zinglanguages.com

Issued by R3

About this certificate

This digital certificate with serial number 03:d9:d1:76:9b:4e:5d:27:e0:ec:a6:92:9a:20:9f:ca:de:e4 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=zinglanguages.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:d9:d1:76:9b:4e:5d:27:e0:ec:a6:92:9a:20:9f:ca:de:e4
Serial Number (int): 335456555909254856596838461290124512255716
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: e6:44:e7:61:0a:84:22:63:71:2e:33:07:c5:db:55:77:84:cf:b7:8f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a8:b2:b7:87:f4:eb:82:6a:19:42:46:99:b8:4e:27:cf:48:7f:f9:73
Fingerprint (sha256): 99:79:f6:4f:42:8b:da:2a:46:41:56:26:12:21:90:dc:9f:1f:34:04:2c:0b:2f:46:e6:a0:32:14:e5:5f:5a:05

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate zinglanguages.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for zinglanguages.com

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

www.zinglanguages.com
zinglanguages.com

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sni.cloudflaressl.com
email.zinglanguages.com
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sni.cloudflaressl.com
zinglanguages.com
zinglanguages.com
zinglanguages.com
sni.cloudflaressl.com
sni.cloudflaressl.com
sni.cloudflaressl.com
mautic.zinglanguages.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxk/m9wlOpE3UFTBKxQZ9
zluJ6qYTJ/oI8H6ncQlpZxM3c8h0b1WWQUrEDwS9zjrNm7ReOTe1tneIXROm1Ma0
3IZYqPiDNQz76WNzjomq6YDGWh52SSY2ROkEcyzAdlZKJKaS4/5QQYRGAxvQagNm
zZA/vxUNk0A5TL+LMiKl62QUNXb+aVlrFimo88dvHFKZOCT0QiznArxKPjVBe2ML
X3cQEjiP8WESxwUT+Q+2IRHkNglNW+8SxF4uZ2ltoMq27z47WkRjkndOf3im7LlA
Uzhf7Z4LXF4ho7aIkPHkbxac1TUni0nPG4I6nwZqPzS1qcRPjz+PA0Ztckr6Vuxu
fQIDAQAB
-----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 335456555909254856596838461290124512255716
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-28 05:43:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-28 05:43:13 +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 'zinglanguages.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 25034585630043877911878179310174850024278806380260240735976595526972961719584899594993328177303104088997896036734159861498057546180744274368543934815149259480534191807875498019310509544824271003885429816787675200784399933963775326154069889363809706413331940820199081815727705483996862887889684948554928676973496588384268630221908278368269363325976166958486520750698925099176252900390059715100134278439900909040819654044041940326584570028099745996092593567712190146662154457663032059472864693452677439175861884933783009976649712610909004728013817439101666432917682393220593678363117926566536062915039271085042310082173
 . . . . . . . . . . . . . . . . . . . . [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)
							e644e7610a842263712e3307c5db557784cfb78f
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.zinglanguages.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'zinglanguages.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018dee73f8a00000040300473045022100f77e73a69e126d8e17924f59dc054be82ce303e5e65495eaf0453ebf8dc9131a02204e85e64b11dceca6d1f2ad56da1878658bfd7e2e658dfe3fc240a576015792df007500a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018dee73f8da00000403004630440220283b14b686612017305c6656902bdb71334214c79a7b5eaf7387dde76eb64af302202170c0bf18baf5993ed31856655d33d5329249f14551f2877c319717bbad3d99
 . . . . [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)
		008655413350be64936b731e9c2ccdb00a28a6db5e2a7efc4bf3f701745149e793d59ca2f7e5f1be93c230b71e81193954c52eede5991b9a4a039534e04415ccd4e58f21d1aeb763afa918515d6b38563ab43440f1b9395caee216b9210a9561b2dab81a1eb0a488e621931aba9358d1baaf1d294e8249a4b08bdb140f8b7cbf45ee18c0f9c0f9102b0349820bc332b60e1135dfd6b01eda32bf06108f8c847bd29fafedeb819da786b2d8abcae60b7d4a914f3214bb8e6bb2bcd7a62d7e57d595f488f25f39e31fc661f10fed30943ee0a8b6e8280cbc8ea9a81021e7a748ee186131b7033cf415c8d7638ba0025f646e118a010c455df88ae1571a1393efe8c6