itm1.com

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:8f:79:cd:26:1f:b3:ed:dc:f3:ad:2a:f1:4b:55:4f:55:7c 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): 03:8f:79:cd:26:1f:b3:ed:dc:f3:ad:2a:f1:4b:55:4f:55:7c
Serial Number (int): 310159138046564238027718079878450612491644
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 7a:9f:77:63:5e:2d:70:5e:4b:ad:5f:db:bf:3e:b1:24:98:e6:31:67
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 16:e6:13:78:30:7b:88:5b:1b:5d:fa:95:f3:27:a9:00:b6:9d:eb:af
Fingerprint (sha256): 9b:09:49:97:7b:df:db:83:34:c8:8f:ab:65:58:0c:59:e4:8f:f4:a3:39:42:b9:51:59:43:bd:11:f6:54:44:8d

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 310159138046564238027718079878450612491644
 . . . . . . . . [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 2020-02-13 20:47:04 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-05-13 20:47:04 +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 821140218393946609528408914627903342858702872189090081379650387351094336008868106518864774618043530873251435737108098496075035030548916714642250285652339363076986110193110229541199894036406396076067638584377777005342563393349135198614690995545351819366606193733828388689942963413914857005147237202238966240228091949236327155293646406323370164080359116130700842862478304207383230284715189451014725911171754711205892890757773584208143784063840144980078031117819314336934872739692751727335525475853774022663521047686425753420273653295399846821832476434217355260895865097800334183212455513684626223973876344501823070943747557674975078312240808413035806853006043512756449884034071641107455673164936193730067139921128637639145839095404953955035888797865286158583147723109529866547491062110797113580752676516445506592126913699951252657499138242258939671585986195612261324598149740803582555570502244008261519661686035081970142826387290013503107174104663705979891599818279726838295506429455583307949018773851198455869794886625712398282173440736791572585287283398097282198517278456759905332535326137761017427668657279230912838481869699060320912351297722070142685049522576109929388933188891208652817286821489791209790571383642417117115340878761
 . . . . . . . . . . . . . . . . . . . . [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)
							7a9f77635e2d705e4bad5fdbbf3eb12498e63167
 . . . . . . . . . . . . . . . . [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)
							00ef007500b21e05cc8ba2cd8a204e8766f92bb98a2520676bdafa70e7b249532def8b905e00000170408505190000040300463044022046efe2b1cbcdb461f522d695ade3c9bd074793015509cd7613b0db50ee113a28022036e12efbb93b706cca2b40baca7e26ba46d0628f60ef81fc2dadfec900521133007600e712f2b0377e1a62fb8ec90c6184f1ea7b37cb561d11265bf3e0f34bf241546e000001704085059f0000040300473045022069e7f9d49b202bd8c17171b612c8a962ebc8e7ab54643a6cd07a4aa9e55db1210221008f3e314cab9f3617c4c560764466a6eeea6e7692e4339c0c85d4efd9551b72d6
 . . . . [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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