minefield.com

Issued by R3

About this certificate

This digital certificate with serial number 04:ff:24:5f:1e:c6:6a:36:23:19:09:51:bf:96:b0:09:83:80 was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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=minefield.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ff:24:5f:1e:c6:6a:36:23:19:09:51:bf:96:b0:09:83:80
Serial Number (int): 435269493392122447695859810716506108035968
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 55:30:e0:ba:24:d4:b1:7d:4d:74:21:8a:69:ed:ea:c6:f9:a1:d3:8f
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 53:32:33:21:d7:ac:e7:cd:75:e3:01:32:a8:c3:b4:33:66:32:b4:63
Fingerprint (sha256): 2f:c8:49:6d:2e:a6:45:11:7a:32:ae:d1:c0:69:84:11:5e:cc:6c:62:32:b4:1d:42:bc:3f:8f:9c:06:bd:9e:c0

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

Revocation information

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

Check the revocation status for certificate minefield.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for minefield.com

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

buildingscienceleadership.com
egriffe.com
minefield.com

Other certificates including the domain name minefield.com

(limited to 100 certificates)
checindependentschool.org
exchanged.media
fontinalis.vc
minefield.com
girlify.co.uk
ranchogabriela.org
potstocktrade.com.nationalchristianhomeschoolleaders.org

Certificate

The complete raw certificate details for minefield.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvUp0U01qxw9JMfMne+GB
XRZiMUWxEGCWcdTtPgC6D2iAUiHTWOa5bw4Rpws9sU7Qm6nUpwv/YoT9j0c5OBgi
g3OXcuPztZBoE2Xql5fIEDtp92gX0+GQTgd3EFK854ctUKj+WMEnaDpv8lw9D58j
AKWHYj9g2GDEpTC0oEYX6H6EP6OYbPPTMyU+ETcQX/qCn/XT/4uJEP/IuwVXISya
LSLOBvi0VjcKfYcy+2NXHZWZCL9XOs8MOTWxVvAyjGeyVgq4rMqF8Jds0tp2gi44
OlcnnBo+LCelWXVU0ZZN2onvv69MFkJgwp0v+NZ1E7ExHG1une8hPPxtcjthXpqA
4QIDAQAB
-----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 435269493392122447695859810716506108035968
 . . . . . . . . [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 2024-01-17 12:57:37 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 12:57:36 +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 'minefield.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 (2160 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 23895754469679481372352598511197138840937083578497837204808131517052592524566095578586951229264028786547427758526463186031726239309937109856472276954098312527363953709449556298023927088694792523302703502072509883026599649164300639624600674461589254127344833781835805795347654822223446228775959546245879569326380613279608104360180533874720064689220399505371971982543131320675457502530226042158989548952065873384501319201827356061221564307274823679476179344316145273046341226589950386887790788998017956584872572730794703712943013650143111891378496288967720759895874399061173395445549946811045249065500007566348450955489
 . . . . . . . . . . . . . . . . . . . . [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)
							5530e0ba24d4b17d4d74218a69edeac6f9a1d38f
 . . . . . . . . . . . . . . . . [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 (61 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'buildingscienceleadership.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'egriffe.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'minefield.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d17b694000000040300473045022100df615398d030e7f46c16d087655db68ac190d3c33bda598ca449020f2924232602205c147f36477b9bec36d7084e6c781148706ef6fe8276524fee382028441bed39007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d17b694060000040300473045022100a2856af7991601ddaebd5f5546bd8af2dfeaa25a2e0ece9f19c6e7e5b28fef0b0220690a4619ef0ecf9ecf43d4e3b8ee69cfc451a956d0c542bce74f4d18e93a519b
 . . . . [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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