tctco.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:3b:ba:f4:55:cb:57:4b:88:33:a5:9d:d0:38:31:51:15:56 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=tctco.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:3b:ba:f4:55:cb:57:4b:88:33:a5:9d:d0:38:31:51:15:56
Serial Number (int): 281662022511380735943785404127120026834262
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 59:e1:92:62:6a:52:ce:b4:d9:dd:91:50:31:62:42:ae:d9:6a:7e:99
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 11:9f:59:65:f7:05:b9:1c:c6:87:d8:d6:d5:e3:43:ed:a1:a1:92:36
Fingerprint (sha256): c3:ff:04:00:1b:f1:4a:c4:a5:c4:ec:63:f9:ce:b2:a3:ee:db:4e:af:77:12:6a:b8:ac:9a:4a:0a:b7:5f:e3:64

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 tctco.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for tctco.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

tctco.com

Other certificates including the domain name tctco.com

(limited to 100 certificates)
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tctco.com
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www.keywestmilezero.com
www.durafon.com
quartusantelena.org
www.tctco.com
tctco.com
www.childrentent.com
www.tctco.com
tctco.com
www.tctco.com
394.me

Certificate

The complete raw certificate details for tctco.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 281662022511380735943785404127120026834262
 . . . . . . . . [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 2019-10-12 23:56:56 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 23:56:56 +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 'tctco.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 786721722300223297184046130638233314394974549097884278087081078036477095955175673350487330976039734592510654616483837348663835297496544265316802297597557073415378151414850850412233394962928796822048323118278910039325322422647852502188366823808106963449683903081545908378684739128126645194266826599972068735145495089946868767835769170835149194883526240950284866013678528595443970521165245916462978316441017479270467914806909911620501798902351424613407038822975091887129168241535215933269178074070374898876498127841792256352140425442696266743368043407308166551779814288925667127858433737436049484208034964237378785417294328827804990198773913312836030493104960135380556706063680341676900290461386120166979687152078337177130370828099576495902227085123235565912900984509634032564868695035854435466601505653666721613616339941071864101787504902713710005126156876187916879787257939192761433325890044137902186849241048391576455234687207571126547660138292172961652181147141532058945031060462737562214784400941483258198118400947038509355235130942787740032387739731881726099870263943404222127814697678804181957627800405698382795943067629541617520491465345473447341382268516646846461760830947103146900747307612012855289571546427896055256799351711
 . . . . . . . . . . . . . . . . . . . . [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)
							59e192626a52ceb4d9dd9150316242aed96a7e99
 . . . . . . . . . . . . . . . . [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 (13 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'tctco.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000016dc29e4bb2000004030046304402201ef0ea9b864253a5b00bcb8fc2d2d915d16d19465a6a8f5a4eda426157e1952702206f4f9b756d5ffe18ce1cd41de914b76a3cf402837eae72d612eeb85913e431430077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc29e4da90000040300483046022100f1b001d25bfe89f1f34a7b3c2fcadb4a2222e0e7220423e9265e50256118ae95022100b4408168aeab45ad253178238bf60950d0f486529c9e456e3c0b945e443c3296
 . . . . [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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