covertest.com

Issued by R3

About this certificate

This digital certificate with serial number 03:9d:98:1e:30:bf:bb:25:e8:8f:08:cb:6e:7a:a4:dc:94:30 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:
  • DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
  • Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
  • Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)

Certificate Subject

CN=covertest.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:9d:98:1e:30:bf:bb:25:e8:8f:08:cb:6e:7a:a4:dc:94:30
Serial Number (int): 314963388814879301501955874711347801134128
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 99:77:7f:f3:9b:5a:a3:81:7f:94:33:95:e5:db:b7:68:d3:b4:22:d0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 39:61:be:4b:ec:a9:03:32:2b:f6:d3:e9:74:5d:b3:f0:a9:7b:27:4a
Fingerprint (sha256): 2c:53:1b:c8:98:06:98:e3:7f:8c:b2:65:b8:67:84:b0:d2:63:9d:14:7c:b8:cf:8f:3f:81:f3:49:36:39:6f:9f

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate covertest.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for covertest.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

covertest.com

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Certificate

The complete raw certificate details for covertest.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 314963388814879301501955874711347801134128
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-11-18 14:17:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-16 14:17:13 +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 'covertest.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 771260192504452736035910679761666973635009997353320067134190580759646238489301591942477591002366819828227702274850426027441331272600255387993679600767139435115280448966287537077626150762643922521357702986252996209031019669813026281649348600229176724657179542676390668527398234265468389661998081348778271165118122664609438613652656606889823242094741109087351300329457058345681367074034617948318065359463871688866595867698219094102497282924642916509851008605465378119419236083384684950484241017559173616745497523085262819217371071447556948749167726884881142057282042760129663111370950073911472882211309943234790054362894655988201110864595304784112664103372757396540235624790592905809055508948069535287776775584022619685953231996325409919758995753131146348305692310680214247084275259568680661747282031534483988332275373295367195559947009765091328636689952642449166754818785902426217645704886449571967400494303160170594494736632571964137832078922124350590825822656592492452099080773122840162848688592104813709099403784938690575369518442611609574573069362106032919434438812627471848556435110827443754422467575893194112981609462695581351341172333735956951880574981159191878041125092122899144027416287982440799865203650219506391023961929223
 . . . . . . . . . . . . . . . . . . . . [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)
							99777ff39b5aa3817f943395e5dbb768d3b422d0
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 'covertest.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 (12 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018be301e81600000403004730450220686e9bfb3371bee88b459b485e3ab729c645d23d5c15db32bada23c0de70fb20022100a38e738baa1ce259ddf3d62360d12096a0c437924865e7d19b649d619e93cf22007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018be301e81d0000040300483046022100ab62200729343a28b71abad24949a334ddb6aa49ffd90c5db184775104c4cfe00221009029f3aa7a4d97496255833982f39935622a84cd45b6b32c34454f69987201a6
 . . . . [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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