*.elfychem.com

Issued by R3

About this certificate

This digital certificate with serial number 03:4f:48:b0:40:85:6b:50:ab:bb:fa:cf:81:bc:72:7b:68:20 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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=*.elfychem.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:4f:48:b0:40:85:6b:50:ab:bb:fa:cf:81:bc:72:7b:68:20
Serial Number (int): 288315784350623267295202787614623811725344
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ea:70:78:bb:3d:6f:16:c5:54:fe:c9:fa:72:38:f3:87:7d:da:83:de
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 48:2f:a5:55:16:16:12:28:b3:78:7c:af:53:64:06:2b:0c:f6:8d:78
Fingerprint (sha256): 56:73:4c:f0:af:3f:97:96:f0:9c:32:c8:3e:e0:17:a0:7a:ab:ad:3c:e2:2c:5d:4a:11:23:65:a4:37:fa:28:ac

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

Revocation information

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

Check the revocation status for certificate *.elfychem.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for *.elfychem.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

*.elfychem.com
elfychem.com

Other certificates including the domain name elfychem.com

(limited to 100 certificates)
elfychem.com
elfychem.com
elfychem.com
elfychem.com
*.elfychem.com
elfychem.com
elfychem.com
elfychem.com
elfychem.com
elfychem.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA1PaY+0T96hXlhkRX6jeT
stxm+mmob2BxUWF0xG8TW9sCM0bxhY7infTkv+dFNF06JI0JKbOSmrfJ3XNFO0i7
BFztV0ee6CAIDV5mH81JoLGoQbW3jV80iyovzNSbWEvfio0BWhbVjQsInv9wTqo7
jrcpTo/SCLvn0T7qHrZyCsFEMJUJQPuDskjWG3tka7pY8FFE/TGMH/aoDTJdZRZi
NInOKnzdDm/LTtRhFi5eGluPq8hyV+vP8+/SCI5Ov+sAqNMFfnrUMtTKYKrr56Tl
wjkBhGaYj0khlSJmnMmpl1BquZMzNSAQsk+LDlf6wnnmWstlydVZy7fqf/21iuBO
bQIDAQAB
-----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 288315784350623267295202787614623811725344
 . . . . . . . . [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 2024-04-07 13:04:28 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-06 13:04:27 +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:12|false] UTF8String '*.elfychem.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 26884122453669685810214918990306083717258290077152992125737237745962367975869288474639753358253775204997065470416170994528330980827839846557020523535603215772909354969183604802941336095785565094125913320651901355035243160917716530637075326655246083041152318650604948027294485968298906126211138413063853855346440484742592568065255270085374954849162462404171100898465134882409559221100880083831418607965758385576879471123338932701607988904081060517073273240684376592610099881850474459497818095763503605331730724370657828540667458022599236522450708200140270705537257012873036498297982759822555097583148866542114634223213
 . . . . . . . . . . . . . . . . . . . . [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)
							ea7078bb3d6f16c554fec9fa7238f3877dda83de
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.elfychem.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'elfychem.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)
							00f10076003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018eb8dff2c90000040300473045022100d8086bf1d5ffdc9f3fe6fb2f02bfbb48d5f1ff3521e642b5f423367b9c8ad00c02200f844c82df85a68de2b64055904edd1f7aa40176458359cf13f221323bf47538007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018eb8dff2bb0000040300483046022100ddf6c5106d1a7ee8272fdcd98b6a7274fb86a237646ddcf03e828705acbe3c37022100f1e63e3017adb4e3dbc92da653bdfbd141f7f9b13e1d0b2c5dcd63930a82fbf3
 . . . . [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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