DV SSL/TLS Certificate for messe-barcelona.de

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the messe-barcelona.de DV SSL/TLS Certificate

This certificate with serial number 06:85:b2:4a:0a:7d:8d:7e:53:cd:cd:7a:d4:1a:ca:a7:c9:3e for messe-barcelona.de 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 messe-barcelona.de 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): 06:85:b2:4a:0a:7d:8d:7e:53:cd:cd:7a:d4:1a:ca:a7:c9:3e
Serial Number (int): 568168257417034948580584243246938601277758
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: da:3c:28:f0:a6:23:6b:fe:5f:b5:4a:b4:2a:07:17:ee:44:cb:64:06
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): 07:b8:5c:6e:b9:3d:e8:8c:c9:3d:e1:92:45:9b:a4:bb:75:90:a1:7c
Fingerprint (SHA-256): 37:47:e6:6e:66:7e:e3:c3:9b:38:48:c5:33:75:83:6f:d1:72:95:51:03:77:16:ab:c5:de:54:97:a6:93:18:9a

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/63.crl

Check the revocation status for certificate messe-barcelona.de
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for messe-barcelona.de

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 messe-barcelona.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3JCgeJzxXpY1XT3IQ70U
YFhJP0lERrhSOFHKdFIWOhv71FHPWN0X4IcSY41uzKi1sYVVjU6DMtGC09iAsf5V
iAmB5z1YGdzEWdz14LUrDgAWDBJyiuDJaaMYQJ6sSEewSljeWG+1uGOu73eWoZo+
5JRyxz/JOsUjODAW4GVH8pC3sX3jhxnw6SQGSJdm/jBYQ3tEdl+dLjRAHyFxABWc
Mwj5ZffyZo64MvIb44Jcr3lq3cs7uSzrikGLPVRyfF7aoQq/Cs6Toz1bewIKFOHB
nuiAmXMPvlm0J7GdFv1XRke0qn+n4ujaUmmqliMDVqjB8MrkDM0BRrSnH44dq1AD
sQIDAQAB
-----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 568168257417034948580584243246938601277758
 . . . . . . . . [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 2025-05-27 00:43:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-25 00:43:53 +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 'messe-barcelona.de'
 . . . . . . . . [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 27843745245602644477037431745434916060919138883516298375769823716286780511374272550960681294539098119622453365594256497118294196311884817249288832440672395182472996440012934666922500470964334246583215795725491717543053250671894483178133890861898879608881159152988244409392393535458103976429274230863312898570025426609242245862898973642185175386666515125892598832784842709174443452950039598940185602641798646094230105079827187127735234482346503370765355890276184788483708129436323856781577725453602639699651355489900973134677282111198332288005148408502367146169501042204141141856383126018822689166509066387583243649969
 . . . . . . . . . . . . . . . . . . . . [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)
							da3c28f0a6236bfe5fb54ab42a0717ee44cb6406
 . . . . . . . . . . . . . . . . [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 (46 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'messe-barcelona.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.messe-barcelona.de'
 . . . . . . . . . . . . . . . . [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/63.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)
							00f1007700a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a8454000001970f67b5700000040300483046022100a16a257f13f409a405d1fae30a21a0ef9f2ae5a76b140aa8ad6ec7e5d810f15f022100b4ef524260fb7ab52bafbf4137b45b1d1586add6f39172e8c4f718ec049244fc007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001970f67b5b800000403004730450220464e1af76fc7e097167a164fc792601c3235af1eda5b30b7174aa4f90838dbf1022100926f3c8d60397ec7f5c254eafa3cfc07e74a548f1a2948030c825b1e56382bd7
 . . . . [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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