itm1.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:b1:3c:a5:5e:a4:17:fb:e1:d6:8f:ef:8f:ae:71:13:37:5b 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=itm1.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b1:3c:a5:5e:a4:17:fb:e1:d6:8f:ef:8f:ae:71:13:37:5b
Serial Number (int): 408759735000323191876139258449841372739419
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 78:21:20:d3:bf:e8:cb:10:01:07:61:ec:3d:8b:8f:ac:3c:30:bd:f2
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 97:d8:03:8e:76:0f:0f:6f:74:fb:d9:13:89:c0:22:a7:91:75:34:65
Fingerprint (sha256): 71:2b:01:98:b1:77:0e:15:2e:b1:b4:0b:9f:ba:b1:ef:8c:78:15:3b:59:29:0d:ef:1a:e1:af:29:d2:32:0d:a2

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 itm1.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for itm1.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

itm1.com

Other certificates including the domain name itm1.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for itm1.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 408759735000323191876139258449841372739419
 . . . . . . . . [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 2019-12-12 12:07:40 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-03-11 12:07:40 +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 'itm1.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 810260504825718223610416575586173763502064041665339382384489300750731122881481662147044902233574513923790109094691189111744857782019013014841553699689906980239308283649662556323114974910872109028164326017552287134758846459065225033612330110448935354480279066199013975276651602968362444784163029460561945380715198534164433927803917066495292034846388047161537130230552125855664631411208389673458720271922639281176708739656296145430592869897096153787707914419815140844092290348048864345859276665625325660462825208365533584295711225038179167282638592123828947978060538649079558580915515451966182320498544681966576491211283071999815274195710958488574172838963606393612188506049638881822969126381867932097373876786399208320908565555717561644610495014007771321931961994096592961767361134450754841906209574642106591190745651486095035901364720265231308638865562935846999338866792286879479626395123005226001248886464942698639646579254781105905934622811006255099688430144746477880916561354108186825762641589422571440019197486031607052730510414854453216591050227200877490094977909982275145958637434743787676120053367810470467216379767459815036957567703445199681972709120211045144787952171167473052116532362905849788164669492495503722643038581477
 . . . . . . . . . . . . . . . . . . . . [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)
							782120d3bfe8cb10010761ec3d8b8fac3c30bdf2
 . . . . . . . . . . . . . . . . [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 (12 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'itm1.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)
							00ef007500f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016efa38da5d00000403004630440220783c2eeb5ced86bb619d5a80735a43ad76def642f014e1ac9a6e973c3f2679bd022050fe8e0f5877944bb2a43153d05f9eacefa95cc9ff3e6835ff34efde9aa211b500760007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016efa38da95000004030047304502201d3a811b6e13cec9e43911307b9f35e132f559289d4b084bbf334314bbd86cef0221008db322d21e45e4f4ce572d05ba259c94ee6be7dda09250ec08a5d1ddc706c8db
 . . . . [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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