42962.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:01:92:f8:9c:28:5f:a7:e6:f7:e5:be:f4:bf:ea:93:71:50 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=42962.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:01:92:f8:9c:28:5f:a7:e6:f7:e5:be:f4:bf:ea:93:71:50
Serial Number (int): 261872498306461821485524159357644350648656
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 52:62:44:0e:85:0d:22:2a:18:8c:d8:27:31:ea:aa:73:81:b9:1b:f0
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): ad:48:73:0b:10:05:99:7e:db:17:12:c8:7e:c7:f8:cb:7e:71:5c:3c
Fingerprint (sha256): ef:f3:b9:6c:c9:c1:a9:c8:b8:9f:00:48:e0:a2:91:6d:dd:46:51:cb:4e:9f:22:32:5a:e2:9b:a1:6f:5c:03:25

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 42962.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 42962.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

42962.com

Other certificates including the domain name 42962.com

(limited to 100 certificates)
42962.com
irwinton.com
www.42962.com
42401.com
www.42962.com
40562.com
42962.com
42962.com
www.42962.com
hwl.asia
42962.com
42962.com
40952.com
549.me
www.42962.com
42962.com

Certificate

The complete raw certificate details for 42962.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 261872498306461821485524159357644350648656
 . . . . . . . . [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 2020-02-02 13:30:27 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-02 13:30:27 +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 '42962.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 963611935537889972280141901327600234387643598277690928479382199326668799934998544095270859183791717005448303474097087361040511653050550926506638613465396661623130012502445105244542779680237271446531580784581749909046611413733007210654556103263224481111032733727681309097401690953195483514098110464346796253629734067148251550245431242457497754067381484728338933616273091617166846775963828217176042429231251209866771699225418824661286823068726974704580750824833814981815563545161083829520915011918740365252610083777438567260007131823675751845805397029451991429836214631904125296174548416194434928264818819758727968613740407650421490599374710860587261574747095458568828801936970134284912348587835959497801990353301081516714289713575189327881174498228062684435870654838669813586303720328497843092614940694530744605775093248353581035847079245979532779786993375978700862959456740034480106052528529999744357511694698450620016674180598274717204377686384319427659854620018288474346698348881044897782108141349969512000074757270135679564975754063816366847531740707057701084433700754497229941057040530739118823924775975817802754804034801561301626580887647319103664747515484075257069136548989314079058922881177998177534168691881696136747182191709
 . . . . . . . . . . . . . . . . . . . . [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)
							5262440e850d222a188cd82731eaaa7381b91bf0
 . . . . . . . . . . . . . . . . [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 '42962.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075005ea773f9df56c0e7b536487dd049e0327a919a0c84a11212841875968171455800000170064f5671000004030046304402204adb00a4e4acf4833edaa9d9e413fcdacabded39c82b3f045fdee50204f55b5502204d4f27fa4dd6383df92c246188af600ca2e55f9e7fbad9ecd2ab6a27fc18dd40007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170064f565f00000403004630440220251072712749afc48e445b1c9db472483a60f6863c5ffeddc294597b2631c9b9022043a6c239fcd7f3d6e3f72eac9d8724729d24eedb2f322929baf9d3bbb1ce5c53
 . . . . [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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