ssl81973.cloudflare.com

Issued by GlobalSign Organization Validation CA - G2

About this certificate


This digital certificate with serial number 11:21:95:e0:c3:14:35:b1:6d:2b:dd:79:21:0d:73:b2:d9:e4 was issued on by GlobalSign nv-sa .

With 9 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

CloudFlare, Inc.

Organization: CloudFlare, Inc.
State / Province: California
Locality: San Francisco
Country: US

GlobalSign nv-sa

Organization: GlobalSign nv-sa
State / Province: California
Locality: San Francisco
Country: US

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 11:21:95:e0:c3:14:35:b1:6d:2b:dd:79:21:0d:73:b2:d9:e4
Serial Number (int): 1492337400950854479716647849622111402514916
Serial Number lenght: 141 bits, 18 octets

SubjectKeyId: 2c:a0:48:94:97:70:b8:47:e2:4f:a1:0a:7c:b6:db:85:2b:d1:e6:83
AuthorityKeyId: 5d:46:b2:8d:c4:4b:74:1c:bb:ed:f5:73:b6:3a:b7:38:8f:75:9e:7e

Fingerprint (sha1): 11:a4:18:8d:5a:f9:ea:07:49:ae:3b:ed:a1:bf:7c:b0:03:3e:11:ae
Fingerprint (sha256): 4b:f7:e2:bc:87:e6:3e:52:c9:d3:9d:aa:b2:a9:02:11:cb:4c:ea:e9:5d:1a:c0:55:d0:4b:11:f7:7f:65:06:0e

Issuing Certificate URL: http://secure.globalsign.com/cacert/gsorganizationvalg2.crt

Revocation information

OCSP Server: http://ocsp2.globalsign.com/gsorganizationvalg2
CRL Distribution Point: http://crl.globalsign.com/gs/gsorganizationvalg2.crl

Check the revocation status for the current certificate on ssl81973.cloudflare.com
9
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 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

ssl81973.cloudflare.com
*.oper.ru
oper.ru
*.californiadebtrelief.org
californiadebtrelief.org
*.ihabi.net
ihabi.net
*.kolay365.com
kolay365.com

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIFsjCCBJqgAwIBAgISESGV4MMUNbFtK915IQ1zstnkMA0GCSqGSIb3DQEBBQUA MF0xCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52LXNhMTMwMQYD VQQDEypHbG9iYWxTaWduIE9yZ2FuaXphdGlvbiBWYWxpZGF0aW9uIENBIC0gRzIw HhcNMTQxMjExMDYxNzI4WhcNMTUxMTIwMTU0NTIyWjB3MQswCQYDVQQGEwJVUzET MBEGA1UECBMKQ2FsaWZvcm5pYTEWMBQGA1UEBxMNU2FuIEZyYW5jaXNjbzEZMBcG A1UEChMQQ2xvdWRGbGFyZSwgSW5jLjEgMB4GA1UEAxMXc3NsODE5NzMuY2xvdWRm bGFyZS5jb20wggEiMA0GCSqGSIb3DQEBAQUAA4IBDwAwggEKAoIBAQDEcQVOaD9j Wg4I+BPPYV6FqaTHOjxgWL6l2uvQ61dBVSn9ukIg7O0wVCjlHg/CS/iRHXfKfbhb 017RcUZbNvh2ptAsmTy8HRrEtBLdcCdSEz8HNyhiWsEybJgNi/p59Npdh9/is49u Xu2OO1IzJfylnjXZ5rNisOSz1Z/UrzB6Hgs+oegZUWnb5T5B/KCCsXsZ87vwDf/j 5XlL7vTVSvp7wpkEdDGQWHXpjGZ3LNQeieX/zDn2fudTzrGjl+656zlDdayXQG2y uCe5VgDWpNbL3AwW+SmpzblAnGtJgIWOGx3Cu1S5BQT5o0lcpU2rIQu48S7CiV54 PqJ2eFcWzpwZAgMBAAGjggJQMIICTDAOBgNVHQ8BAf8EBAMCBaAwSQYDVR0gBEIw QDA+BgZngQwBAgIwNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xvYmFsc2ln bi5jb20vcmVwb3NpdG9yeS8wgaQGA1UdEQSBnDCBmYIXc3NsODE5NzMuY2xvdWRm bGFyZS5jb22CCSoub3Blci5ydYIHb3Blci5ydYIaKi5jYWxpZm9ybmlhZGVidHJl bGllZi5vcmeCGGNhbGlmb3JuaWFkZWJ0cmVsaWVmLm9yZ4ILKi5paGFiaS5uZXSC CWloYWJpLm5ldIIOKi5rb2xheTM2NS5jb22CDGtvbGF5MzY1LmNvbTAJBgNVHRME AjAAMB0GA1UdJQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjBFBgNVHR8EPjA8MDqg OKA2hjRodHRwOi8vY3JsLmdsb2JhbHNpZ24uY29tL2dzL2dzb3JnYW5pemF0aW9u dmFsZzIuY3JsMIGWBggrBgEFBQcBAQSBiTCBhjBHBggrBgEFBQcwAoY7aHR0cDov L3NlY3VyZS5nbG9iYWxzaWduLmNvbS9jYWNlcnQvZ3Nvcmdhbml6YXRpb252YWxn Mi5jcnQwOwYIKwYBBQUHMAGGL2h0dHA6Ly9vY3NwMi5nbG9iYWxzaWduLmNvbS9n c29yZ2FuaXphdGlvbnZhbGcyMB0GA1UdDgQWBBQsoEiUl3C4R+JPoQp8ttuFK9Hm gzAfBgNVHSMEGDAWgBRdRrKNxEt0HLvt9XO2Orc4j3WefjANBgkqhkiG9w0BAQUF AAOCAQEAJgNlwTb2bHPrHQ9NWk0UDRG0VhCfRfl5hMe/wcHaAYud2+FDARqqmHGt AAYNL383VtUpmp3MzRmF18zx7PORiq6gb7LDXc22VmBNoY+QXuvBSUzz6Kyx5TGY DSP/YLICGstw2jxvYUxmck0vFHZ2brJQlCLM91ZpU1DtaBkcCI1l+oXsYmf7RXbE tGVNYS1CHGzdf9TwWqEqPx2N4CSURMA1lI4wF8+c9QtscAssk0HgwgFGKa+8/PGo RJ8oasfMfU6xhWBuGi6bbCu8/xktD0+MkjPqtp2uYDoL6cK2JN32r24VjWrxG7W8 7ldUDEX4967kMkd/MZxc7TIendazpg== -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxHEFTmg/Y1oOCPgTz2Fe hamkxzo8YFi+pdrr0OtXQVUp/bpCIOztMFQo5R4Pwkv4kR13yn24W9Ne0XFGWzb4 dqbQLJk8vB0axLQS3XAnUhM/BzcoYlrBMmyYDYv6efTaXYff4rOPbl7tjjtSMyX8 pZ412eazYrDks9Wf1K8weh4LPqHoGVFp2+U+QfyggrF7GfO78A3/4+V5S+701Ur6 e8KZBHQxkFh16YxmdyzUHonl/8w59n7nU86xo5fuues5Q3Wsl0BtsrgnuVYA1qTW y9wMFvkpqc25QJxrSYCFjhsdwrtUuQUE+aNJXKVNqyELuPEuwoleeD6idnhXFs6c GQIDAQAB -----END PUBLIC KEY-----

ASN1 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 1492337400950854479716647849622111402514916 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . . . . . [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 'BE' . . . . . . . . . . . . [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 'GlobalSign nv-sa' . . . . . . . . . . . . [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 'GlobalSign Organization Validation CA - G2' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2014-12-11 06:17:28 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-11-20 15:45:22 +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 2.5.4.6 (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 2.5.4.8 (stateOrProvinceName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'California' . . . . . . . . . . . . [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 'San Francisco' . . . . . . . . . . . . [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 'CloudFlare, Inc.' . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.3 (commonName) . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'ssl81973.cloudflare.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 24798440371333677960981777705943891539600355968926848553954502286579555256018356398828230090889305843696125485096364891847296931364821842858458300726877275339136711834495980685283122037203604702711478602946129813706866409556601094755646827373881901057164669582255123907520122127063934789361606568733233400699073652145239133818973689318993657918185083255198969084727853211456748522736638432477860555782187422158610245091489220787366537746319661672351654922827112138339630204953887854798045700065996464371498285850264156214357636924249782362554402196157316066268670401126032095427502789135366959218034943886201021439001 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.15 (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 2.5.29.32 (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 2.23.140.1.2.2 (Organization 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.globalsign.com/repository/' . . . . . . . . . . . . . . . . [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 (156 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ssl81973.cloudflare.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.oper.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'oper.ru' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.californiadebtrelief.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'californiadebtrelief.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.ihabi.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ihabi.net' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.kolay365.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kolay365.com' . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.31 (cRLDistributionPoints) . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (62 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://crl.globalsign.com/gs/gsorganizationvalg2.crl' . . . . . . . . . . . . . . . . [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 (137 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://secure.globalsign.com/cacert/gsorganizationvalg2.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://ocsp2.globalsign.com/gsorganizationvalg2' . . . . . . . . . . . . . . . . [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) 2ca048949770b847e24fa10a7cb6db852bd1e683 . . . . . . . . . . . . . . . . [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 5d46b28dc44b741cbbedf573b63ab7388f759e7e . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption) . . . . . . . . [c:0|t:5|false] NULL . . . . [c:0|t:3|false] BIT STRING (2048 bits) 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