

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 *.alhsistemas.es in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAjZ+8Q2K/muuKUUno0eVI
xYHWJWcsi2HM6itBCfKvcIq1cXq6RBPm7Q0l7W7giUZz6clmW1ZYmUSBggudshRO
dkdeBSW5HYI8F2ei5eGYdbSLQWvrrt0xsTFv2gWRsgLyKE1Qft7S9KZiI+jByCrG
zJ0nc3X+VBRc08s5wI79KZlfhTN2Wan7Ezw5GrkYf0Ia8cL/K0MusH2q5smPQInA
FDk/T5b7H6hmODv+RUHIldDYID4TsuHB3/LgDWoLXnWGBB2pgbnbs67HvqgPp12R
vUN3Un32K8V2IkAp2Jx3AzgJVk8H4/NpWFbpuSVXd59mr/SIV5DfJBfKVRyIKS2d
tQIDAQAB
-----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 520731725706722676355091824703357481916590
 . . . . . . . . [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 2025-05-08 20:50:44 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-06 20:50:43 +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 '*.alhsistemas.es'
 . . . . . . . . [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 17878369463285204432875071924136957074651440618458026877213969006107943889240542138461128830577892594350842734997186660863487750855183688102403835798153860861360442097830812007905142198887323880396655463080088152800883532299962239437783431990777201053449062792961277277113925132094131425208320277925951682238845873746399357404163421125334881374678935374031529420064664949846944015331339345053960092556144918383561237890752846872917972927238575618816752097203240349869023162643765504972932280548441732197447781687374549885039476739197230864872739075887138335971853511142415751049314528256487553821268311690328603991477
 . . . . . . . . . . . . . . . . . . . . [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)
							7409b2639eee36f9ab8b2f23ba5bd337a4802a29
 . . . . . . . . . . . . . . . . [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 '*.alhsistemas.es'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alhsistemas.es'
 . . . . . . . . . . . . . . . . [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/47.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)
							00f0007700af181a28d68ca3e0a98a4c9c67ab09f8bbbc22baaebcb138a3a19dd3f9b6030d00000196b1dfc79a0000040300483046022100b1c4595031309abcd91c507a13b8202f92aebe1d16480b37cf8c3c60ecc2f616022100b1fee2856de5a4bc710945de2126c3594653fd586f6b8b15fb85861eab88c973007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000196b1dfcc7e0000040300463044022020900e9571ad27d7688312d6b6b2e7739e3a4bc05d16bb67aef24dc884e8577c0220443384941b8f35c693bea71a458232a8012cd86e5189fd6991cab262a6ee3f11
 . . . . [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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