gudtoknow.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:2a:44:54:68:6e:e9:d6:e3:d4:b3:4c:ae:30:69:58:a1:8d 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=gudtoknow.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:2a:44:54:68:6e:e9:d6:e3:d4:b3:4c:ae:30:69:58:a1:8d
Serial Number (int): 275719542980767713059869080866973055230349
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 22:a0:7d:78:08:b9:aa:d0:c5:b5:63:9d:51:eb:d4:a8:13:a2:1b:98
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 9e:88:f8:45:2d:51:a2:02:4b:7e:bf:aa:33:a3:53:8e:44:a3:bb:4c
Fingerprint (sha256): f1:4a:46:ad:09:e2:09:1a:8e:33:c7:b7:6e:e5:d5:96:27:e3:c4:92:ab:89:b5:27:83:46:5c:6b:d5:d1:ac:03

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate gudtoknow.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for gudtoknow.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

gudtoknow.com

Other certificates including the domain name gudtoknow.com

(limited to 100 certificates)

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAssTKCiK6wolFe126cd27
zEurEhGFsqLFnPLRSdcaAy/VYaooNi8zMS4050/hedejDYhifgPkTNy03BTWbNj7
cVYYNKQDKRvMLjH/WT5VliQSGIbymZ6TrwSfcxeXKARKznZTiCfkdzDrZGVyDFak
TjQQjVBzfTeTc+eS5977X1/8+tYALuhDiUN97Yaa6XguIa1XmVGQD8NGpICbhYyM
kW69qLR+h0UbQ+tqnJICxQn9QhOWhhYLDyS8f48+afWMa7g2H9ctBndxsTQqROsy
OPaDb2SAblgNfIqQDQkBnbi5/rKHO9Us/nOZjhY6EaXSSFGkk45xs6ohkv0JDq/E
Mq8b5EwolO75bAM0pSyMK+nLA6QEjyTkTFv46R//AEG29aLVpPBkWhmMWVUfYJFN
PPH6B1eoU6XSFYTJWtfCGwx72v+mX/ax/UHCfjGlqB8tTXGYf4yQs3aqWbbIKGVI
2OQGgcDkiXaI81TU58iqFG4rgMEonDr14G3lenNgmck+DuX3yO9/Naccq6IwteBw
8YWb4AMskL8oL0KUb4w0IwJLSjlfu9FyjTHZhx8YsChazcqV5fYYnsrvHL1KawnU
aa/AuZj8Wz9o9+2SGAzE+k3CCElbvIVc2E6pC8FYOHjahk0OtwoxqSIF9boGbhZR
gBbUAWuda88Iv8t/e+7aeVsCAwEAAQ==
-----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 275719542980767713059869080866973055230349
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-11 21:09:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-07-10 21:09:14 +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 'gudtoknow.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 729312698648319640514392442111690729402268411252220418646656665268071962046261944046166172254061122556748318965832231141758060068476786896653530578373022137452828372384622718994024323159082812779838329321236513672169498370009899752796042360374573717108877432912587853735904708014335459077227111533727832082882011396535059994827513510885901595163263459943056404520821536671108218298939392425971540817912920166716836987121541945582748283460543487772338583870086565968886968936078583035541960088831178938775895687425862093872825735354251635740072028491029922756016897895518131931172545976405127327113050883238878090811150566994982570212394955178959544575595194961960882351114074114753754113042853198936372507764317209700421668464159023208159533938514013555502403614190812336567507275635877354967055801826454538815478520339983806289524530784581882880144387656808763034020929216602826009197497749325206118153959599141407768755634671997570013065987579375518941555893659535229612638399555767815693123574968414096067968946241893667479427999180992649875372063382970597922027565844449173339260446965555887291540092201063883835750294785594851215514010281666890280695571959965574788127382088097081995910455945973215177669336014379470654302484827
 . . . . . . . . . . . . . . . . . . . . [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)
							22a07d7808b9aad0c5b5639d51ebd4a813a21b98
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (17 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'gudtoknow.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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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)
							00ef007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e000001716b4a28300000040300473045022072a2bc08d12ac5afa8a5de6aac0dca0ec7dfa790ea1feaaa63fddd6c5a93e49d022100b6b5f4902fc0503780e29dd6fc3e222c468ad285a99f81191fa50357a84856410075006f5376ac31f03119d89900a45115ff77151c11d902c10029068db2089a37d913000001716b4a2866000004030046304402202d801c87b9e5170a619bf818599ed2682efa2fd2e7c816bf488a222c7d7991ca0220345aaebcb0589cacabce6c5da9aecfae78644f31e677ba06504b0c8910e21e71
 . . . . [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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