www.itm1.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:11:d9:85:94:27:58:b2:4c:c3:33:d8:30:0c:d0:27:c9:7a 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=www.itm1.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:11:d9:85:94:27:58:b2:4c:c3:33:d8:30:0c:d0:27:c9:7a
Serial Number (int): 267410794088418175605908192783601842506106
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 89:8c:a1:84:69:b9:01:6d:c1:b1:9e:34:22:06:ab:b9:d4:9f:f6:ed
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 50:c2:4f:04:bb:d0:d7:99:29:6c:01:df:a5:93:db:ec:39:90:34:73
Fingerprint (sha256): 56:1f:13:6d:81:66:d3:e5:44:cd:77:84:cf:5a:fb:a3:87:00:f6:40:76:44:58:93:04:d2:0c:80:f1:46:66:a9

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 www.itm1.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.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

www.itm1.com

Other certificates including the domain name itm1.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.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 267410794088418175605908192783601842506106
 . . . . . . . . [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 2020-02-27 07:05:38 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-27 07:05:38 +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 'www.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 827419621807082286289528242869805088329685276800938805653555686409206086448987197962896350082846884605863945559728997243205765536747516280280925580618296432336584186586764547730534449028021900153986034571896806636248662082971742604313258252489557972194439869390709016848235446070981572485738160433246278986715471606653856306804567000700349098189729991517808964094456649369415185057922590140855998983335919219320845385535908375288317562884126810991198364605636886608281952695726327475621703343062309795641411415099514015863380032749581058477226978540506318745112555009245550026925011635116841090363425458304630893659600876228770902930658928716886253564381657860939820682123098196635711525503367227081642665119115164610455727353431406859583834018529597356232586020767404660732906440847326571429954577760936093212894749152685071863780580838408946250014106688680857513063749952629291895146355022271016902782188588706800910851881402969200444942116034032707320840248171391254243753507026917266693320928529524138797017138523010772725367729514962160225629934243793615578113753402427306091174199167371590538012826919966228628562888765695236699833510127691902678286043634541138310746984883477217476437778876698850801471650653891381392431931151
 . . . . . . . . . . . . . . . . . . . . [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)
							898ca18469b9016dc1b19e342206abb9d49ff6ed
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.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)
							00f0007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e0000017085ae017b0000040300473045022100a4ea8bb50f34dc4509437146d49e2e447790fdbe60357185fa19c217045e3779022057dd228c819a9a1bc0735ee02615a92630417874b9ea8a817b55633e955f421d007600b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e0000017085ae017a0000040300473045022100c79ca16e5a787d53122de1dc77f61783fb071e353171e6e6d5c755dcdb72a989022073f375d0e22bccdf173a9ba9f854ac5cf3d227509f386f8e33a5eea0007e3dcf
 . . . . [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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