mail.ralfrottmann.net

Issued by cPanel, Inc. Certification Authority

About this certificate

This digital certificate with serial number c0:43:62:a7:b9:b8:2e:68:fe:f2:00:13:e9:16:d8:19 was issued on by cPanel, Inc..

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=mail.ralfrottmann.net

cPanel, Inc.

Organization: cPanel, Inc.
State / Province: TX
Locality: Houston
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): c0:43:62:a7:b9:b8:2e:68:fe:f2:00:13:e9:16:d8:19
Serial Number (int): 255561660044947367127936694847565912089
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 5f:52:74:a6:98:24:26:17:37:67:17:61:a6:a3:4d:32:8a:97:fc:1c
AuthorityKeyId: 7e:03:5a:65:41:6b:a7:7e:0a:e1:b8:9d:08:ea:1d:8e:1d:6a:c7:65

Fingerprint (sha1): b3:3f:26:cc:4c:4d:e9:6c:a7:ee:4f:1c:2c:85:bd:28:0a:2f:d0:35
Fingerprint (sha256): 2d:74:2c:1a:56:f9:16:e2:67:b2:3d:a1:85:8e:fd:4a:d5:49:bb:bb:c3:41:d0:65:ee:aa:57:eb:40:44:a1:41

Issuing Certificate URL: http://crt.comodoca.com/cPanelIncCertificationAuthority.crt

Revocation information

OCSP Server: http://ocsp.comodoca.com
CRL Distribution Point: http://crl.comodoca.com/cPanelIncCertificationAuthority.crl

Check the revocation status for certificate mail.ralfrottmann.net

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.ralfrottmann.net

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

mail.ralfrottmann.net
www.ralfrottmann-net.okkaman.rakusaba.jp

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Certificate

The complete raw certificate details for mail.ralfrottmann.net in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA9Dvp1RHARcMeIVdJazrf
lWNsxyNd7D3Mb2cped51mxLDwZPvgsfBBsRRU9+yxMKW+KPOzonmsiXi2+2M7Uz8
C0gwVxqRLRw36wtyV+tTlG60M20quZmMml783WsO2PWLACPEuDL4uGAyKPKUVFeV
RK1wKFTeoLzMDLJcBrZRrWKosczBYA4/t7siXdoDhdF72Tp0nXOgqSlShwZuAN84
yRXn9vlo4BlDzc2fczQwHRq72yhPNRvxbA08JAcJiVZoJhxunfMXr5x6gmCUC88I
d9cB8viT2Z5HY6jxwEgoqlNvVuqfQCoeuFNxcahaGIg/i0s56keVDFwbHEuztrb8
qQIDAQAB
-----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 255561660044947367127936694847565912089
 . . . . . . . . [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 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'TX'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Houston'
 . . . . . . . . . . . . [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 'cPanel, Inc.'
 . . . . . . . . . . . . [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 'cPanel, Inc. Certification Authority'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-11-28 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-02-26 23:59:59 +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.ralfrottmann.net'
 . . . . . . . . [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 30831690814057048880972623589507480329176145899394800683785161437060358387107351114514951806248651215676846463804112348750365488956550307692802839748739497343947038056254466130458885819028077765222111787016738381866408303006371638643895254964300985221604474324456306151423717542889905899376856042761016759893989450729734267316845174821758042363889703061212991348933397757556033344225035236459792243938279784109282911680815666292442229338030331527349246337706330697065322390381920001836859902627254746891016248203024612104109035281952520704762664275213345720449974152466999151729884549003586850062647971376051755875497
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 7e035a65416ba77e0ae1b89d08ea1d8e1d6ac765
 . . . . . . . . . . . . . . . . [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)
							5f5274a69824261737671761a6a34d328a97fc1c
 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (72 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.52
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://secure.comodo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 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.comodoca.com/cPanelIncCertificationAuthority.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 (113 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 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.comodoca.com/cPanelIncCertificationAuthority.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.comodoca.com'
 . . . . . . . . . . . . . . . . [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 (67 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.ralfrottmann.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ralfrottmann-net.okkaman.rakusaba.jp'
 . . . . [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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