www.42756.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ad:75:a8:4a:65:ed:6b:7e:95:84:dc:82:e4:f6:7d:8a:24 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.42756.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ad:75:a8:4a:65:ed:6b:7e:95:84:dc:82:e4:f6:7d:8a:24
Serial Number (int): 320362100762955996111537826537769799617060
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 15:a5:12:30:1c:79:08:a3:52:ce:0d:4f:ae:9e:8d:19:47:b2:92:65
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5b:94:36:8e:16:d5:be:6f:09:dc:48:36:0b:39:0b:dd:03:2a:1b:ba
Fingerprint (sha256): ca:26:cf:1e:3b:c2:fc:22:52:de:61:b9:54:f2:78:b0:34:c9:db:d2:e4:de:b2:26:96:ca:cc:b2:dc:11:d4:af

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.42756.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.42756.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.42756.com

Other certificates including the domain name 42756.com

(limited to 100 certificates)
www.42756.com
www.42756.com
42756.com
42756.com
www.42756.com
42756.com
www.42756.com
calc.life
42756.com
726.me
42756.com
40561.com
www.42856.com
www.42756.com
www.42756.com
riversidepizza.me
www.42916.com
42756.com
42756.com

Certificate

The complete raw certificate details for www.42756.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 320362100762955996111537826537769799617060
 . . . . . . . . [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 2019-07-26 16:00:13 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-10-24 16:00:13 +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 'www.42756.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 819432902018284942696849912271614081305812082073549635308025355287504439245833535656109865249027555012117376947586430212354258021461072124956633944364048492487904332901487822245664552168921247335939925187892701018709590623213374867678702950266510196389175599416503412983217464858107650229475046573031813059408941099594926825101399481345656027784058586150468928288361938179689097483216013258854757994414777382424841761657893385416504942591537994376083474251828022322278954479765643728596766914957482322396947893631093801190227286841068029511281225272894955255475348910324067435779007263229879371448003284675452409183320053174809743326063486120492886622232451982475538782485318106302691359796054668535382405531869840101911770195952270974471711583780476372402361393501327444282169588542016474256056331167269365822540654821641948503263956814964817004368301567963701268553099520705579897863610597609085126994629553828749429636542580651706298701849832088118523073337436991348542128207838225292744104386736107626756274259749087857365724374713985309789768336465321833113072795572571901816457756418298713343672471825608895085507544422978180484568267641630654674502817165917979964847438618651316539169838586392387432919929617942894766094654801
 . . . . . . . . . . . . . . . . . . . . [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)
							15a512301c7908a352ce0d4fae9e8d1947b29265
 . . . . . . . . . . . . . . . . [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.42756.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)
							00ee007500747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016c2f39d088000004030046304402202a5da29e45d10e1cf5ac3a901f58713584400eecc9aaafc4b789d9ef496375c3022075eb79e4ee40c4c598bfd1342685a9eece5e1971a674251995920c7f2438dd1d007500293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016c2f39ce82000004030046304402200d11f12603ebe204c0043b917584dd8308a220eac83a201fbfd9689a462bde6302206fcb4750cea73e06e27dd9cca5f91f229680a3062f4c8dacf95aaf14e11aa393
 . . . . [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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