sfmforum.com

Issued by R3

About this certificate

This digital certificate with serial number 03:0d:87:ab:77:a4:44:1e:38:96:b7:81:cb:07:c0:ad:6b:46 was issued on by Let's Encrypt.

With 16 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=sfmforum.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:0d:87:ab:77:a4:44:1e:38:96:b7:81:cb:07:c0:ad:6b:46
Serial Number (int): 265940864654067956065825390515805412485958
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 08:57:21:b6:04:94:3f:94:46:fc:74:e3:c0:44:f9:b2:11:7e:be:60
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): d6:b5:f9:76:2f:e7:51:35:76:58:67:41:e7:f9:9b:e2:bd:f4:16:d1
Fingerprint (sha256): a9:81:be:59:3d:4f:b2:82:b2:cc:3a:6d:9c:e7:9b:ad:c9:23:99:eb:6d:18:b4:cc:ae:23:7b:a9:ad:21:7e:85

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

Revocation information

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

Check the revocation status for certificate sfmforum.com

16

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for sfmforum.com

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature

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

alexgarifal.com
dandimen.com
lakeelmoairport.org
ostarafolkschool.com
revelvan.com
sfmforum.com
springfieldjointpain.com
stonehouseengranddesign.com
www.alexgarifal.com
www.dandimen.com
www.lakeelmoairport.org
www.ostarafolkschool.com
www.revelvan.com
www.sfmforum.com
www.springfieldjointpain.com
www.stonehouseengranddesign.com

Other certificates including the domain name sfmforum.com

(limited to 100 certificates)
sfmforum.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEC5ppH6jQtUb41Auuo7fdhrIDStyI
YRap+EmhXb/cmlLJNIxzsoqVVtRzckJ2AuXQcXMqFxu7khfGjmN/Vb1Sdw==
-----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 265940864654067956065825390515805412485958
 . . . . . . . . [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 2024-05-17 12:49:41 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-15 12:49:40 +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 'sfmforum.com'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				00040b9a691fa8d0b546f8d40baea3b7dd86b2034adc886116a9f849a15dbfdc9a52c9348c73b28a9556d47372427602e5d071732a171bbb9217c68e637f55bd5277
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							085721b604943f9446fc74e3c044f9b2117ebe60
 . . . . . . . . . . . . . . . . [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 (350 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'alexgarifal.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dandimen.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'lakeelmoairport.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'ostarafolkschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'revelvan.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sfmforum.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'springfieldjointpain.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stonehouseengranddesign.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alexgarifal.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.dandimen.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.lakeelmoairport.org'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.ostarafolkschool.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.revelvan.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sfmforum.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.springfieldjointpain.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.stonehouseengranddesign.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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f86d0cbce000004030046304402203c4071401288ff9effde314339b879fc43d9e83bc944a658fec3730505de674c02206f535ba364118124de2ccfc14e141b7bb9e91e3a746b06b0b267db56e9cf5e8c007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018f86d0cbd0000004030047304502201b3339bb0cd649f2de151e69fc684e9f4c816e9a524dab6610b9cdad8f649caa022100b38834e0453a21e7afa6d77bbd00c695665b5fa46a6230e1572b33241b9169f1
 . . . . [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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