mail.zektec.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:a7:1d:fe:0e:78:c0:7a:74:7b:3f:c8:62:48:ad:3c:40:7b was issued on by Let's Encrypt.

With 9 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.zektec.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:a7:1d:fe:0e:78:c0:7a:74:7b:3f:c8:62:48:ad:3c:40:7b
Serial Number (int): 318203879819877976858525970349389428572283
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: cd:bf:3b:5f:bb:b8:09:22:33:1a:a6:80:fe:92:78:0a:4c:bd:3f:48
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): af:64:96:64:54:93:23:51:84:bb:f8:b8:dc:7d:ed:58:31:9b:c8:05
Fingerprint (sha256): e7:bb:48:f2:f2:3a:80:f1:a6:a1:9a:84:8a:47:8b:c8:29:e7:52:d3:cd:9c:f0:b9:8c:ba:ff:f5:91:23:ec:58

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate mail.zektec.com

9

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.zektec.com

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

autodiscover.zektec.com
cpanel.zektec.com
mail.zektec.com
webdisk.zektec.com
webmail.zektec.com
www.zektec.com
www.zektec.ploni.net
zektec.com
zektec.ploni.net

Other certificates including the domain name zektec.com

(limited to 100 certificates)
zektec.com
zektec.com
zektec.com
zektec.com
zektec.com
zektec.com
zektec.com
zektec.com
zektec.com
ploni.net
zektec.com
mail.zektec.com
zektec.com
zektec.com
mail.zektec.com
zektec.com
zektec.com
zektec.com
ploni.net
zektec.com
mail.zektec.com
zektec.com
zektec.com
portal.zektec.com
ploni.net
zektec.com

Certificate

The complete raw certificate details for mail.zektec.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw4zWEr57UHQ41Zn3vxjH
SQBab8v34IZHRWhWeKeVN1FBOO4I7ONlOLhwjsEWsn8t+XoCU1f1o5CLy83vSTCm
Wfv2qJI390G1BwSjqSUhA6RMkti59uAbU9Qh2HeW9nUteJsrjRM1gkrcFXnXq4hb
qWzHAQ5EYkIoLCalr4zLxNtwFH7jqiaSVXYYIP5l+gjA3ZCv7doSjdCz228ymSLh
UzNoyBK11ANP5SZ7GIiCxGjlg9KiLCnc1UfJAG1aaVMBomn/EvHTb72G4GItM5UP
VtTMNyzTS0oH6US8/ujg62reNGMUtiQWgxKYvcWqKDZJAWpTgLiKwoYXpjAV4r1i
2QIDAQAB
-----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 318203879819877976858525970349389428572283
 . . . . . . . . [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 X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-04 11:13:10 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-03 11:13:10 +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.zektec.com'
 . . . . . . . . [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 24685918398592174397177410486417342985309529410777821605954687872939533694997901830969387251239541809339930070500339352671782541451648383567492572410731535290832686704646114404395243372676808067294110834810735273130259122213105383882031631044304146988674391204787989191630143869827542384762870667961336092171200330327131363127183775675497507509768427834358948451043989971839813909462393917538882407753080139872648322798245205108487733046918330729221581703378793152464039023864647636270216803762570073514393522615497463865817215250199395580562211678246829527616736836039297168185919703696748911874723365177843171287769
 . . . . . . . . . . . . . . . . . . . . [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)
							cdbf3b5fbbb80922331aa680fe92780a4cbd3f48
 . . . . . . . . . . . . . . . . [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 (99 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-x3.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-x3.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 (172 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.zektec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cpanel.zektec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.zektec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webdisk.zektec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.zektec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zektec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zektec.ploni.net'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zektec.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zektec.ploni.net'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef0075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d9130000016f70793a43000004030046304402200d8f35c8edee886c260e2217823689020f7afaf9035755249eb629c1ff1d71cb022078da15e4f537f13a1805bb7997f1448385822528b6cc2864d52b01f37647e8e000760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f70793a3d0000040300473045022014f350e3b73e28ffb1925c184a8751acf73664a3bb6b8e5f2b0acfd1e7042487022100ca5d70777ef541288ea24ed2d0b33511e24ed6480309f289f09d006ef3bf208f
 . . . . [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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