springfieldrealtors.com

Issued by R3

About this certificate

This digital certificate with serial number 03:09:33:cf:1e:4c:6b:5c:c0:b6:b4:54:bf:de:d8:57:fa:9e 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=springfieldrealtors.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:09:33:cf:1e:4c:6b:5c:c0:b6:b4:54:bf:de:d8:57:fa:9e
Serial Number (int): 264468265145330789017804427145238573218462
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a9:3f:96:7a:ce:5b:e6:6f:61:3d:0d:5e:7c:39:b8:f7:b0:b9:3a:18
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 42:ac:72:b7:12:c8:99:b5:12:2a:42:fc:4c:3c:84:0c:d9:7d:0f:c7
Fingerprint (sha256): 9e:cd:b0:88:1d:4e:df:cd:1c:0b:fa:47:ef:f1:f2:62:f9:33:ab:e2:dc:18:cf:c0:a2:2e:a1:05:60:ac:23:51

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

Revocation information

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

Check the revocation status for certificate springfieldrealtors.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for springfieldrealtors.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

springfieldrealtors.com

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Certificate

The complete raw certificate details for springfieldrealtors.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 264468265145330789017804427145238573218462
 . . . . . . . . [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 2024-03-19 18:57:21 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-17 18:57:20 +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 'springfieldrealtors.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 731990685188593210007982874810518944097992522110132173608701190745109843550539502386054495867347803672801234138853050921342614912332747781478421862702018891693317912673173962414508242718212487635066513229898754006183323666397894936463686561183011960684682217666300137449533855042390378602622926630989287235365211809582514721057470115383319838868197590861500529250611775571819116564627291934293655059908447475884660487266925837114960039231460133680703803242516245959834534144456887299160581239291338771970486042247389559876123780521672745805237299815216660589702744939658433024132249272642119455611572317544999741365327898552135587669149097871244906302003714702655223325065662583123551682489171817245830370811116529287744363971750415638208793155772528390505336655422140949418484437014082995239429323953943443841634931786345638132041228000079684444797273364203007992794244391722080917094556888490848264886864450730560109226890208503608723633140225019836128956082007682955146512135589748686074512907326334491229454442043118394782908115112377113246840254997830459045860965514939781541284003063574954990761878967363747320402736537740821660745326544222665726127671959107840885726351553574545191371533706806362353989898514977449644003967397
 . . . . . . . . . . . . . . . . . . . . [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)
							a93f967ace5be66f613d0d5e7c39b8f7b0b93a18
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'springfieldrealtors.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)
							00ef0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e584a32cf0000040300463044022064d843c7f5d02c4a3c671cdf79ecfc9040817e497603fdd05ff6d55226b00fc9022054edc6fb62084a2258af00dce2a5af50596035df32fd09ed8c60f3aafa4fbaee007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e584a3306000004030047304502200214842b6faafc3a7bc9706c66f5e98552c4d647d68df3a07b527dade6ca857e022100ad043120a940e8d5f6ba1bb97e505752b9162d54ae35369caf0511fcb4ef6d6a
 . . . . [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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