slabs.info

Issued by R3

About this certificate

This digital certificate with serial number 03:e5:48:fe:23:02:ed:e3:af:88:9f:9f:34:c1:c9:ca:29:14 was issued on by Let's Encrypt.

With 2 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=slabs.info

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:e5:48:fe:23:02:ed:e3:af:88:9f:9f:34:c1:c9:ca:29:14
Serial Number (int): 339358543789390645517311302945524685613332
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 0f:c1:da:42:70:66:74:5a:e4:65:be:32:d6:d7:cd:f7:58:e3:08:4d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 14:38:c0:92:f6:ab:52:7f:1a:92:c3:f0:6b:c3:77:d3:92:28:f3:69
Fingerprint (sha256): 30:11:fc:47:a2:69:3f:9b:50:17:5d:64:81:6a:4a:90:be:1b:c4:d0:e7:7f:8f:4f:b8:3b:77:48:09:22:a3:ca

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

Revocation information

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

Check the revocation status for certificate slabs.info

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for slabs.info

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

slabs.info
www.slabs.info

Other certificates including the domain name slabs.info

(limited to 100 certificates)
slabs.info
slabs.info

Certificate

The complete raw certificate details for slabs.info 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 339358543789390645517311302945524685613332
 . . . . . . . . [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 2024-03-02 01:06:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-31 01:05:59 +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 'slabs.info'
 . . . . . . . . [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 781024100251011900825729766841396550549439620941894713097001074446142158120809931841717958114756735784192609108047558814250698380334216015819682370307292015166514447635490943335251032687166005130603386239650598130709710352531715222554240600485445182204596431476960034284687807317775158931317683908103727736296657724731446932687933966759416797569554401711213813338468612540893537712788647948122433711157196024310541858392687095215591745575978598279466747123529009147751140817464460741826340488708524054277583030705215104720084410733087190226335823946528811026518349388638318952234686762369872455062079534220696624351730301434054151939014592972667049108454566243146401092124661305887951216188008505613372097436376947532958504483091533705476942577259348485627653290174836276544731484093071848016221136170725270750994579032472233318954829968990274005277137874849467300750161572204049693104216748567101728400167557731735333756596731329165331903956640616770153608191036971295296616899900692779067611748939304740086510907335025801033716619902322533104367683179128027076076293736919006850748781636582726872702519262522841315708347025219012210991348964150433908449937168686269485315919605337150319813887400809350771362287509736069566703638441
 . . . . . . . . . . . . . . . . . . . . [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)
							0fc1da427066745ae465be32d6d7cdf758e3084d
 . . . . . . . . . . . . . . . . [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 (30 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'slabs.info'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.slabs.info'
 . . . . . . . . . . . . . . . . [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)
							00f00075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018dfce93e89000004030046304402205f49faf2dacbe405f6ca4b1fffe51e8b84324dad15bba86dc983a42f1c51cd700220691bdb85f84c3d73232fa0c56b97c3777e0c8f7b0d713b422616876d1669f00a007700eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018dfce93e6b0000040300483046022100a8805334a370705674d00893596dd8cae99d351e03cfe091d0a95ffcb43e236a022100a8b34e50c7feeb3976cead4b72bf8b856cf585a61a659b3cda4c5d9bba45447f
 . . . . [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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