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:55:7cSerial 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.orgCheck 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----- MIIGRzCCBS+gAwIBAgISA495zSYfs+3c860q8UtVT1V8MA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0yMDAyMTMyMDQ3MDRaFw0y MDA1MTMyMDQ3MDRaMBMxETAPBgNVBAMTCGl0bTEuY29tMIICIjANBgkqhkiG9w0B AQEFAAOCAg8AMIICCgKCAgEAyUcExSG9VlzqoY7dB5QMO9hBkQV6dUM43K634ReF 5/T16CIJNWSC9Qi3Czc7rnaE33Y1fk7TF/zOsMzQ9UyHvITN53FkcU47n10d5YPV Q3zAGyl0zBn543x4O+WYmRe6e1AsQEWQCM7wdDLhTGaDGp3tvE8Pw0MprmEFb5+Q Ffm2nNhaiJLRQBONtP8OGCegRZBaYO8LttPFoiynqGbtQ/9y2ekKvpEYpcdwUqda Qv9KIKn58EPYIjKejD2HEgRPN7sEyie1Vbb2ci5E4IBAMGG75R/ocf+ixUMx3f0I WLbyeU7QucZSsF0xO1qWTdXdfIqz1VYYUaXowc39UOHIZQ8KEfwqhrcBNXS9d8Y/ yxyGHJjlGHRlG+kxIwMkkzlRRXrMnErv0W+HCRidr7ivkrbhuzdek+9SSxxdMaej J8G4qOfzhrmxDk5Xd30h4L1CPquoJ9b0TFkIpcp681FZJtwuDqKGrs/onxkMAuug zTyOFk0/KsoL7PdZs59RSdKPx2ggXF0MMlu3l4SC1HUbveXrHZcokytBzHqhelct swr7OIPSrYLubhSPbMpX2J4eo/jI0iGFIvh8RhCRJrQO2C/DjPtPM+q8eTcPK0KV dLPVu6fBCx+enWHbCCBBsWGfoeTIFmxylkDdpxCR6TrBCrzhrhTdtnVV987/jpbI 86kCAwEAAaOCAlwwggJYMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEF BQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUep93Y14tcF5L rV/bvz6xJJjmMWcwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEwbwYI KwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMubGV0 c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMubGV0 c2VuY3J5cHQub3JnLzATBgNVHREEDDAKgghpdG0xLmNvbTBMBgNVHSAERTBDMAgG BmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRwOi8vY3Bz LmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB1ALIeBcyL os2KIE6HZvkruYolIGdr2vpw57JJUy3vi5BeAAABcECFBRkAAAQDAEYwRAIgRu/i scvNtGH1ItaVrePJvQdHkwFVCc12E7DbUO4ROigCIDbhLvu5O3BsyitAusp+JrpG 0GKPYO+B/C2t/skAUhEzAHYA5xLysDd+GmL7jskMYYTx6ns3y1YdESZb8+DzS/JB VG4AAAFwQIUFnwAABAMARzBFAiBp5/nUmyAr2MFxcbYSyKli68jnq1RkOmzQekqp 5V2xIQIhAI8+MUyrnzYXxMVgdkRmpu7qbnaS5DOcDIXU79lVG3LWMA0GCSqGSIb3 DQEBCwUAA4IBAQBbm/cBX2IdgsUox+k48P98Xwg9tpIplxJm6akLdhv7OTxEEPIz DWE/JX4yEhJ51WM1da+HpjRYq/x3387nOIXP1ypZk20k3/oVa3Hq1FqfLKbJs+e8 oay5wb3tSkHi4nhcvdp97EovnUn1KB73wf9ALBiT55wYCKiw4y+/KoHOtcuKgzGM MKaRiXyuWTKlEj8F0j6pGGqJ55xhXnv6X7DavakPQpravFwwjXxo8Yk/6Vrylf8x v+uKHJJgKkyQm8lwBWIw+darsfAO25dBQ4oFrEMmJSZlHYJut4v4t5toAywjVqac M4u3/mks3TvAmwunisfT2zZD05W1d6qNK2FM -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAyUcExSG9VlzqoY7dB5QM O9hBkQV6dUM43K634ReF5/T16CIJNWSC9Qi3Czc7rnaE33Y1fk7TF/zOsMzQ9UyH vITN53FkcU47n10d5YPVQ3zAGyl0zBn543x4O+WYmRe6e1AsQEWQCM7wdDLhTGaD Gp3tvE8Pw0MprmEFb5+QFfm2nNhaiJLRQBONtP8OGCegRZBaYO8LttPFoiynqGbt Q/9y2ekKvpEYpcdwUqdaQv9KIKn58EPYIjKejD2HEgRPN7sEyie1Vbb2ci5E4IBA MGG75R/ocf+ixUMx3f0IWLbyeU7QucZSsF0xO1qWTdXdfIqz1VYYUaXowc39UOHI ZQ8KEfwqhrcBNXS9d8Y/yxyGHJjlGHRlG+kxIwMkkzlRRXrMnErv0W+HCRidr7iv krbhuzdek+9SSxxdMaejJ8G4qOfzhrmxDk5Xd30h4L1CPquoJ9b0TFkIpcp681FZ JtwuDqKGrs/onxkMAuugzTyOFk0/KsoL7PdZs59RSdKPx2ggXF0MMlu3l4SC1HUb veXrHZcokytBzHqhelctswr7OIPSrYLubhSPbMpX2J4eo/jI0iGFIvh8RhCRJrQO 2C/DjPtPM+q8eTcPK0KVdLPVu6fBCx+enWHbCCBBsWGfoeTIFmxylkDdpxCR6TrB CrzhrhTdtnVV987/jpbI86kCAwEAAQ== -----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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