merchant.ac

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:1e:10:71:dd:4e:86:6b:fd:e9:65:e4:e8:bc:cc:25:ce:5b 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=merchant.ac

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:1e:10:71:dd:4e:86:6b:fd:e9:65:e4:e8:bc:cc:25:ce:5b
Serial Number (int): 271567187669020387561836116403155158552155
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4c:1c:4b:97:f7:14:06:47:19:9f:5d:0e:bf:56:4a:c1:48:39:e2:4f
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): a3:6c:b5:69:e5:11:f1:04:a7:02:d6:41:d8:65:0a:0b:70:21:11:e2
Fingerprint (sha256): 50:1e:08:ef:91:e2:77:75:3e:e5:ae:e3:51:a1:86:d7:10:e2:28:3b:ef:ed:63:72:61:24:d5:9b:44:60:50:88

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 merchant.ac

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for merchant.ac

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

merchant.ac

Other certificates including the domain name merchant.ac

(limited to 100 certificates)
merchant.ac
merchant.ac
merchant.ac
merchant.ac
merchant.ac
merchant.ac
castelnuovorangone.org
merchant.ac
merchant.ac
merchant.ac
merchant.ac
merchant.ac
merchant.ac
merchant.ac
merchant.ac
merchant.ac
merchant.ac

Certificate

The complete raw certificate details for merchant.ac 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 271567187669020387561836116403155158552155
 . . . . . . . . [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 2019-09-30 02:07:50 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-12-29 02:07:50 +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 'merchant.ac'
 . . . . . . . . [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 875473851122641265272024657097769860477660951269184784949169565068236284982822845671722783579452524050334506780313411380022697164107534305209635471879865706604874972771747803425273176325789618934572527619943427910719660157805349678823914127523060025766102248689398397921829189124469713862157808607017022035304477730934786963330960944787450851261504851226393934316641389084395578321085238148525576163359605156285850198412989780687737264002857253765086726186825934594175354234604868053604858427642221684213729943886995981305745517926313555998865755514261762854303065109503169581313187633929163812677897674470168176885785802676314952548428099296773329170764007886994864291653372254020187970811186400074937531612831216055502224020267498900578833716118894007093857208163338615867450583839591827412547632066105045679497375032338841140641087910671522937214851222176664373456213974818132219139863643628308361720821049840285908434812349421217755385342396531702275458573223323865975394268178324541139144050805815268040459251685889031026034137374269518128021750781047939355276765315456547613517390517290921438725281264717703202119904154280350340712544201985863022705690443492384992588811209358887677821878811664628822379183301005550874070030771
 . . . . . . . . . . . . . . . . . . . . [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)
							4c1c4b97f7140647199f5d0ebf564ac14839e24f
 . . . . . . . . . . . . . . . . [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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'merchant.ac'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016d802375fb0000040300483046022100ac49813e20a078710840b1a5ba6607b37a6805dcfc9a6186cc065226496b64f2022100a898bfac4fa303db2e7b1c9248bd770d2b281b287667004e4c365c4ac65bcd30007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016d802375e9000004030048304602210086530d43837ae88b04f383b1d2c62ae0df16ee669170985bf030ea4df85360e6022100af31d044f19368a6a25dfae6562f3344b837e8620e908779bceedf421d836caa
 . . . . [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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