how.fm

Issued by R3

About this certificate

This digital certificate with serial number 04:ee:ea:d9:a1:06:c0:3f:5c:c8:34:ce:99:27:3b:2e:c0:dd 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=how.fm

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:ee:ea:d9:a1:06:c0:3f:5c:c8:34:ce:99:27:3b:2e:c0:dd
Serial Number (int): 429748516399659126148001365190480629776605
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 5d:0d:c1:25:da:ff:e7:46:c0:d6:31:92:99:8c:f0:6a:ec:b6:c6:85
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 06:fa:7b:fa:b7:e0:68:be:43:45:21:34:13:75:ff:c1:93:1c:c5:c9
Fingerprint (sha256): 32:84:f2:50:98:d1:da:e2:58:82:93:a6:1e:b9:af:47:54:cf:4f:e8:22:9e:52:26:38:66:b2:ff:49:c6:02:bd

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

Revocation information

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

Check the revocation status for certificate how.fm

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for how.fm

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

how.fm
how.fm.engineering
www.how.fm

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www.how.fm

Certificate

The complete raw certificate details for how.fm in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyW+v8hN4+1lcsG6ooQe2
3W3d3DRfFrc82Sp73McAmRY2CdsIuo+sSe9+tY/FJnBFe8n6GCGUKwcGTgkmDDUI
uUE9Dt9zT/S1OrOBdIgaKxHFTo347cIRBlC3g1tytE2KkN+sPa0B0EVWALmYF8F5
pnXXQEd0QvUUn17VuGQc2KV/g4Cwxp5YZERHO/csFsyhI4mxPdug3A0rT5ugBP5z
8muMtYxzJpTPGaar01giKr1z+dtymX7VXpg8RHmfePNGNlf6YdMIKyItkGKajEy+
3kBt8oFeVniMaOtNKuJUc/IM4bb2Ma/j3815/2NYKs3WFVXG9XvvJ4RPWUviRFRf
YQIDAQAB
-----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 429748516399659126148001365190480629776605
 . . . . . . . . [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 2024-03-13 13:54:19 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-11 13:54:18 +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 'how.fm'
 . . . . . . . . [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 25428974352337957474429857592320495665143480969882056812754808634603657986370045030897886374823189058530856651711834466009313945641325571775169203437561487845755798194212007686769524441613129178492129558699745580718779609998530370558855986486182898482904745610839058701144987485704146940146373042836623374015038954027097513596273877708690924579736181916027541466240411590015902236295015876890082456555278265779623319576515675861388857250245079604445091418226225393541458909563568695897406587753301158879269064097713547941294758054509813127796106141130876759965201766506143214295789391200656531307145292999812910964577
 . . . . . . . . . . . . . . . . . . . . [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)
							5d0dc125daffe746c0d63192998cf06aecb6c685
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'how.fm'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'how.fm.engineering'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.how.fm'
 . . . . . . . . . . . . . . . . [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)
							00f000770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018e384e9c040000040300483046022100d2aa3f680c58655c51cf5ce782111cb2f5010d00b36b99aa8434dfcb9b89bf69022100912c23b7ff4c87684c3439d2bc2f456b1ac545ef532b3607b16ae616efa68605007500eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018e384e9c0600000403004630440220641a5c3dd01cee9b2c8066ae2bf3c0d0c9812dae8b6263f38315ac2b3ef5c3d7022039d99950efa0bb5e9d65ec06d7ff05ad0552a606e93040c2fd6b8d8b62ff303a
 . . . . [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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