www.cob.nl

Issued by Sectigo RSA Domain Validation Secure Server CA

About this certificate

This digital certificate with serial number 52:30:ee:5b:66:a1:a5:72:eb:66:a2:3b:8c:ec:2c:89 was issued on by Sectigo Limited.

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=www.cob.nl

Sectigo Limited

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

This certificate has expire since

Certificate Details

Serial Number (hex): 52:30:ee:5b:66:a1:a5:72:eb:66:a2:3b:8c:ec:2c:89
Serial Number (int): 109250760358584120568993336849689488521
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: c0:f9:76:be:12:af:bd:36:2d:5a:a5:f5:cd:83:88:96:a5:40:f5:59
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (sha1): 67:b6:6c:21:ef:3b:3f:04:9c:35:5a:78:41:c1:4e:f3:c2:18:f3:3b
Fingerprint (sha256): 8f:f2:ec:b8:19:ef:8b:2f:5b:03:13:56:75:28:66:f5:a5:19:27:ac:22:03:9c:89:c8:3a:27:26:81:f0:2f:5b

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

Revocation information

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

Check the revocation status for certificate www.cob.nl

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cob.nl

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

www.cob.nl
cob.nl

Other certificates including the domain name cob.nl

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.cob.nl in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArRNvw1vm8vHHRWmduZBS
qrEpi3u9p7FvsuYavWpw/RWXVFOT077hr1NgR2q3sWp/VupBK/vf1np1G+lFOxUo
iI7bkT4lhM1EJOcpRc9BH1agd+EzQRzAQNYQLavmkOTur3ItpzE7l3uL2j8VuJuJ
ouJv+7KsfJV1inD9SLGLLdPzRperw9bDG7IWmPy+KSGQc08oSDxyTX+R4dAsxMxx
IdrBmp8NYJoj61yDY4AMZ12gy5asHn3RvafcmDkf8dXzbdGH3R/kYd5TUDDIg/L/
VI5MTJl/R4QgBDZCJYEEPJv3gDrqxFIIwHgYURrHlBaCjplMDJaO5JEWboSKsXDK
1QIDAQAB
-----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 109250760358584120568993336849689488521
 . . . . . . . . [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 '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 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [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 (localityName)
 . . . . . . . . . . . . . . . . . . . . [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 (organizationName)
 . . . . . . . . . . . . . . . . . . . . [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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [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 2020-02-20 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-02-26 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 'www.cob.nl'
 . . . . . . . . [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 21848811291329007228893494800376139659129752036081368429484664634764397906350740345485580406381822181886066845097008875765362111847109068470611557116448705937709042165887183370731392283990732792100951409883367975324202908387987794946120886725567989388851973590258859378360534333043006501512672708424665915882216805718786734310911904028202571999981565579779858802932473917350303844105150648050548674264688719033114353830793500065706708350889012700317550094659141817269369235607149052876176674222215891833594185592979573929927429359660778762995385669211641145290424857178633022942722660296440682201637546680100699818709
 . . . . . . . . . . . . . . . . . . . . [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 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [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)
							c0f976be12afbd362d5aa5f5cd838896a540f559
 . . . . . . . . . . . . . . . . [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 (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 (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 (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 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 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 'www.cob.nl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cob.nl'
 . . . . . . . . . . . . . . . . [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 (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 bytes)
							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
 . . . . [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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