itm1.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:7d:78:2b:f0:4d:a7:4b:51:99:23:a2:74:a5:d7:eb:da:39 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): 03:7d:78:2b:f0:4d:a7:4b:51:99:23:a2:74:a5:d7:eb:da:39
Serial Number (int): 304031889162587803216542504259565164157497
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 38:9f:e7:f6:88:37:b1:e0:f3:99:05:ef:56:55:e0:3b:f8:7a:a3:d7
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 57:76:3a:10:df:35:a6:a1:20:22:21:f4:29:eb:a7:bb:84:51:2f:af
Fingerprint (sha256): c9:c7:5b:9c:3a:1a:57:af:2f:b3:81:db:8f:04:2b:1c:35:7f:73:35:86:1f:dc:8c:16:6e:0d:d1:2d:c3:fa:b0

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 304031889162587803216542504259565164157497
 . . . . . . . . [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 16:19:25 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-10 16:19:25 +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 859963424750539599510068934561760349091242993858911947174550487426197238545697786529712964620371117886751374415174237311771415009284333235977982065931874034953223426230138498116807653191112276350647027488535825899406475492334438907775777373826239504751027560349166959866409064300253310964511899688356306967236670245716997084882693109035892841976547099372471803243949649649260453438246244719503652585847939187427599197259330077982058375729318643757725252073836272117037697885548580195071030894699692656706650227368329712836100825838653229727686962668871384244801401995177915326317616277232218599616471791563871257279908409508203535116736808119548920568892712867951506971198140530020130291299187928333265806978288448659589738967444901913143593685138839827658536524210412254894157475236151537761511130561922995098532357948479978006235052882819508289508968087231681497256099262409295844530477744596412787253419782295421397448384988550095078125290127092273717505652459026414603569051494931691989351462611746031048482329090435840096359205636817592912815597225335146098526518543806258918140604544264893096317453930063664591142257626677159502978680558721277561148868647024372849106210768330133243429598054715736065531727664552932788296377369
 . . . . . . . . . . . . . . . . . . . . [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)
							389fe7f68837b1e0f39905ef5655e03bf87aa3d7
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016dc0fb6a8f00000403004730450220218b2f084c8391d3f8f537a6d9f73a8654dbfeaa334632d03c35705c11cfd8cb022100c1d4272bab5b25698dec573cf3d42c529bbfa56b1108b738dda39711a49a17df0076005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016dc0fb6c8f0000040300473045022100b15af6cddd4ef2cc9d8cb27944241c482042a16a2b1c845371ac132b0b1bef46022001048e8e97127785bfa5e1c026ed1b5aa52246749af34fd237eabcebb487cbcd
 . . . . [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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