DV SSL/TLS Certificate for mail.zig-hls.de

Certificate is witin its validity period

Issued by Sectigo Limited (Sectigo RSA Domain Validation Secure Server CA)

About the mail.zig-hls.de DV SSL/TLS Certificate

This certificate with serial number 16:84:f2:06:d9:1e:9c:49:4f:42:f5:c8:33:d4:16:3a for mail.zig-hls.de was issued on by Sectigo Limited.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for mail.zig-hls.de provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Sectigo Limited

Organization: Sectigo Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 16:84:f2:06:d9:1e:9c:49:4f:42:f5:c8:33:d4:16:3a
Serial Number (int): 29933307978283058187993762989339842106
Serial Number Length: 125 bits, 16 octets

Subject Key Identifier: 63:7c:db:c8:a4:cd:80:f6:e9:c4:bd:c4:44:84:d6:68:b3:ae:9b:0e
Authority Key Identifier: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (SHA-1): 0d:07:3f:47:1c:c6:b8:cd:80:c7:f8:0e:3c:2e:8b:8f:b3:fc:5d:d0
Fingerprint (SHA-256): 71:01:54:dd:22:e7:d0:f5:bd:0f:17:10:a5:d3:29:c2:51:2a:83:5a:b6:75:f8:d3:0d:ae:94:96:73:d7:8a:ac

Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt

Revocation Information

OCSP Server: http://ocsp.sectigo.com

Check the revocation status for certificate mail.zig-hls.de
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for mail.zig-hls.de

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
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for mail.zig-hls.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxl4UANa6PpGe9tCeksff
TfQ2nmOcJqopYlaKbBlAXLeuLDQTCwbA7AGXEUYlnTQIy+Ofn7d398C07iDQe+et
Lr3NZXC3FpDcPOTc9Z7HL3VWlhgoagz4Y+HxrqrBIPAKsZiH9KDMtZUYCgcXvxgg
BEfLY/ORfLKsSNBWYsnrMioM0/w1q3B81xn+EmqUfPuF1eL7rNM2HduIqYad6lTz
SJDVJT5cdxrBSHEBhzE+CfW3WfMzx2NmIkYcPoKUaGZ6UkHYjfTBu+Dt21uG4kNx
7ZhexaS8+7Wo+48xhig2AZHTi7nDepBCMhXCdN0ObM1K4vsYJ1lby/1nVU8MLTIq
ZwIDAQAB
-----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 29933307978283058187993762989339842106
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'GB'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Greater Manchester'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Salford'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Sectigo Limited'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Sectigo RSA Domain Validation Secure Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-03-10 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2026-04-10 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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'mail.zig-hls.de'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 25041576042068976045533057551982058708354885616968936681494525573777085862144333965417952540194189061810186539913227111830515460117725725184158829196182406696435304534879890680460675571065135305801433111586610639641356439016772962418578505989116348016423120562037339085742137201664854095098311837106685161248753181085296974492074920337140571689182480101306703115076864171214755478526270211594444522073971887793254788346941341970337214651999038429234893542574161259947346417321391977221886250139557079646814179700259180492341414419997727694616656895495098381335278547218612347013411856226936846071133569802585181923943
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							637cdbc8a4cd80f6e9c4bdc44484d668b3ae9b0e
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'https://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.sectigo.com'
 . . . . . . . . . . . . . . . . [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 (364 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (360 bytes)
							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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.zig-hls.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'autodiscover.zig-hls.de'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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