lmnop.co

Issued by R3

About this certificate

This digital certificate with serial number 03:c0:8d:2f:1b:c9:15:93:53:4a:28:33:fc:8c:ce:8b:25:95 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=lmnop.co

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c0:8d:2f:1b:c9:15:93:53:4a:28:33:fc:8c:ce:8b:25:95
Serial Number (int): 326858737993015546454405939839436585641365
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 8e:ef:79:b8:26:ab:c2:65:ec:d1:81:97:cc:17:b8:df:8f:52:68:07
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 6e:af:d3:89:22:8c:da:49:40:50:0b:d9:2c:4f:ff:d3:0b:67:f5:13
Fingerprint (sha256): 0a:60:d3:c5:df:7d:75:82:0a:61:13:66:fa:94:6b:be:f3:d1:f4:03:4e:2b:48:d6:da:36:37:ce:4d:87:1b:e7

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

Revocation information

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

Check the revocation status for certificate lmnop.co

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for lmnop.co

Public Key Algorithm

RSA

Key Size

2048

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

lmnop.co

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Certificate

The complete raw certificate details for lmnop.co in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2QuDRyYyjU/n41SsY1tD
BrPGl1KQrXzWzFrgDp4sAQSqFCIJBiCD6Gi8wT7A88jA5YtqXHg3lbOveMA6hi6D
epellrD044bmRKm4b0fm133mf6Ae805ux083daAjWdhi6J3EpPKMT+YoN5SkTt4s
1Qj/EJ1lwlCqjJLKYngRRDjavzNY73boupld2q2STUgbr9bW3vDe4BQFgaYgGOmK
JCUWEUsm+JulNgNYSbgLd1n7aMJZKDGZsqoD2mgfZn3DQogFn0peKBHtEvFZeLO9
SuXTDbtkDt+k2vm2xskWdlA7exmTDHze65Ejj4zQaILd8npiBNLysLuxaID15+sF
wQIDAQAB
-----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 326858737993015546454405939839436585641365
 . . . . . . . . [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 2023-10-07 01:13:30 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-05 01:13:29 +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 'lmnop.co'
 . . . . . . . . [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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 27399389353075967064539974009648542784532112264647776762561788028132325842899493674371968706071328685278421466551853038045280420087822815314112650022882613927574653770143720593966702510977951096462282162070495859321461912242595433095312448889060548516021844979464314656191642864400472603140512144531595698771760557555805225074685873671885135675621610832535003883890061455290157154717691267101465451110079506562107229931102003196898958183277310655936527139795691359313583067937930293786460755225198437232363982523524889477042360523468132038988084977964455028530242146073735947522648944016278335516345207789997966165441
 . . . . . . . . . . . . . . . . . . . . [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)
							8eef79b826abc265ecd18197cc17b8df8f526807
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lmnop.co'
 . . . . . . . . . . . . . . . . [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)
							00f1007700dab6bf6b3fb5b6229f9bc2bb5c6be87091716cbb51848534bda43d3048d7fbab0000018b07e9484f000004030048304602210096294d281706d07f963b3561fec79c29350a85cea64b61752fb6fcc1f925367d022100b9e5580e0ca8b5c2d7fab66974aa554c7d5d12fc3c05eab855bbeda3c87ca5dc0076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b07e9484800000403004730450221008f3cbc69a54d51bef47a58963e64859d98572c051cf125e6a9aa8b4f908f586f02204951d3a0339abd1f1f9842d5c76e4c97f20930252f0282eed3f5128caef026e4
 . . . . [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)
		00ae19a6093b5ccc405a7931866f6e9dc6330e0b369eb66fbcf721283efdae5d6b784f4355ca5fd40b81f6307bd87ff672d0821c7c34c977bb2f60e243393218a0675eb2d89f4670bfe368587e2f84b2f0ca6bcda4171ef606cdfdfa349a5d72657c4499ebb1967502628aff378cfdbf1d8c80c6de4eac996077589f810f8a50c00579eb41faaf9f84c2a74dcc587c0ab5d4e4009389b3adf82e84695266e24a927c2ac360f70222711a973989f063d6292b84d65efe55f5fbfab2b556b537c46fbb05e18c8f88acf8403a37b777f7fcd57a1e2b7ce5c7d33ccde925589ab98aad1392329ab1c74139afe1f843cd870db24078a1b642f109cdcea9ec39787a054c