mail.sk-net.xyz

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:99:61:82:3d:75:de:c1:ab:8f:ae:95:b2:f6:30:d1:cf:c9 was issued on by Let's Encrypt.

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=mail.sk-net.xyz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:99:61:82:3d:75:de:c1:ab:8f:ae:95:b2:f6:30:d1:cf:c9
Serial Number (int): 139305099431412198565743073408032158371785
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 2a:fd:2d:8e:20:e0:05:56:7e:33:11:dd:af:a6:f4:2c:ac:d2:03:0a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e5:bb:b1:1d:a4:1f:59:69:44:2e:d2:55:d1:6f:64:57:d8:74:36:f6
Fingerprint (sha256): 1e:4a:b8:21:96:18:71:2c:a2:c2:3f:bf:9c:96:e7:5d:ee:ae:50:b6:62:b2:a0:ac:47:6f:c1:02:bc:9c:e4:7c

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate mail.sk-net.xyz

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.sk-net.xyz

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

mail.sk-net.xyz

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(limited to 100 certificates)
sys1512.sk-net.xyz
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sys1512.sk-net.xyz
sys1510.sk-net.xyz
ryokuyo2005.sk-net.xyz
mail.sk-net.xyz
sys1510.sk-net.xyz
mail.sk-net.xyz
mailsv.sk-net.xyz
133-130-79-94.sk-net.xyz
sys1510.sk-net.xyz
mail.sk-net.xyz
mail.sk-net.xyz
sys1512.sk-net.xyz
ryokuyo2005.sk-net.xyz
mail.sk-net.xyz
mailsv.sk-net.xyz
133-130-79-94.sk-net.xyz
sys1512.sk-net.xyz
mailsv.sk-net.xyz
sys1512.sk-net.xyz
sys1512.sk-net.xyz
redmine.sk-net.xyz
sys1510.sk-net.xyz
mailsv.sk-net.xyz
mailsv.sk-net.xyz
133-130-79-94.sk-net.xyz
mailsv.sk-net.xyz
sys1512.sk-net.xyz
mailsv.sk-net.xyz
sys1512.sk-net.xyz
sys1510.sk-net.xyz

Certificate

The complete raw certificate details for mail.sk-net.xyz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoFPtgpsslN0BX2Uy2fIB
yD9GnEGuKywo6yBD4Ut3hV/hVcoizsVUajWQbW3FDq9lmuz94FhNdXkDviyPHnWK
VTVZPmMoPnVNby41D4C5i4AuSvgWDyHrdYaJShW2IZqnAiG9GOhLzE5O4aVn4eEm
DuAGkR3IYFYmKDgEn3yOIlB8qznjeZayDotHpJlr26boT+F6lpyC7avCVfGAV6OW
wPb0Wpen7Mu45sOzbvzgm6L1Lobedx0IjLkz4jszdVYFq0Cj/5HdS3UZYjUJMYVa
lJZ+N0g8dgc4kxb+8gShDSqkXyd9SzwjlCuQFbiB8lASd4Mpg17ELyWh2B80cVFF
PwIDAQAB
-----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 139305099431412198565743073408032158371785
 . . . . . . . . [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 'Let's Encrypt Authority X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-01-18 12:24:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-04-17 12:24:00 +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:19|false] PrintableString 'mail.sk-net.xyz'
 . . . . . . . . [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 20239515122488206269129077282422573735272104857842241389838064552724319343592160759925316271397098047357256935521484667079953430709639980291788433572268682055026195405611669998780870321060761552471700409919204248087486871531832370358877089360632978233708419484034408428140309669202581562631413980814864724347274886738294372468735974642799139194762315248278468991804289876257982819627800429461238719623080457344760868239101786544541156102389394832577828595382099550670921265047207175171916078460527859820399515808417256489126645075316326195694528870141867157458897625912122291268455266166843637888440306687317042611519
 . . . . . . . . . . . . . . . . . . . . [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)
							2afd2d8e20e005567e3311ddafa6f42cacd2030a
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (100 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://ocsp.int-x1.letsencrypt.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://cert.int-x1.letsencrypt.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 (19 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.sk-net.xyz'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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