secure.bigadvertising.co.uk

Issued by thawte DV SSL SHA256 CA

About this certificate

This digital certificate with serial number 36:c3:1e:68:fd:85:46:38:02:52:42:3c:29:8d:df:ee was issued on by thawte, Inc..

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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

Certificate Subject

CN=secure.bigadvertising.co.uk

thawte, Inc.

Organization: thawte, Inc.
Organization unit: Domain Validated SSL
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 36:c3:1e:68:fd:85:46:38:02:52:42:3c:29:8d:df:ee
Serial Number (int): 72791426450277585775620642218280083438
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: 7d:29:31:2f:c1:1e:6e:ae:31:05:6a:b3:eb:1c:cd:a9:dd:ae:80:9a

Fingerprint (sha1): 59:ce:3b:cf:0d:48:7c:dd:d7:3f:8d:20:5f:1b:a9:76:85:39:91:7f
Fingerprint (sha256): 6d:fd:42:e7:be:c4:8e:30:57:aa:c5:96:c5:cb:9f:87:cf:a8:8d:81:47:24:bb:03:28:02:ed:fd:88:c9:2c:5e

Issuing Certificate URL: http://tm.symcb.com/tm.crt

Revocation information

OCSP Server: http://tm.symcd.com
CRL Distribution Point: http://tm.symcb.com/tm.crl

Check the revocation status for certificate secure.bigadvertising.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for secure.bigadvertising.co.uk

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

secure.bigadvertising.co.uk

Other certificates including the domain name bigadvertising.co.uk

(limited to 100 certificates)
staff.bigadvertising.co.uk
secure.bigadvertising.co.uk
secure.bigadvertising.co.uk
secure.bigadvertising.co.uk
secure.bigadvertising.co.uk
secure.bigadvertising.co.uk
secure.bigadvertising.co.uk

Certificate

The complete raw certificate details for secure.bigadvertising.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAp8ZW7CR9gqeCs+v5qLRS
DaeR2V56fsL2tQ40Hrh5oF4yo+abIQSp6vW/5XpkgoKAFGwGWHXEOTLI7UyGD9i1
+7p025vUnLHGcYjUkcUXQtmpJHxamIzeCPq4riXWpr60mwHdNVZETiswO9mxJJxT
35Ezn2bikkZkEE1mNlksxWJzouwqwKQmrP5nMGbWjIbOh0JRe1vLlDKA9xgTR3IE
QsneS8+YtVX+HWzRuMuP9+vipnXL5Qb7TD+7FIXdHlag9xs7/HtkQ09lwvUZ55iY
NSMWgaYLFjbJs5dwVs5PXKgwEEojTiuOADnPBnHOZVqL0ZYmGRr/YyjgF1ITocrc
TQIDAQAB
-----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 72791426450277585775620642218280083438
 . . . . . . . . [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 'US'
 . . . . . . . . . . . . [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 'thawte, Inc.'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Domain Validated SSL'
 . . . . . . . . . . . . [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 'thawte DV SSL SHA256 CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-12-03 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-02 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:12|false] UTF8String 'secure.bigadvertising.co.uk'
 . . . . . . . . [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 21179601802112753236152376761506123783161438825533036420095824039415624013625426255677705445444738220579151104795356011410262684525261133224381470252813926046809078971033188311470744408963173178670478006043377865243685605876491587408338588535730079239939536023611089119208836256139896416528521621687115215959194375435207332536505752431244626892070770127610250485902344231491767325470401075077731551106317877340517990292136851828758609077626658685637036830547863991470310756614153822910116177663449194036045849163612917194929664206179749695341271889594824157609261651103697756466549142166087175831988297568006760488013
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (31 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'secure.bigadvertising.co.uk'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (36 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://tm.symcb.com/tm.crl'
 . . . . . . . . . . . . . . . . [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 (103 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.thawte.com/cps'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'https://www.thawte.com/repository'
 . . . . . . . . . . . . . . . . [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 7d29312fc11e6eae31056ab3eb1ccda9ddae809a
 . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (75 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.1 (ocsp)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://tm.symcd.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://tm.symcb.com/tm.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [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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