cozumicin.biz

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:7d:ad:a6:54:ab:fd:ac:7f:b4:ab:8e:20:08:3b:d5:00:62 was issued on by Let's Encrypt.

With 3 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=cozumicin.biz

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:7d:ad:a6:54:ab:fd:ac:7f:b4:ab:8e:20:08:3b:d5:00:62
Serial Number (int): 391215259674056532489294729092550943375458
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8e:84:05:64:2b:da:e7:0e:af:cb:fe:c1:36:cd:b9:43:b7:63:55:d1
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e3:18:8f:a8:eb:c5:a6:3a:72:c1:b3:7d:70:aa:21:2a:f5:e7:19:8f
Fingerprint (sha256): 11:2f:07:0a:da:3e:d4:17:e6:0c:83:71:c0:7b:8f:e6:3a:7c:c7:a0:00:67:85:2b:ea:a4:00:24:28:a6:4b:24

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate cozumicin.biz

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for cozumicin.biz

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

cozumicin.biz
mail.cozumicin.biz
www.cozumicin.biz

Other certificates including the domain name cozumicin.biz

(limited to 100 certificates)
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz
cozumicin.biz

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA0l26D96L5uTpezHs7hqW
wJ9ClMPLt8OOnFzKjwf4fBoyCymBSXMJUF4yWlqrzgenhXaxFgcJbmmMZMtPlibk
Olc0gXxCyM8rfzm8wn46qPGUoZgHR/mFZRp6C7jqRU+opIXot4zrvL0QS222k9Lp
Ie9lAJTDBqYUMFv3y67z8mzJL0+nCrF8xrMhr1IKBQ8s3Y+WLUW0eN/T9yhPgU3Z
+I48M2VyeyrYlD1R6hZZK8irGs3oUUUTUPR9umUMrU1ZkyeEXgiVlF0fkK9fzKth
jq6pKBSq0PalHVifXutUavYPQtoEZrmj/OyztTUF2jief7q4w8jnv3zmblZC1TAa
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 391215259674056532489294729092550943375458
 . . . . . . . . [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 'Let's Encrypt'
 . . . . . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-18 20:52:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-16 20:52:17 +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 'cozumicin.biz'
 . . . . . . . . [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 26556262452827298207987459368121259478550496190147540840142980468145854191419616548227449902679302442025758828413864596350172040945914170637948559860833968703101374991954261720117189479493941819913417946004337339429559967295348609067039452158731702483883910305524452503450992122942241176305754445661834573776154453235200870727580573046755368778775725582095417382710147114808655095375862156596693263583553198074465011444035568806903764549060411105768403828184113889317368262507930499595082626629880672945476505043167083170734126047485436533274305705754038191563254139695893516161111617816366434141466321856860003506837
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.37 (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 2.5.29.19 (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 2.5.29.14 (subjectKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							8e8405642bdae70eafcbfec136cdb943b76355d1
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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.int-x3.letsencrypt.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cert.int-x3.letsencrypt.org/'
 . . . . . . . . . . . . . . . . [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 (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cozumicin.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.cozumicin.biz'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cozumicin.biz'
 . . . . . . . . . . . . . . . . [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 2.23.140.1.2.1 (Domain Validation Certificates Policy)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016accee6843000004030046304402200102652e4f13cad3b37817077f14b83110353d8bafbe47f38b7024bc20777a54022053df12cb7cb678c994ac61dc6779a4d178fe21092e39b033f2a7da660ff92575007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016accee6a380000040300473045022100d692cdf034ca885cc5b6550f85c011203ab4b132828606471c327b256cc7c8130220321574eb9b50431eaf29a5ee8485a33424c248844b208c20b72fff1adc06bd7d
 . . . . [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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