sql4u.com

Issued by R3

About this certificate

This digital certificate with serial number 03:63:87:6a:94:27:8a:88:b2:ca:92:0c:df:3f:66:a5:c7:7f 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=sql4u.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:63:87:6a:94:27:8a:88:b2:ca:92:0c:df:3f:66:a5:c7:7f
Serial Number (int): 295204811288281010025404768234063800944511
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 17:aa:fa:84:ef:a8:5e:b1:68:a8:84:5a:46:1b:cf:86:13:ef:b7:1a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 4c:e9:fb:0b:0f:1f:3f:f1:cb:a7:86:b9:0f:26:ca:3c:db:b3:c5:d9
Fingerprint (sha256): d4:81:14:ee:87:e5:62:ff:96:a2:58:87:97:af:7e:5e:b0:23:6c:95:88:dd:4a:96:70:92:b2:d1:43:28:2b:aa

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

Revocation information

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

Check the revocation status for certificate sql4u.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for sql4u.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

sql4u.com

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sql4u.com
www.highgrove.org
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www.hphs.com
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sql4u.com
www.trendallocate.art
coinsology.com

Certificate

The complete raw certificate details for sql4u.com in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIF3zCCBMegAwIBAgISA2OHapQnioiyypIM3z9mpcd/MA0GCSqGSIb3DQEBCwUA
MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD
EwJSMzAeFw0yNDAyMDEyMDExNTlaFw0yNDA1MDEyMDExNThaMBQxEjAQBgNVBAMT
CXNxbDR1LmNvbTCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBALCfoawc
82LqnUN8xQq6O8XuH/JO9HfxXAjF7nVmOATZSWYCE3wyIC+y3h/1Zs8aBDOVmPGP
rHB03DtCV8QjpFOXLX9wAABvMPyJUXg91ajnGpDL0iQOnzfdbiWCz+/xgBXZS7Bl
lIClZuBrR1lcrmzLEDV/tJPpaKmvAjp8UjWUCl1WikToU5yrvD2CfDhvQtZUOtoh
rX0cK8BhZt6nBH0V+kzxVRcLXP80QsXNM7pqP2fuS50w3A25ZXk8CYYjT5iCx8r5
6rfXw7899W7Hv92UrIh67VCV/n0mLJMcJhxH7/8ZMYdRA0SUt6ghH63Hux8+lu6O
h4MqviGsojVkJqkPNEphiojUCuSOA0WD/O4le1c9U6D+J3XryNpQoiFYDz5du3Kc
nauxUHlm3RVivhXJ7I2l7+JfD/tx7jeNL+kc1sY459UQM+VZOPkP4Ffw5W18c/8T
hybSIlSkDXmm8/Dq4RSMVrR6Gn1bq8l0chRoXBHOnoYaFP+BD3ODXBuVihajvdUM
CVs2uawy7kXE849FT+Zt7X9JLttULAGaUcXrDO945Lx/0R9KHpHF5R1ARJhQbfM8
kWtwDh1wTYjf0FIdzTfgT/lXAF34N36jNML9wRSskVoK358VsxZeZ65+NcnI6CF7
e8XzSOXivbB2hJe/AQISqu1Ad/no1wDt88sRAgMBAAGjggILMIICBzAOBgNVHQ8B
Af8EBAMCBaAwHQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB
/wQCMAAwHQYDVR0OBBYEFBeq+oTvqF6xaKiEWkYbz4YT77caMB8GA1UdIwQYMBaA
FBQusxe3WFbLrlAJQOYfr52LFMLGMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcw
AYYVaHR0cDovL3IzLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vcjMu
aS5sZW5jci5vcmcvMBQGA1UdEQQNMAuCCXNxbDR1LmNvbTATBgNVHSAEDDAKMAgG
BmeBDAECATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB2ADtTd3U+LbmAToswWwb+
QDtn2E/D9Me9AA0tcm/h+tQXAAABjWaDpDwAAAQDAEcwRQIgRqgl2qT1WkRNM1Gq
6rp7fO2w4AhgaVL3M9PXOtDgf6kCIQDxjHS7K0HIMtZdAXczlYJQjas79UKQ0DpF
f/SCQ+PM0QB2AHb/iD8KtvuVUcJhzPWHujS0pM27KdxoQgqf5mdMWjp0AAABjWaD
pI0AAAQDAEcwRQIhAJALgxLSh/E8kh4Cobejmg6C7dh9ylEXvpy5+zdG5T+pAiBJ
YSTY3fyLZHzzB26twhLsN8cRY3V8f2tKNc2ODy6rnjANBgkqhkiG9w0BAQsFAAOC
AQEAGysTZXqRUJuc6Y84sN+pes2iNq94lZ3OZIzbht9XXblX+D7jTtsILN0Now70
AaPNm0qCwUaCUbUrw7agRzbK7pWpZpRStLZmFwLhHpjnA6tnHlvnrzzYP7tbksLM
Zej4gx7xlz3nZOl+8frNCbUTMLTSbdCHD+r5oPqrbnaAHXbCEgU0m7+sTHd4VPOX
OHARxDjU8msJh3pN61n8OoEqbeL4Z2mPoblHuMZsqCSjZ4qN5jZ8CFR2JjKFKHxr
AQubcRBQM/PG+JwmdDIz1CQM0YCT6WzgVnS1Zh42zZSp7l3FGyLCKvknLjvsutcs
ObefSUknEb1jyg3ExIZmlzjvDQ==
-----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 295204811288281010025404768234063800944511
 . . . . . . . . [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 2024-02-01 20:11:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-01 20:11:58 +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 'sql4u.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 720561261575373767923099216332837472404653250249699137968923714909291013987018489929282978903741811293520579162818682427948159760633211464958710318527761597927210726264281332453284176826933956890840317293594742595536805372522644009729480827690485473756373795723063418936005391642262316738161465501358260268263976983788077337423990445722928921044833338012937693250150636274647923784154482245730285180197993189131096763776954975964365738186224755335293419788912104438104611254805129801302064638913538864260788564586552660511522924823897919045752062198898200143637705312193067926724893976646996362910932201705171021207400241545852577087052766173564262153486839254815621814187734280159795657336294193319059740391899084360205696819876083302500282212299385117032170040354609121957355062724024780956845915058618593942262890430160736898803270705671913853622785452450960554705523201323564171455047288502043096654246747893185010547847050698709248437964017226277256712517269231360712976553752385331763347228302551167286506921997653775573245305338099169317050186809208120249588342132081386321052835237758068741342876410741687739997223443798776488600176203433163554575245798288578158723747808847294127297288016547607788936507535622082323027315473
 . . . . . . . . . . . . . . . . . . . . [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)
							17aafa84efa85eb168a8845a461bcf8613efb71a
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'sql4u.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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d6683a43c0000040300473045022046a825daa4f55a444d3351aaeaba7b7cedb0e008606952f733d3d73ad0e07fa9022100f18c74bb2b41c832d65d0177339582508dab3bf54290d03a457ff48243e3ccd100760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d6683a48d0000040300473045022100900b8312d287f13c921e02a1b7a39a0e82edd87dca5117be9cb9fb3746e53fa90220496124d8ddfc8b647cf3076eadc212ec37c71163757c7f6b4a35cd8e0f2eab9e
 . . . . [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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