*.m.wec.com.pl

Issued by Certum Domain Validation CA SHA2

About this certificate

This digital certificate with serial number 60:17:a9:50:19:de:47:5e:93:f4:19:56:8d:d6:83:72 was issued on by Unizeto Technologies S.A..

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate has already expired and will cause a warning or error message in the browser it's still listed on this site to allow you to look back on previously issued certificates. If we have found any compliance issues with this certificate they will be shown below. I hope this certificate review is providing you the detailed information in a simple form you where looking for.


We have idenified some issues with this certificate:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=*.m.wec.com.pl,C=PL

Unizeto Technologies S.A.

Organization: Unizeto Technologies S.A.
Organization unit: Certum Certification Authority
Country: PL

This certificate has expire since

Certificate Details

Serial Number (hex): 60:17:a9:50:19:de:47:5e:93:f4:19:56:8d:d6:83:72
Serial Number (int): 127728744496580086917833808917311161202
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: d5:33:70:7b:c7:91:ae:cd:eb:ae:c8:5e:8b:fe:27:ff:bc:36:44:f4
AuthorityKeyId: e5:31:ad:bf:3a:11:96:f4:83:bc:50:3c:d4:b7:90:9b:90:ee:de:25

Fingerprint (sha1): f9:32:87:8d:62:a8:28:5d:d8:78:f9:15:a6:ec:b5:ef:40:32:ba:e5
Fingerprint (sha256): 00:e2:2f:77:62:3b:37:12:3f:98:23:38:ae:cc:31:3d:76:ee:24:86:9f:4d:51:13:ed:9b:4c:58:08:f2:16:45

Issuing Certificate URL: http://repository.certum.pl/dvcasha2.cer

Revocation information

OCSP Server: http://dvcasha2.ocsp-certum.com
CRL Distribution Point: http://crl.certum.pl/dvcasha2.crl

Check the revocation status for certificate *.m.wec.com.pl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.m.wec.com.pl

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

11 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.m.wec.com.pl
m.wec.com.pl

Other certificates including the domain name wec.com.pl

(limited to 100 certificates)

Certificate

The complete raw certificate details for *.m.wec.com.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9I5x8w6W0STqQyOsdLD7
XKtiPn+2xvcRNSLVXpN4xUPgpz0hA12NCOU0BQrpITtNHp2UwXwFsY1ZZp8bYU4d
9RipMDoXO4dzlaxGErMixI+THFeMyb+F/XssKopvMd530U44GNQiU9hTApGKY36i
zW/OQphMUZFcBtE306D973TeLKsAgBOnI3nn77+Y3RnAj1EQ6WkQARGpLImfmIws
+ekBKR75FzlQRMfXO+VQjZ8i6B6752Dq24HqJZjJTtNwBIJsi+Cm/1dl9ZWxivZI
hA/u8qL04nonTMFv9JTTnfEp+H1ubGVOgUVSEivCQwHR2cAxHCDPRsZI4mj6LKdN
MwIDAQAB
-----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 127728744496580086917833808917311161202
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . . . . . [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 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'PL'
 . . . . . . . . . . . . [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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Unizeto Technologies S.A.'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Certum Certification Authority'
 . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Certum Domain Validation CA SHA2'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-11-20 15:27:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-11-20 15:27:29 +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 2.5.4.6 (countryName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'PL'
 . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.m.wec.com.pl'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.1 (rsaEncryption)
 . . . . . . . . . . . . . . . . [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 30872388715893956705146842784554413400817134471582339356205380132478171284562185209839399628189538614652859648798487100809108543911492763910401561501003003185439290074449160357310027808478059686267697620024102613499732611695159955056280183984569860334355255997730613014784682372970828697794797599589972061099034626063469997666926726163358102001894390780781813479370253446745654491915070271961671401416660380864871983733073221430786246327927282692282450418006315466462094776634882012990411935047209161228115391566350361611316469316151039037649437534913329460442136765369454697905667818092791057009127020734008802102579
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (43 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://crl.certum.pl/dvcasha2.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (101 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://dvcasha2.ocsp-certum.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://repository.certum.pl/dvcasha2.cer'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName e531adbf3a1196f483bc503cd4b7909b90eede25
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							d533707bc791aecdebaec85e8bfe27ffbc3644f4
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.18 (issuerAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:1|false] IA5String '[email protected]'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (68 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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.616.1.113527.2.5.1.3
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://www.certum.pl/CPS'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.37 (extKeyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 (serverAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.m.wec.com.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'm.wec.com.pl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11 (sha256WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		0009aa01761b9ed35810a8a2746235f1e241ee158c64a1c2bda6a6449ee145abf3d1cf493e40b4b7548c8f5c29d871090ba01c3cdf11e1db7de9223d1fce9f5bd168a5020216270950d0be744abcaf6aa96473567e2d4d42157a5ee470cbf366da0fae1266b859d335445820c28dca075aeadb2c77e0d58ef1e4ad7833ebbfb8a8f25c962d1dd8228b5053b9bc9a61bd0b00dc5e020aa9bd168e231bedeabb5c2713ce527eb61ee5daabe871caeefd0683fac373ae60a1f5770aeadea421fe815663d7f458753438176397ec997303c0aa45050d11ff323da69d177a773cc3852b04b39d95ac17527bf49cb6a9d69f425b33ab00caf212c7f3dea5c82f4f83e2cd