test-sz1.speak-up.edu.vn

Issued by Let's Encrypt Authority X1

About this certificate

This digital certificate with serial number 01:61:21:f4:88:10:62:60:b2:17:d7:a2:17:be:1b:a1:4c:ad 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=test-sz1.speak-up.edu.vn

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 01:61:21:f4:88:10:62:60:b2:17:d7:a2:17:be:1b:a1:4c:ad
Serial Number (int): 120164809727091465450036052449228262296749
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 19:35:f0:2c:8b:df:b7:e9:42:0b:7d:70:8b:26:42:e5:46:7c:7e:15
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 7a:10:5d:17:f3:39:e0:c5:88:ec:48:f3:77:2e:2d:f9:c7:52:a6:df
Fingerprint (sha256): 22:d1:65:2c:e6:68:49:20:7e:ac:7f:de:dd:9d:49:b7:b8:7a:28:3e:86:a8:6d:4a:ff:c0:5d:67:80:09:32:8d

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for certificate test-sz1.speak-up.edu.vn

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for test-sz1.speak-up.edu.vn

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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

test-sz1.speak-up.edu.vn

Other certificates including the domain name speak-up.edu.vn

(limited to 100 certificates)
placement.speak-up.edu.vn
promotion.speak-up.edu.vn
sz2.speak-up.edu.vn
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api-szo.speak-up.edu.vn
wizapi.speak-up.edu.vn
sz1.speak-up.edu.vn
sz.speak-up.edu.vn
sz.speak-up.edu.vn
cantho.speak-up.edu.vn
hoctienganh.speak-up.edu.vn
wizadmin.speak-up.edu.vn
admin.prep.speak-up.edu.vn
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www.speak-up.edu.vn
sz1.speak-up.edu.vn
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bloghoctienganh.speak-up.edu.vn
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bloghoctienganh.speak-up.edu.vn
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bloghoctienganh.speak-up.edu.vn
sz1.speak-up.edu.vn
sz2.speak-up.edu.vn
sz.speak-up.edu.vn
speak-up.edu.vn
placement.speak-up.edu.vn
sz.speak-up.edu.vn
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m.speak-up.edu.vn
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event.speak-up.edu.vn
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test-sz1.speak-up.edu.vn
emailhoctienganh.speak-up.edu.vn
sz1.speak-up.edu.vn
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bloghoctienganh.speak-up.edu.vn
hoctienganh.speak-up.edu.vn
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test-sz1.speak-up.edu.vn
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emailhoctienganh.speak-up.edu.vn
www.speak-up.edu.vn
bloghoctienganh.speak-up.edu.vn
api-szo.speak-up.edu.vn
sz.speak-up.edu.vn
sz.speak-up.edu.vn
sz.speak-up.edu.vn
api-szo.speak-up.edu.vn
sz.speak-up.edu.vn
sz2.speak-up.edu.vn
m.speak-up.edu.vn
promotion.speak-up.edu.vn
wizapi.speak-up.edu.vn
sz1.speak-up.edu.vn
speak-up.edu.vn
sz1.speak-up.edu.vn
speak-up.edu.vn
api-szo.speak-up.edu.vn
sz.speak-up.edu.vn
speak-up.edu.vn
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promotion.speak-up.edu.vn
sz2.speak-up.edu.vn
api-szo.speak-up.edu.vn
cantho.speak-up.edu.vn
speak-up.edu.vn

Certificate

The complete raw certificate details for test-sz1.speak-up.edu.vn in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoeMnBCTa8xT95PcvAaxO
ge8vCFvA3Iyck0m0auGhbxcWrNW4h4HzbGQGp7MnSEp2VtXLjOJk21wGkaqcOJLf
slYGBh6WSzLZsSZ6f4CK/27nSmTuqYCH/kVWD8c8xYuXa6DnYRQufJ7BOn09vq24
F4v0PSNTaCRy4BXvg9mTj22CbOs6G4abl9hVkazFo1QhC3qormLxJP8viQdWs5qj
4T6EMbf6nKblno/yBz9nwYB6WXuoRC0CzT2TsiVOwkuqZChFTBVQWEPNuKsahscB
4xf7y7mHGGXyK+W3zuCRYg5Vr8GLR4HnzSpLvBIMVDQI0kGKATGzDaGgUIoyVLmn
vwIDAQAB
-----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 120164809727091465450036052449228262296749
 . . . . . . . . [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 X1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-25 14:31:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-06-23 14:31:00 +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 'test-sz1.speak-up.edu.vn'
 . . . . . . . . [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 20436380126200889595547774794124918363462410243883569629136354412984231934945740125409248870629075015007156376143265707356367077417281454640254303410520221699743613038275231085864063591594966716873199614818287138606166627830804972483876628843191427399395373161823532846797752454062448804001924448473769680500292969458020167655771602916007377759356451774135274481333838012495366369763800952141486573742902905088526667419060085267864670796225126643921054510945943559622419489580876490240930043442880393894185396193554368438874874187791809509424420114410352208500308276342021079727375783043765531188909695628246999738303
 . . . . . . . . . . . . . . . . . . . . [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)
							1935f02c8bdfb7e9420b7d708b2642e5467c7e15
 . . . . . . . . . . . . . . . . [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 (100 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-x1.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-x1.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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'test-sz1.speak-up.edu.vn'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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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