www.zinglanguages.com

Issued by R3

About this certificate

This digital certificate with serial number 04:9e:16:e6:7f:c5:55:96:18:24:a5:e6:6e:0a:8a:52:71:c3 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=www.zinglanguages.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:9e:16:e6:7f:c5:55:96:18:24:a5:e6:6e:0a:8a:52:71:c3
Serial Number (int): 402244197536234450331060039365056277934531
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: f3:ca:8a:71:9b:9b:a9:fa:51:09:ec:56:24:97:79:e5:91:25:01:10
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 5c:a4:d7:85:9f:2b:ee:23:9d:df:7b:8b:e4:46:e3:24:9b:b9:3b:b6
Fingerprint (sha256): 29:8a:b7:34:52:02:fd:5d:07:ff:e8:4a:0e:04:be:34:79:8d:f5:03:c8:52:7e:f4:8c:1f:12:0c:ac:41:e8:61

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

Revocation information

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

Check the revocation status for certificate www.zinglanguages.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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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www.zinglanguages.com
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quiz.zinglanguages.com
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sni.cloudflaressl.com
sni.cloudflaressl.com
email.zinglanguages.com
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 www.zinglanguages.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2BEKFaMQ/Mq5E30kkD9h
DxUKUOXXC7AQFXv/o+AU2m9GgSQ3X6kN/l1NlHheqPeeyMd4dw2B6p6jJR4U5eIv
j6HmHt04HWwz0cmIEHkyb2WBdRmiwvCiu48oZqdSNevXK428LoNHPevnYmP36n1u
zi1AfQ7ip7tu3Tjc+VygLnVn1sIVcFqM7GjXq8gF0RQCSQ6+Iu4F32qoPPLeif1P
PdLJBXPb42LlrW1eo8pUrmvaYsgtY73jD+y+sNzxVlAuUdgSK64A7/d0R09V//LN
4soQCTDFioRv/gR5B5KxeEqA4TyQHntmE/OOKk3EJr3IBxp87fRqUgyZyOfDDXG8
xwIDAQAB
-----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 402244197536234450331060039365056277934531
 . . . . . . . . [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 2023-04-29 03:42:55 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-28 03:42:54 +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.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 27275876310349531550867236195683861758169618024640746626727329736166156472848834217499519472870174614893468626806434359268795961759387356797685217406814921708107433067231573580802845451666506769150665673887594376635258993366395800128356510210081194834115297358080122417742523180781937463583076317857909549346176622004609679883320929963003155464379158275487139568913631005601068031091512017293684463217431721920692755115006195186666697722187977966872634381065318190175040633775795847192808837270584515138615714850463754731352098969113280713087976267034376826190211071603373833663474238363139711819876604454705604705479
 . . . . . . . . . . . . . . . . . . . . [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)
							f3ca8a719b9ba9fa5109ec56249779e591250110
 . . . . . . . . . . . . . . . . [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 (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)
							00ef007500b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb49900000187cb523568000004030046304402204f9e04bde62f376702cf580481aece83ed1545a22f8805151da5146a693b3750022061a0f75a0c08593a3d25011d2209a962df688ce3689ce21745f98f11c3a437c1007600e83ed0da3ef5063532e75728bc896bc903d3cbd1116beceb69e1777d6d06bd6e00000187cb5235790000040300473045022100f9ab10fa83ea495c51f2c37fc01e6228e5d0fa706865f586c736973f1adb0ae5022059bc8a1cf7593b0d314de747165cbd29c444cb36abece90f35c784be9ff50926
 . . . . [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)
		0028322df81e0dfbaa3dc5c432e3a9ea55384fdd6242dca20ccc61f92ee18b9982a9eb1aa6a5bb5f11298ad0befdf002962393bb8401a265822b4016a3223bda745076b56cd07d3f5b30f57b5c9436818ddb0b955ca6ead309118af9d401edc8e310c22abd910d93b289e24363ff972fdf153ae187e5a4552f19e3485b4302e7e4fd9d60f64e883f1a7bc5d8d447a606d279b4707f96998c772099d1ff931260d422d830991ce10e750f9985c6ecc710f9ee54014072841f38cddfae783eb824f00d7cb52b2fd5a48a26c9578fff25024d7ecc2ab85f98bbc33dac31332a9c282f832386f7acb146819cc3b7fa5bef19844dd63fecb7fd1fc1324e6c55152c5bd1