blackwallclock.com

Issued by ZeroSSL ECC Domain Secure Site CA

About this certificate

This digital certificate with serial number 9c:f5:ea:93:16:70:ec:df:e6:23:08:fc:c1:35:79:b1 was issued on by ZeroSSL.

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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • 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)

Certificate Subject

CN=blackwallclock.com

ZeroSSL

Organization: ZeroSSL
Country: AT

This certificate has expire since

Certificate Details

Serial Number (hex): 9c:f5:ea:93:16:70:ec:df:e6:23:08:fc:c1:35:79:b1
Serial Number (int): 208636437810120241546284126699741608369
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 7b:3c:38:69:27:6f:f5:ed:36:ae:f2:6b:25:69:1c:79:0e:55:e0:f5
AuthorityKeyId: 0f:6b:e6:4b:ce:39:47:ae:f6:7e:90:1e:79:f0:30:91:92:c8:5f:a3

Fingerprint (sha1): 9d:9f:b5:33:a6:3f:58:ed:15:86:83:c6:b9:36:3b:36:fd:8d:4e:e4
Fingerprint (sha256): de:98:81:e3:50:6f:53:ea:95:39:4f:2c:b6:4b:58:06:70:fb:0a:96:86:35:0f:b9:bc:aa:47:25:57:4b:6b:44

Issuing Certificate URL: http://zerossl.crt.sectigo.com/ZeroSSLECCDomainSecureSiteCA.crt

Revocation information

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

Check the revocation status for certificate blackwallclock.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for blackwallclock.com

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

ECDSA with SHA384

Key Usage

Digital Signature

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

blackwallclock.com

Other certificates including the domain name blackwallclock.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAE4gvTCw85xogL3k1ZP1tWW743yvyb
zF0JmI5HmYfua+Pn+0W21BoE9LHolNN/9WlTQLzkXvNbS4LL09+87v2nYA==
-----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 208636437810120241546284126699741608369
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . . . . . [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 'AT'
 . . . . . . . . . . . . [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 'ZeroSSL'
 . . . . . . . . . . . . [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 'ZeroSSL ECC Domain Secure Site CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-03 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-02 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 'blackwallclock.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004e20bd30b0f39c6880bde4d593f5b565bbe37cafc9bcc5d09988e479987ee6be3e7fb45b6d41a04f4b1e894d37ff5695340bce45ef35b4b82cbd3dfbceefda760
 . . . . . . . . [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 0f6be64bce3947aef67e901e79f0309192c85fa3
 . . . . . . . . . . . . . . . . [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)
							7b3c3869276ff5ed36aef26b25691c790e55e0f5
 . . . . . . . . . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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 (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 1.3.6.1.4.1.6449.1.2.2.78
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://sectigo.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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (124 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://zerossl.crt.sectigo.com/ZeroSSLECCDomainSecureSiteCA.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://zerossl.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018ea2e42caf000004030048304602210091763eea60a51cb448dc68a5159934fe81435966ea0924d6edc088dd7496747e022100c9cc0f3be3f94b4264a69f30bd12518fea892c8759239855557f5452fb2f72e60076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018ea2e42c900000040300473045022100c60b09f26f784cb3b8c99f584048b8c076f5b3a42b72e0c41910e9e3e88c9a5d022021537db9c3cadca153995c258a4e7aad45fe2bd82de41edbe77865db50e8c582
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'blackwallclock.com'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . [c:0|t:3|false] BIT STRING (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 33680326918935619762795225357384720626984363415687947601050250957949607385033357053184420085203285744475084475252135
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23100591065420963132988109333796602303683793157270549507130893056007388468708233516721314083734354813986050163893325