www.copii.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:09:28:b1:43:d4:38:05:6f:81:a1:b0:a0:2f:81:c8:38:aa was issued on by Let's Encrypt.

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.copii.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:09:28:b1:43:d4:38:05:6f:81:a1:b0:a0:2f:81:c8:38:aa
Serial Number (int): 264453488629679695039887484098438060587178
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 74:90:63:b3:5e:03:52:0b:16:79:fd:70:24:78:eb:cb:31:b4:85:9c
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): b0:d6:c7:2d:8b:59:0f:f0:bd:49:cf:2e:a5:b4:21:b2:72:17:93:66
Fingerprint (sha256): 2f:94:95:aa:eb:3a:4b:14:99:b0:82:33:84:49:90:8f:4f:b6:ef:96:f7:5c:82:45:88:66:09:0b:05:1f:1f:ba

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 www.copii.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.copii.com

Public Key Algorithm

RSA

Key Size

4096

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.copii.com

Other certificates including the domain name copii.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 264453488629679695039887484098438060587178
 . . . . . . . . [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 2019-09-23 17:36:01 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-22 17:36:01 +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.copii.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 925893902431236637041388558574488785767420331521334462204842578596841863562070136008959427284164689332940261600707040478712872132019388306073572171837645003720639413057017907439593083854952346532553038797749030214172645241434243111382605264746226404161555888514753125882772859269789381960230541333669976062028306629004496245197696304371150459924647574799822801514531821908308233836914312139101546694316420097535698829233478137838911839349320718991526602065831137396090343774135763457427874459916117900327108929608939318554764424694170239596848973732216709329226630103204976237451453038791143536393525582347617634219527123858140021374948365870617049487242825793925653933474649233900124630388869943371506797937208643377286256079010991145029303811710741309008269001784964727362032159992318655793173364193626710371771440700995865941461468881594952759805557589445181558009966167095154014312414673014344215689882231783763161874367495821451433737654747269804040999735868301331543387570301496225199880937775414359313475393012485265752825475928509598325594810760474031335124790952991102864469171390617361790676080324768774839849790357226926502156988106677530041877959199149587881014181643705917870027823897712808348739401225710701942382157117
 . . . . . . . . . . . . . . . . . . . . [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)
							749063b35e03520b1679fd702478ebcb31b4859c
 . . . . . . . . . . . . . . . . [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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.copii.com'
 . . . . . . . . . . . . . . . . [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)
							00ef007600747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d5f68b8200000040300473045022100f673423be57f2b84920d795c77b32218be8ffca48c22ef14603f4d3439cb653402206d49a259082557553e156e5d43f48751cdd4a28d408944148fb917dbffbd14ca007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d5f68b81900000403004630440220595cf2abe5fcb9a723b23c45c9c3a9571fa055dd8feec1cb0c957f82ed5782ff02201e6a60a1dcf26f3f04c1f67b1ebddd88457c96f56d5b754b7e94de01fa1ef16e
 . . . . [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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