jamesnicolbooks.com

Issued by UbiquiTLS™ DV RSA Server CA

About this certificate

This digital certificate with serial number ca:af:5d:c5:09:18:c8:f6:47:5c:4d:52:99:f6:48:7b was issued on by COMODO CA 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=jamesnicolbooks.com

COMODO CA Limited

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

This certificate has expire since

Certificate Details

Serial Number (hex): ca:af:5d:c5:09:18:c8:f6:47:5c:4d:52:99:f6:48:7b
Serial Number (int): 269414608973653084401386338728795326587
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: a9:51:98:2a:93:61:2a:97:8f:da:8f:1b:21:51:67:f6:32:3d:43:d2
AuthorityKeyId: 38:12:c6:79:02:66:38:02:e3:37:24:e5:8b:0f:ff:45:95:69:e6:31

Fingerprint (sha1): 46:d0:3f:52:54:4c:c8:84:d7:8d:7b:a0:d9:53:7d:15:30:8f:0f:aa
Fingerprint (sha256): fa:1b:ec:86:f9:ce:a6:32:84:06:a8:33:54:be:ce:06:24:2a:71:df:ef:06:82:fd:74:46:ac:62:14:ef:0d:02

Issuing Certificate URL: http://crt.comodoca.com/UbiquiTLSDVRSAServerCA.crt

Revocation information

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

Check the revocation status for certificate jamesnicolbooks.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for jamesnicolbooks.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

jamesnicolbooks.com
www.jamesnicolbooks.com

Other certificates including the domain name jamesnicolbooks.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAw9oIDRBWJP2e3UHtIjS5
C28NyZQpLbinKGns042tbVbJX0a3VakLFiohoHExkr9YEHGl5oNE+UR2x7kLIsPL
DZ4FdGjv0E8YkxENvLGxrjhV5C/+Nc+1OnDPQiDaajDizREZBlytjIXW7s6Yhk/b
jVCTJDDO19x0S0UdULaaM4HPYf+5fff0/fOTPezdZsAZDScqF6tFJQyU6XMWRbNW
I+/i7zSV3uRK6vSPCMSIQps9/oiBOMQz3bSPl4nI5VqSUFz6w0047hyHIE8XO7OY
J6m4ePOc+6uSu6TrzsykCL7tWrDMlZv5ejucMRXWVpU1gHF9+CA4LX5IQK/AV0uQ
wwIDAQAB
-----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 269414608973653084401386338728795326587
 . . . . . . . . [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 'COMODO CA 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:12|false] UTF8String 'UbiquiTLS™ DV RSA Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-10-25 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-23 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 'jamesnicolbooks.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 24723984783200653380757974496354412428347068851343136559264115732041700550520443018896892282201536821740255680009118040808859508454541919454266250248755560257447932068173290720843172485040471486062339883243781934027314144306254572582458295000587170934065558996068887973588139161449583578587099722048220050924258265760189987965764786016042706145158097315617780987984501543111417285663057505593569681242894407391504299365717370552499951858608580499004542748113584249045198919363498907782356078097515893354403829318067909057475405303783064942433858704517932636365325205669748585625500618327811756056000626057151165206723
 . . . . . . . . . . . . . . . . . . . . [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 3812c67902663802e33724e58b0fff459569e631
 . . . . . . . . . . . . . . . . [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)
							a951982a93612a978fda8f1b215167f6323d43d2
 . . . . . . . . . . . . . . . . [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 (73 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.1.3.4
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://secure.comodo.net/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 (104 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.comodoca.com/UbiquiTLSDVRSAServerCA.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.comodoca.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.11129.2.4.3 (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 2.5.29.17 (subjectAltName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'jamesnicolbooks.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.jamesnicolbooks.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)
		006fa77f180579c2c932fd6e40df1fd459bcfd231b98fd98be1ccdba7e3d6a7e5dd92db03b79b0d5e7257ed0ce571caa06a14bfa278a4d75cb8cc6dc825ab38bcce22798e252cf382dfb5d3aaf6c30abcdf9f730427c670302d71dd7e3dd657e06ae1f83428c40bdca46cb32dea95b7402dece892c3b372e0d2be481a475558229948eeda9e64a8d611a88a0874e673132cb134016640cb54e07473b168094ffd7577954bc83a121cff5a1b379370ca312f87b9f563ed23cbb15f9a180e00577288d3e28d0b2b7555a565596fec2697c154ae72370c9cf3ac30046de2594e4f4828cb0672261f84b8aa7fb46ab21659b7303c2fd555ab064180cf970e9aca59c04