webomat.eu

Issued by cPanel, Inc. Certification Authority

About this certificate

This digital certificate with serial number fb:bc:3c:28:a4:dd:49:50:8f:db:e8:4d:89:65:90:f4 was issued on by cPanel, Inc..

With 8 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=webomat.eu

cPanel, Inc.

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

This certificate has expire since

Certificate Details

Serial Number (hex): fb:bc:3c:28:a4:dd:49:50:8f:db:e8:4d:89:65:90:f4
Serial Number (int): 334613598916144211799512580103472517364
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 48:99:ee:2c:80:9e:a4:d4:8a:3d:cd:6f:54:74:05:fa:f9:9e:53:90
AuthorityKeyId: 7e:03:5a:65:41:6b:a7:7e:0a:e1:b8:9d:08:ea:1d:8e:1d:6a:c7:65

Fingerprint (sha1): 14:ff:b0:53:64:05:80:a4:b8:5b:57:d5:c4:2b:ff:1d:13:cb:f7:8e
Fingerprint (sha256): 01:d0:44:90:ff:06:5b:aa:7d:f2:3a:c8:d9:67:95:f8:f1:ca:f8:5f:e4:f3:29:a4:2a:7d:5e:3e:09:1d:62:33

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 webomat.eu

8

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for webomat.eu

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

webomat.eu
cpanel.webomat.eu
mail.webomat.eu
webdisk.webomat.eu
webmail.webomat.eu
webomateu.msq.netmark.pl
www.webomat.eu
www.webomateu.msq.netmark.pl

Other certificates including the domain name webomat.eu

(limited to 100 certificates)

Certificate

The complete raw certificate details for webomat.eu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA8zCxmW0L4A8F/S13yth/
4DTsaMUQlsXri8fSiLA0YYobYj5fr1jgJZ2HJTl+/5T00bm7UTjoFyueqEuRVESN
hxTPY7QntXiuJlJ5zLZPxw4g+78yPkPaLK+1lOCJtWDVmAarNKpytaHF06wI/uL8
aFo+laW07M0YyYDNeE4bDaI9C3m959iUO/xt0oGbI2gQNYo5isbSuKllJS+mJXwX
AX4bWoHO6eqgsK6LTxDwRIDrWO+Hbu7jjSMAqHDNKrAtKYzG+tQ39iE7wOg3khrI
XHBu0IplPyB2pb+UGTEHiEZcA/X9UGH7MjBx9aKW11Eu543oe1/VrQr/OzOHoTnr
TwIDAQAB
-----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 334613598916144211799512580103472517364
 . . . . . . . . [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 2017-10-16 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-01-14 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 'webomat.eu'
 . . . . . . . . [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 30699919888499129162914376494587932733208467618012310846656861916429151925301187581869664568694778332842995814198348035595650471838945634993945254164962862586506472424281578460298410676127247734146180443024042397080277394862744365639639115388864657969742562997476376510357029097985312103876920791404998375105399995241433643406927964496121068145870938259986160150600291899999236357079966551583209594217024229062799392909436284978075227485374969145645503084353191138831801339777883863252527235479220360307573129703507406667089339101833859291044305349818652872094091816292263718514096451218570047568928421380054312414031
 . . . . . . . . . . . . . . . . . . . . [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)
							4899ee2c809ea4d48a3dcd6f547405faf99e5390
 . . . . . . . . . . . . . . . . [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 (163 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webomat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.webomat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.webomat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.webomat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.webomat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webomateu.msq.netmark.pl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.webomat.eu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.webomateu.msq.netmark.pl'
 . . . . [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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