metalpunching.com

Issued by R3

About this certificate

This digital certificate with serial number 04:90:00:14:89:73:7b:6b:fe:14:58:21:49:43:15:cf:ca:4b 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=metalpunching.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:90:00:14:89:73:7b:6b:fe:14:58:21:49:43:15:cf:ca:4b
Serial Number (int): 397449911197432847622320455170903799482955
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 39:dc:61:d6:31:a0:93:8a:49:a1:c6:5a:8b:1d:02:fd:b0:3c:bf:be
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 08:6e:7f:d6:a0:e8:a6:1d:6d:46:f3:c7:6f:90:e6:2e:97:9e:4c:42
Fingerprint (sha256): 14:2d:97:a2:05:64:75:49:5b:09:6b:3f:9e:ad:84:90:f0:1a:24:9c:2f:e1:8f:f9:7c:aa:f3:82:bd:db:3b:cc

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

Revocation information

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

Check the revocation status for certificate metalpunching.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for metalpunching.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

metalpunching.com

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www.koihai.com

Certificate

The complete raw certificate details for metalpunching.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 397449911197432847622320455170903799482955
 . . . . . . . . [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 20:42:09 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-16 20:42:08 +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 'metalpunching.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 899353918904753654490732683426316990165806935229337283066391660205566658462285528449349044527985691289264978325908772808301914257265764651534605070917021835380067579202635128948716835332120254830070594079387662041426875741515540591678898229655652549454681972218366215035680954166363691898511783862796197965020700983212698326223173314386020141434858683785401994858078709917758155711089930838316725818488440892989709206032699925465159027498723145584071079978357303774623696005679609479653477642257573421177749470287757635073585586971866553171597759507884570649881665935234515686366165669075684122339713806540492051980271023236572115215933111038780168290158623236516026210525928378867179559106230212665251223173785590945239949417287629911829645302539536290047721645912297559949308444191759338707654312091604902530473972200755254926349639002618771871423018809817656000816414371284956929973622462062089608295402697459847624952818851972164508017222416511303806937532725576229478874534018103662372668335447890708141984980265822581815927758611125068808690932041064715068190015961679923875928633211613937143071534727762789483011576977877990910042300028975675305222901894427015984183878686232889115139804527313626848540004201461539730955287241
 . . . . . . . . . . . . . . . . . . . . [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)
							39dc61d631a0938a49a1c65a8b1d02fdb03cbfbe
 . . . . . . . . . . . . . . . . [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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'metalpunching.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)
							00f0007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018d195fdd2f00000403004730450221009d615d4a56414c7c5ea58c8ba4e826a5908842e945f0eed8e7c125d60344a65a022023b9e726888b0191f680971ce2917733b169ed6620c67ec0cab3a7191a677394007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d195fdd68000004030047304502202352370facf1462f6556be4da4b9fde9205dff59b72f78f45749e7fbe1077541022100ca4b778345b15e0e613102149fa32dc417bed46bdacb3372d6b11aecef3e86e6
 . . . . [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)
		00711879843e8aff58780bed77cf91fd9a50555639e94223932051ee1a99a0bb1e893eefaa2fc6d18a5303ad55dba521b8cd0f8a8373d09a36ea935f1c8f93d8ee4a07d94aa679c22da50800f4652862013662058744243c867267f4a87be48a4b33adc6fb2dc9d6b7868df2ea1e132b7298a684dfacebf4bb9decb255547da1bf5f0720a8b580a7e98275ba1faa51b872b991b95fd971ecf80b04fac970c1d2a05a6d1a37ccb1c61edc8de28f1a8fef17a68289b50f86a875f442145fec944258356e373761af5d4fdfc30bc138d0208649082bb1f349991f950ed56f379120d912a45fdb4d99fffaaf7c6626444959c56f721e8db3b462cd542bd347332a89d0