41324.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c6:e4:dd:67:62:53:37:1e:2e:69:a6:3b:d9:78:7d:0d:62 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=41324.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c6:e4:dd:67:62:53:37:1e:2e:69:a6:3b:d9:78:7d:0d:62
Serial Number (int): 329016980023149555713330210776069051321698
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 9c:eb:01:70:72:e7:c6:d8:60:c1:a2:e3:4b:a1:4b:58:f2:cb:05:5f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): e1:c9:be:8f:38:1d:3d:0a:c5:af:87:51:20:24:66:52:d3:7a:2d:64
Fingerprint (sha256): e1:5c:47:fe:af:2a:bf:c4:af:dd:8b:2a:eb:47:36:61:bd:6e:a1:3a:5f:66:58:1b:c6:c1:d1:03:a2:8e:a8:84

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 41324.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 41324.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

41324.com

Other certificates including the domain name 41324.com

(limited to 100 certificates)
honey.organic
41324.com
stileveneziano.com
71810.com
villasanta.org
www.41324.com
71974.com
41324.com
41324.com
41324.com
www.41324.com
www.41324.com
35720.com
www.41324.com
41324.com
www.41324.com

Certificate

The complete raw certificate details for 41324.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 329016980023149555713330210776069051321698
 . . . . . . . . [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 2019-05-28 02:59:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-08-26 02:59:50 +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 '41324.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 905172687138814478789277807222418508606793505096871207473476799862698885065095944298943420910897151549844233026831057946642044838361895090513536475108345180207463611436096652277577260527748073782413311653491684241322816421779617154200519081701910877308253119941411899377184792039839945373914634555968148571450688276427563001527580413142085870802648475525350752452256425625446542081097989650479589471094967135786260707664819984908977659674344057550236777752299382581602261176628420720392435246915417113127947350370457460048574405965627074625029902891501146707022719073963516361950316540817509428102029606911108040775260025474468575078063618118279624614970989056272179511336278305804177500450747004705778568623410659634385333496409572603490854675799717641050376244807610702022079616085978697598653154785169860828252091230879482795398321731407619794597173905012389509021713860457023660364722919315101249178596540011927468324941556008736797824751642723818271767154562900086785650021350206619210057103881777271364295918259300575593717039151932088937670261845179344913158322364196450980727292418045872488312521407149533756675803539882813435880067627229273186598714231890563164327217443418033487811133039210442242078758059553407714505813343
 . . . . . . . . . . . . . . . . . . . . [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)
							9ceb017072e7c6d860c1a2e34ba14b58f2cb055f
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '41324.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016afc98267400000403004830460221008bc7fdd5c692fab1699c28959bf7769e176cdb9c1a0666049a7b015751331ef602210089cd25cda3b0b8e43f558a6c507baf0862fde6d81e870c70470929cc88c65e15007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016afc982857000004030046304402203026accda3a0f6e77769de8407c6c73593ddc9b3c22232b24029375bdc8e49df02205497b9fb37b4b780b1219a329a614b6923b0aedcbfad9f44b6d614692bc7db8a
 . . . . [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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