dukc.com

Issued by Sectigo RSA Domain Validation Secure Server CA

About this certificate

This digital certificate with serial number 77:8c:9c:cd:af:85:f7:1f:62:6d:2b:b7:e7:ba:47:53 was issued on by Sectigo Limited.

With 4 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=dukc.com

Sectigo Limited

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

This certificate has expire since

Certificate Details

Serial Number (hex): 77:8c:9c:cd:af:85:f7:1f:62:6d:2b:b7:e7:ba:47:53
Serial Number (int): 158908233410593180684529492958643898195
Serial Number lenght: 127 bits, 16 octets

SubjectKeyId: a4:cc:6d:c6:ab:bc:71:4d:3c:b2:de:d6:68:7d:e4:59:96:06:ff:88
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (sha1): f0:b6:97:92:8e:de:e2:c5:51:99:ee:87:70:e1:bc:3d:c0:34:ef:99
Fingerprint (sha256): 1f:bf:93:ff:c5:55:fd:fb:57:f5:63:33:12:26:28:6b:b8:23:bd:e4:32:43:33:14:4c:99:4d:8b:ed:9e:2c:df

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

Revocation information

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

Check the revocation status for certificate dukc.com

4

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dukc.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

dukc.com
prod1.dukc.com
prod2.dukc.com
www.dukc.com

Other certificates including the domain name dukc.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFzzCCBLegAwIBAgIQd4ycza+F9x9ibSu357pHUzANBgkqhkiG9w0BAQsFADCB
jzELMAkGA1UEBhMCR0IxGzAZBgNVBAgTEkdyZWF0ZXIgTWFuY2hlc3RlcjEQMA4G
A1UEBxMHU2FsZm9yZDEYMBYGA1UEChMPU2VjdGlnbyBMaW1pdGVkMTcwNQYDVQQD
Ey5TZWN0aWdvIFJTQSBEb21haW4gVmFsaWRhdGlvbiBTZWN1cmUgU2VydmVyIENB
MB4XDTIwMDMyNzAwMDAwMFoXDTIxMDMyNjIzNTk1OVowEzERMA8GA1UEAxMIZHVr
Yy5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDTZQhxw1JyTpky
yEvr+jHjKx24r2fpi4+42Brmr4isf+/Yuk71Db1xYOrIA7qSN2N51gXm0Yc1C/OV
vRj/wjslnZTmsy6p8zM/zN0kXDEb91hTL2A0NdfXvBrGG/TXnJ8JHtn8A54/nAcm
UF1E0W/Nf99Up4R0eXqBDqmcGVR44smk2BAC8CguwxhV3u3IVigXveK0PgfbjIOV
qkHA7F4xiaFMmIGA8DujHGwIyyWOnzstZj9DBTEFEexVoamkmzkvuWNF7XYBKLhT
YdndYkmjzzQIZWyn0NFg/CsYpUFBroCQYwM2TOPp9r6VDEkuAz16sUlcnHaewY6p
eCYwPJeVAgMBAAGjggKgMIICnDAfBgNVHSMEGDAWgBSNjF7EVK2K4Xfpm/mbBeG4
AY1h4TAdBgNVHQ4EFgQUpMxtxqu8cU08st7WaH3kWZYG/4gwDgYDVR0PAQH/BAQD
AgWgMAwGA1UdEwEB/wQCMAAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMC
MEkGA1UdIARCMEAwNAYLKwYBBAGyMQECAgcwJTAjBggrBgEFBQcCARYXaHR0cHM6
Ly9zZWN0aWdvLmNvbS9DUFMwCAYGZ4EMAQIBMIGEBggrBgEFBQcBAQR4MHYwTwYI
KwYBBQUHMAKGQ2h0dHA6Ly9jcnQuc2VjdGlnby5jb20vU2VjdGlnb1JTQURvbWFp
blZhbGlkYXRpb25TZWN1cmVTZXJ2ZXJDQS5jcnQwIwYIKwYBBQUHMAGGF2h0dHA6
Ly9vY3NwLnNlY3RpZ28uY29tMIIBBgYKKwYBBAHWeQIEAgSB9wSB9ADyAHcAfT7y
+I//iFVoJMLAyp5SiXkrxQ54CX8uapdomX4i8NcAAAFxGXV4bAAABAMASDBGAiEA
0kVKngmIlG9gxQb4UDGgXPLeR2TTKSyKo+qp07AP9H0CIQCDjmkyqlfeFdYRaNM5
Hn0yaKtawX6uAfMGgj3qyfpizgB3AJQgvB6O1Y1siHMfgosiLA3R2k1ebE+UPWHb
Ti9YTaLCAAABcRl1eK8AAAQDAEgwRgIhAIMXH3je3yfjAHigtI976uV8ndRyM4a+
+gv1qSVVuDNYAiEAispQyL6aALkS7VYFA4pNDPpHSm5rIag6LTDRTp/BouwwQQYD
VR0RBDowOIIIZHVrYy5jb22CDnByb2QxLmR1a2MuY29tgg5wcm9kMi5kdWtjLmNv
bYIMd3d3LmR1a2MuY29tMA0GCSqGSIb3DQEBCwUAA4IBAQDIiwGZtTWdrjGOHeXt
dIvPpQKFHnQsN9gvilDqGaxAz6VMFh6Pn/pnLu1MUPs2mJ5WKV26G222w0RGOnqk
VLFJJsR80HFsSyVYyH8kPOST+G4KjHaFAldqdXdzuPTkFy/Gj5NMSWEF8jfzYfjf
ug8fqbQxMcP+vej2/4/LneOqy1SCm+PMzNv/odpIEc2lA1TGTxAsYdPoAY7uzLZ2
945nBVDsFhr7zW4X2ZHzJs5rn1QurxgVSC3ZcX+gQcWnB9UvKGMPKjRoaPTD+gq2
FOFO9Br/KXD5HErgb55FnzZz2f6PkSPXp61dV3nVNoq8XKKVvPiw3Qk0Ck4G4TH3
4Db5
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA02UIccNSck6ZMshL6/ox
4ysduK9n6YuPuNga5q+IrH/v2LpO9Q29cWDqyAO6kjdjedYF5tGHNQvzlb0Y/8I7
JZ2U5rMuqfMzP8zdJFwxG/dYUy9gNDXX17waxhv015yfCR7Z/AOeP5wHJlBdRNFv
zX/fVKeEdHl6gQ6pnBlUeOLJpNgQAvAoLsMYVd7tyFYoF73itD4H24yDlapBwOxe
MYmhTJiBgPA7oxxsCMsljp87LWY/QwUxBRHsVaGppJs5L7ljRe12ASi4U2HZ3WJJ
o880CGVsp9DRYPwrGKVBQa6AkGMDNkzj6fa+lQxJLgM9erFJXJx2nsGOqXgmMDyX
lQIDAQAB
-----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 158908233410593180684529492958643898195
 . . . . . . . . [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 2020-03-27 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-03-26 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 'dukc.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 26686103570040774333510496707391689542424871606895071516254822297538930660998010691379630620602826958631806631142279304184598168236425384215497133771595069944467812167851999479015063581972507531308364119891270270329536733799766231824092542566786303850579561042280646548340722722151508061837865318318018096606796062141847760208134225305788755894215253058646486991878589505976989661115292698442532176101849476298098336296847609614928882729930490735822698476202046131399007714665742457644329378263994256137011928147123284095656526543871423980175562248563924948680934557414110742808776689352778930564398215741823086532501
 . . . . . . . . . . . . . . . . . . . . [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)
							a4cc6dc6abbc714d3cb2ded6687de4599606ff88
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f20077007d3ef2f88fff88556824c2c0ca9e5289792bc50e78097f2e6a9768997e22f0d7000001711975786c0000040300483046022100d2454a9e0988946f60c506f85031a05cf2de4764d3292c8aa3eaa9d3b00ff47d022100838e6932aa57de15d61168d3391e7d3268ab5ac17eae01f306823deac9fa62ce0077009420bc1e8ed58d6c88731f828b222c0dd1da4d5e6c4f943d61db4e2f584da2c200000171197578af000004030048304602210083171f78dedf27e30078a0b48f7beae57c9dd4723386befa0bf5a92555b833580221008aca50c8be9a00b912ed5605038a4d0cfa474a6e6b21a83a2d30d14e9fc1a2ec
 . . . . . . . . . . . . . . . . [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 (58 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dukc.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'prod1.dukc.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'prod2.dukc.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dukc.com'
 . . . . [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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