*.nikolamezynska.pl

Issued by R3

About this certificate

This digital certificate with serial number 04:b8:ba:ad:ea:8d:2e:23:89:e1:3a:c6:6a:65:c5:79:ab:ad was issued on by Let's Encrypt.

With 6 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=*.nikolamezynska.pl

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:b8:ba:ad:ea:8d:2e:23:89:e1:3a:c6:6a:65:c5:79:ab:ad
Serial Number (int): 411309238672335482184272949615393020423085
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 7f:ef:93:23:cf:a3:74:64:9e:96:07:d9:8a:db:a7:00:61:ea:7d:cb
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8d:d0:e3:b4:e6:0e:f4:c7:ab:38:e2:e3:d3:c0:28:bb:4f:4f:5d:0f
Fingerprint (sha256): a9:00:c8:b4:6b:a0:d4:b7:e9:6f:e6:03:f6:5b:59:20:18:22:77:cf:4c:2f:40:38:40:bf:d7:dd:8e:b4:6f:be

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate *.nikolamezynska.pl

6

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.nikolamezynska.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

*.nikolamezynska.com
*.nikolamezynska.pl
*.nikolamezynska.xaa.pl
nikolamezynska.com
nikolamezynska.pl
nikolamezynska.xaa.pl

Other certificates including the domain name nikolamezynska.pl

(limited to 100 certificates)
*.nikolamezynska.pl
*.nikolamezynska.pl

Certificate

The complete raw certificate details for *.nikolamezynska.pl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAt0McptgyjMRMR+gBDQlb
0lDPuu/lLNn/NEoKC0Fm19E20BIGtZ3VW4rPLvyYCnR3zDnJkc68le7eRGjIFjR2
oQzkbwQgmERC2lqGLwehvmUH+VC3CKzq4ZT8ypRvV8OMbeFHA1GdkzgsZbNQhuqr
xglbEzQDoh3V7uGYOW9eFaPC4RW7/0xxzs2qUF6fbNGcGPE58dd1uvMJ7XoTafcp
5/xZJRZ3dEVKkBC7Wpbf1HoBGovnBwGbzfjsE8eTDCxpW04RoFDgBkY8hP4H6cyI
zR+fOmlUdoLxoPgZ4NqLLZJRrSxtXqlOq2UDz779rZVZFt9mScyxK519lurIQwpG
GQIDAQAB
-----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 411309238672335482184272949615393020423085
 . . . . . . . . [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 '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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-09 01:10:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-08 01:10:44 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String '*.nikolamezynska.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 23134703930392377053491104089624907576899117064997642682407507203125827587230126983864591603234859754083575720445812138263645370198326190891029629891114847340207831947051158126223297724362677937837456555407811345556028003120269527045771592260424900425760078420262560540718522745720806990902031869833714175505255784770154444932616741684806839406699407861494343767370069459492391516844799101873005130713415519878469807205632680717302185811523571344960281647877834992026207756965396443790284410472966319590702249699643960956509596006344646481121853611064495666285921516617036564295853933751822049188120949257599149819417
 . . . . . . . . . . . . . . . . . . . . [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 (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 2.5.29.37 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							7fef9323cfa374649e9607d98adba70061ea7dcb
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://r3.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (133 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.nikolamezynska.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.nikolamezynska.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.nikolamezynska.xaa.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nikolamezynska.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nikolamezynska.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'nikolamezynska.xaa.pl'
 . . . . . . . . . . . . . . . . [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 (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 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . [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)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018ec09f41390000040300483046022100d93cdc3da536c276a5776aec5c53ff41bfda379b15bbe7bd98466a6858e21d1a022100c87c692aefa330259e50acd403a0cbb54338b704b4a8d6c5fc801cc5d804480f007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018ec09f413d0000040300463044022050bc4f55138d0b6f6aacc3e9d9583eb597a18a048c95d03c4da9ca7cc8011aae0220099d7946728daaa57aea8e258c1125457c97141e93130f7a318cee5411425bef
 . . . . [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)
		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