www.zzatt.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:e4:a1:bf:04:f1:19:e4:0f:7b:18:f7:e3:50:82:64:86:bd 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.zzatt.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e4:a1:bf:04:f1:19:e4:0f:7b:18:f7:e3:50:82:64:86:bd
Serial Number (int): 339136234989507699631118710002170240206525
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 37:3f:94:b5:81:8a:b0:f9:24:54:a5:7c:96:8d:29:44:30:d8:eb:50
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): af:dd:fb:d9:1c:06:c2:ca:57:ab:7b:7a:05:40:2d:8e:79:d8:91:d7
Fingerprint (sha256): fc:3d:bc:ce:bd:db:f5:2f:e2:0b:fe:d1:5b:97:15:cd:0b:19:5b:61:30:77:ef:21:ee:85:f0:9b:36:84:94:aa

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.zzatt.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.zzatt.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.zzatt.com

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zzatt.com

Certificate

The complete raw certificate details for www.zzatt.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 339136234989507699631118710002170240206525
 . . . . . . . . [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 2019-12-18 09:42:43 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-17 09:42:43 +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.zzatt.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 836239125279925961476781009788685905765930272349168966387582118957066416052171580826593196349032312614680849688163475739106883245841779311514132799883871950926235458228711614668360837160383878233037290657307174642662970934232292228317765547663676550382364629302583009030263721425173114222990821765942611280759108926652014644261348678680921417236901345225167967416052378158293432484458384771479717365969821797456793134055798137480907933708824063629435771770935835586565545933475734629102418847545367904536793687934034744349580606210390574016349574504488946056842288962538502186730347779219241085347985029554214776856860926579583875005780122465926256741733961072548543516420237676142990251846844320915735483596954791831255391323134141488196813385878600759580782949862246915679109822503948603881845019044164188793014667523047094963721101488197235639319192117146120487043720348621244527572259526913118470352695010036853304553484337632283833821592263751605471787580033664228774969715664080726773634178417098342865480728720643085286683308209393217544579874452585086958517028144197486588312104941576945790640632123790101169760666711707061438489237015339650182022297984705396227096964246783714889999815811711610404960199387781595360292889563
 . . . . . . . . . . . . . . . . . . . . [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)
							373f94b5818ab0f92454a57c968d294430d8eb50
 . . . . . . . . . . . . . . . . [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.zzatt.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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f10077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f189a4fa8000004030048304602210087a5701288c13ee502cbfaf6a3d39f6d94144fbaa4e1b544d5afa7a298827a39022100d8cb2631e6a7145e0cdd8e1c94204528e3613797995a1e93ef9eef2ed612b283007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016f189a4fd40000040300473045022100add3840c0e0d99ef81004157a9b5e7c37dbdae30b8a716c60039465a8ade36f002206728918fcdbbb9b6655b7ee17594849a9554b8eb8d5edd9c1a6508f8dac72605
 . . . . [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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