k1662.xyz

Issued by Sectigo RSA Domain Validation Secure Server CA

About this certificate

This digital certificate with serial number 1d:07:35:0f:24:f4:41:4a:d5:2c:6f:0f:12:75:81:17 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=k1662.xyz

Sectigo Limited

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

This certificate has expire since

Certificate Details

Serial Number (hex): 1d:07:35:0f:24:f4:41:4a:d5:2c:6f:0f:12:75:81:17
Serial Number (int): 38585034123340481947903265843656884503
Serial Number lenght: 125 bits, 16 octets

SubjectKeyId: dd:b3:c0:a5:63:b4:e1:eb:7f:42:42:ca:41:73:bd:17:58:ae:08:c9
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (sha1): 7e:c6:9e:12:80:e4:17:ac:0d:9b:a6:91:f3:ba:3b:f6:ea:0e:69:10
Fingerprint (sha256): 41:c6:2a:35:45:1d:12:10:a0:09:06:d5:a9:da:8a:bc:35:b1:a6:ca:b3:79:97:2f:28:54:bd:7f:e5:84:07:85

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

Revocation information

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

Check the revocation status for certificate k1662.xyz

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for k1662.xyz

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

k1662.xyz
www.k1662.xyz

Other certificates including the domain name k1662.xyz

(limited to 100 certificates)

Certificate

The complete raw certificate details for k1662.xyz in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA+EY53P7THwBV7L5YnRL+
M3txf6GHBczjlfYfWLAglAuOdfAuHxDk48Kd5v94VSVpzurMU/pHNllFPZwMp19V
sjpkFfjXlOkiKsZToQgSPEGkgNnh9xiK8AMc7fv6w2amKx0nT4yN8yk8rIXX4H4v
zYJF8uF2naRjwYn7G6QSmGuG8iuq3BwRkdEqOGykssu/tbKfTPFWXtOh+1xuvYvf
OG0hf5T8l47v35HDcWWzC3SV6L59vu+7+kBado97wPxyl7MgRKSHFGbrSgNppacT
+xUvFR9l36U7FxMHIbR6Fv66FTFyP/H+HWH358Y/lemojcgvC0insAKSVNYJR2MO
rQIDAQAB
-----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 38585034123340481947903265843656884503
 . . . . . . . . [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 2020-01-06 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-01-05 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 'k1662.xyz'
 . . . . . . . . [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 31341729376841214696486925224014091674572925868727052017665407443189856773040241664683341242221105505886612760524048106241236458188437714977148734548364858713509021432656269886928707752050840786229121317312319795944355548801059687037917663309165023333513865315333011912067835143712978428902145416253049404678532432855527741047208120309708325768252043195856718033482737249379078484393404611991241012938975969915499549006534214907523313331386794873177933298586150241429222459239668397284239008015492273453108067550884310260988041470760050559337974699922569250488696923209427125259493943175105829956310422613563233472173
 . . . . . . . . . . . . . . . . . . . . [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)
							ddb3c0a563b4e1eb7f4242ca4173bd1758ae08c9
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'k1662.xyz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.k1662.xyz'
 . . . . . . . . . . . . . . . . [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 (365 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (361 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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