DV SSL/TLS Certificate for ulv.as

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the ulv.as DV SSL/TLS Certificate

This certificate with serial number 05:2c:29:60:bc:59:10:12:c1:36:7c:7c:44:5d:a9:5d:a8:ed for ulv.as 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 ulv.as 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): 05:2c:29:60:bc:59:10:12:c1:36:7c:7c:44:5d:a9:5d:a8:ed
Serial Number (int): 450588854431797412903276661082662327134445
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 2e:89:f0:4a:42:e9:b7:7c:6f:8a:e7:ff:ed:2b:61:22:c7:f8:bc:9a
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): 4d:5c:6a:b0:fd:71:69:7f:36:07:45:e3:27:64:04:41:0b:6f:dc:d5
Fingerprint (SHA-256): 0f:e4:3d:f4:2f:4e:39:b0:c1:d1:85:83:14:24:76:ef:01:20:3f:79:18:3b:c0:c6:30:25:23:23:c8:cc:17:12

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

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/110.crl

Check the revocation status for certificate ulv.as
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for ulv.as

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 ulv.as in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA6vzSdVitSn7e00y25fvk
Of6pZYFpzi+93CKgo665V4ahwRCrGzbezSA+x7UVGxKAGofPUt/wmeLwe1wy36vy
5XMp4gNjXo4lfZoNsqGk6oPiyN89ZBYbJcUUEi3jBMSKgaHEeKUgas6toShUnLlK
299TkreTbbP7SOPSITNbZtq0F9SgQO/5CvmN/TMvdrpMYcQIQSQKr4Cw7iSxS+AS
cT+wFpN/2ztL2WKyXv0//x9eO4bjt4vjYwSKNOHmIrD58FnQ0qw309eoS5xKDFvP
FR3ja2qdcNFENTgeFScikBpdt/vEeTM5xyrOiAJP2ze3dpBEzA7mjio/9atOV7iS
4QIDAQAB
-----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 450588854431797412903276661082662327134445
 . . . . . . . . [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 18:58:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-15 18:58:06 +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 'ulv.as'
 . . . . . . . . [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 29664434587638725214435205354827498893441379474286329686478185652188753604503669520370815797568086796261896535276673465916655428375167898455376901727723180555828365149348793883809588923142568514839260082009740898593165340121623020221468636332147842576926983462510802660701780852490089088823988599031162638078059266095732550065904423476278632560348339117089404133809683277988023099396603317096806621586782524994237852936122243107704429207566442419914049685847740100765921990560729288000398447626863375891509560574630594232275879295645279292388050821284425405966073263376454718399723636990628935753414064602931648828129
 . . . . . . . . . . . . . . . . . . . . [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)
							2e89f04a42e9b77c6f8ae7ffed2b6122c7f8bc9a
 . . . . . . . . . . . . . . . . [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 (20 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ulv.as'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ulv.as'
 . . . . . . . . . . . . . . . . [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 (40 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/110.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0076000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa34000001977f770a3500000403004730450220726430c5ac1e2bc07424cce9261da778c9751c618e0d0a6b36c92433458db08b022100be385dea3425825a0409018eeed24b0ac7c5deb1886bc94c2ae649e31b4592fb007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001977f770a4100000403004630440220479a9747c36ee50717cf049d58c72777edec60ca220c8ad866d9676a2c56bbad0220258ffb00c6acb5948ea154979a6185862cdb1540b45bd837132ca9ad63353212
 . . . . [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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