tezers.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:e8:38:eb:0f:3b:94:71:5e:3a:8e:0f:24:8b:83:d2:36:56 was issued on by Let's Encrypt.

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=tezers.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:e8:38:eb:0f:3b:94:71:5e:3a:8e:0f:24:8b:83:d2:36:56
Serial Number (int): 427470310119180967561544249583491282515542
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8b:a9:21:5f:cc:a4:0d:08:e5:9e:91:62:1a:02:cc:71:15:bc:88:de
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): fe:23:32:1b:6f:70:7a:d6:cd:30:94:bf:6b:32:c9:6b:fe:2e:8a:32
Fingerprint (sha256): 39:3e:e8:b1:ad:9d:47:fa:8d:2e:68:02:b8:bd:bb:7c:e6:e9:9f:8d:4b:90:66:50:87:a1:ee:16:12:be:ae:05

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 tezers.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tezers.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

tezers.com
www.tezers.com

Other certificates including the domain name tezers.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for tezers.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 427470310119180967561544249583491282515542
 . . . . . . . . [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 2020-01-27 14:29:35 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-26 14:29:35 +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 'tezers.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 880829081881687799505521641870937585132951063877045794893895667577888430041461490518531267339624087264329280472585652914553621380033819962927655529019100030740146315608962690903124043123152917425321207643401563456209564560782628040672970659783097275163468152866774276778737905382532042009900192866789274109399185988873571552383775359282738843611275779390709916017794070083898585127924858774913791472578649857764472216750287856929697730476851648964576806422259836055538871746578367923066548202866803369591678279492535768706798585533794104985880099089450012233449970129200523941341264616870353679470598437951633227507309440063531886027171587259520981448131503913180917871247227151756254660115178439752884389690385680249447982606705576820658537558115202851538176995518129571537830295498073299058713966525116368759791330765925484044489357297851522624902804276472859413219586154846552243658746142288395030030148238593255934323875427701172585325516088987749378096244484339854372830370497420979947904868903189274328130091487563050818862174250388294807492085076368965620661622315909530674313154745701187074548774146356576657449051296319888357907584725925731213529266535520203710109973038329831958398303473946785769649803047382534867455259333
 . . . . . . . . . . . . . . . . . . . . [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)
							8ba9215fcca40d08e59e91621a02cc7115bc88de
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tezers.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.tezers.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016fe79f5115000004030046304402204a5504a79cb591b61edd397feb3bb5a7b56e892c763350dea59ee4126a68ae7502205c4a35b3ba071ccd43148e8c3d995d55d52011e6c0b916931f41a0bd471834fb007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016fe79f5102000004030046304402205779ea6b5b60746364ad09c0561ca1e618bf0e0a3e2903df5ffae3676cfa19e202207226836200973070c96d48feb4bcd8d1f42b7caa03f58c99f133c6b08fc06187
 . . . . [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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