www.martkos-it.co.uk

Issued by Encryption Everywhere DV TLS CA - G1

About this certificate

This digital certificate with serial number 06:4c:d2:24:98:ca:12:c4:c1:6f:e0:e5:9e:a2:a1:9b was issued on by DigiCert Inc.

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.martkos-it.co.uk

DigiCert Inc

Organization: DigiCert Inc
Organization unit: www.digicert.com
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 06:4c:d2:24:98:ca:12:c4:c1:6f:e0:e5:9e:a2:a1:9b
Serial Number (int): 8374244741474772642000084661746966939
Serial Number lenght: 123 bits, 16 octets

SubjectKeyId: 20:2c:f3:ef:60:42:93:a4:7d:cb:93:3f:a4:4c:59:88:f5:39:85:a4
AuthorityKeyId: 55:74:4f:b2:72:4f:f5:60:ba:50:d1:d7:e6:51:5c:9a:01:87:1a:d7

Fingerprint (sha1): 83:23:20:c1:7e:ea:27:e5:78:2b:73:de:2b:35:eb:58:ff:60:35:91
Fingerprint (sha256): af:13:59:52:23:97:77:ac:f8:30:b4:ec:c4:15:03:84:0e:03:34:c8:12:f1:e4:a4:57:8e:18:6a:74:78:fd:f4

Issuing Certificate URL: http://cacerts.digicert.com/EncryptionEverywhereDVTLSCA-G1.crt

Revocation information

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

Check the revocation status for certificate www.martkos-it.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.martkos-it.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

www.martkos-it.co.uk
martkos-it.co.uk

Other certificates including the domain name martkos-it.co.uk

(limited to 100 certificates)
www.martkos-it.co.uk
*.martkos-it.co.uk
www.martkos-it.co.uk
www.martkos-it.co.uk
martkos-it.co.uk
www.martkos-it.co.uk
www.martkos-it.co.uk
www.martkos-it.co.uk
www.martkos-it.co.uk
www.martkos-it.co.uk
www.martkos-it.co.uk
martkos-it.co.uk
www.martkos-it.co.uk
www.martkos-it.co.uk

Certificate

The complete raw certificate details for www.martkos-it.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAlTfJ+L3vOLCbQh00KaRG
tEbG8nkYcgvLKA+JbSq0n1GO32iFmcpn/L5nev3hzbb7nmgpmlUF0L/T2ssaz9hm
o+63HaM3ZCD1dBxXzjAuK6SFI+ZhNA8wE7veNEgUgTLGu92dzj1qtcb0q0Cce8Vm
Km5efHdCtqLs6lDqtepgvaBQcqMdzaaiWhme3Sl7tyIJxku36Jvif9YaBGJdChEZ
Sis1qS1EwlgMzHeDvrFPmvwep9OkpO0LBU8Gv9H6a1O/zqpFR92pXqrKe7KD6b3m
LeYLqEA5BKfntYvsL2vUG0mZ9uzRkTRC3PJbgEg+MkFsyOSDhgZk2fJwpQr1wCXP
qQIDAQAB
-----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 8374244741474772642000084661746966939
 . . . . . . . . [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 'DigiCert 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 'www.digicert.com'
 . . . . . . . . . . . . [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 'Encryption Everywhere DV TLS CA - G1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-04-20 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-20 12:00:00 +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.martkos-it.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 18837017997383504179334009460360829090112869621264331210662224876603371908095080756359125717452406429735335319417177256290161362677721041697842914139988988392709399357157047619966142945342209511771142120325682187637323064177196695044301646035935826497220996960889824223520760981260925770613974491615247204835508848413157180033152515031183733567474012332608484750468397977643695717439420048836026332922346410242830002676311451980436039176082295089406840213159506343534976144610293631334967173145308902734544671185429085566723323304977955546293586114092352498705231608354112501921325509984708896430735691827624418856873
 . . . . . . . . . . . . . . . . . . . . [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 55744fb2724ff560ba50d1d7e6515c9a01871ad7
 . . . . . . . . . . . . . . . . [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)
							202cf3ef604293a47dcb933fa44c5988f53985a4
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.martkos-it.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'martkos-it.co.uk'
 . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (69 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.114412.1.2 (digiCertDVCert)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.digicert.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 (116 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://ocsp.digicert.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://cacerts.digicert.com/EncryptionEverywhereDVTLSCA-G1.crt'
 . . . . . . . . . . . . . . . . [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 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)
		0045bd7343c3492908652ce412a3a55e35cec978ff61b7d942c7221e30e477ea5c5c8cac30628a6a45a0996f156c4a01ec903caa53f35c69c5997a867e539dae3cbf1fdc0708c4729129bae983db80ce729d05e7fae8b72e797bf4189bb55fd4fab2b6fb1369228fb0d9c7bba402643acc262e7f9a88ae7dd1e54f1760cd1f47dda2ab2e811d1efa78cfc367382e317aef6b2e3abb8b555b7c48fb7cd5d9bd1773bd4beaeb714f974a58dcd58f10a8ca1e8b6ee819c38d8ea9b3f1b6b56a663e4b404ff6864a7efda22d02d370c42f64e6262fd0e80f1d9c8cd9bf0a2365a89eef505c0c834d50631d85747252a93adf3671401456cf0bf0b483af55cab2eba95f