itg-dns.com
Issued by R3
About this certificate
This digital certificate with serial number 03:c6:4b:42:db:b9:49:59:1e:34:ba:1f:2b:52:6e:de:9e:11 was issued on by Let's Encrypt.
With 3 subject alternative names this certificate can be used to secure multiple fqdn's. This certificate is currently not expired, we haven't checked the revocation status of this certificate but you can do this simply on revocationcheck.com. 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:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=itg-dns.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate will expire on
Certificate Details
Serial Number (hex): 03:c6:4b:42:db:b9:49:59:1e:34:ba:1f:2b:52:6e:de:9e:11Serial Number (int): 328812805693430701102324405176404600069649
Serial Number lenght: 138 bits, 18 octets
SubjectKeyId: 80:4c:92:63:06:dc:b8:49:b7:a6:f5:84:4a:c4:94:da:3a:6f:76:40
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 2c:b3:38:7c:82:6f:08:ff:63:ec:a1:35:86:e6:cb:28:5e:52:27:3f
Fingerprint (sha256): a7:d0:8a:27:6b:d9:8d:f6:b7:af:e8:ff:d1:3e:4a:74:87:92:b4:72:b6:59:03:e2:56:c2:86:4c:50:8b:8a:40
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate itg-dns.com
3
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for itg-dns.com
Public Key Algorithm
RSA
Key Size
2048
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
itg-dns.com
webmail.itg-dns.com
www.itg-dns.com
webmail.itg-dns.com
www.itg-dns.com
Other certificates including the domain name itg-dns.com
(limited to 100 certificates)
Certificate
The complete raw certificate details for itg-dns.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIFCzCCA/OgAwIBAgISA8ZLQtu5SVkeNLofK1Ju3p4RMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yNDA1MDYwOTQ4NTdaFw0yNDA4MDQwOTQ4NTZaMBYxFDASBgNVBAMT C2l0Zy1kbnMuY29tMIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArvT1 YDQoNuD9KYnWnYI81pFAa0U+3ZPWJuOMarM3ypKc5jwLdj5Gqe5psp47PX40Cqiu ZSW+yjzVv8OoJhLqyc9oiy5Uwkd3h1PN8qJ+MUObtwXwO2W4N3qW3+aSPo0bNHrj wtO8Jn4n7kBUMftXKS2opgDKvl0RFL0SCtW5b4lFh44bLjmt7sawTZum5XVrXXsH TymqJ4V1l3e0Yt7K3+vUD/rqtCKXPRikd1H+uC9IizwHBYezFqF50Ih4IU0HlVj5 e2TgOSkog1oXXLki2G6nzCX/s0DIpjAXo9UYDSjqVSaLey4RQP6Sy+LqqeNJSLUL JX6a3cIuEVougrTIAQIDAQABo4ICNTCCAjEwDgYDVR0PAQH/BAQDAgWgMB0GA1Ud JQQWMBQGCCsGAQUFBwMBBggrBgEFBQcDAjAMBgNVHRMBAf8EAjAAMB0GA1UdDgQW BBSATJJjBty4Sbem9YRKxJTaOm92QDAfBgNVHSMEGDAWgBQULrMXt1hWy65QCUDm H6+dixTCxjBVBggrBgEFBQcBAQRJMEcwIQYIKwYBBQUHMAGGFWh0dHA6Ly9yMy5v LmxlbmNyLm9yZzAiBggrBgEFBQcwAoYWaHR0cDovL3IzLmkubGVuY3Iub3JnLzA8 BgNVHREENTAzggtpdGctZG5zLmNvbYITd2VibWFpbC5pdGctZG5zLmNvbYIPd3d3 Lml0Zy1kbnMuY29tMBMGA1UdIAQMMAowCAYGZ4EMAQIBMIIBBgYKKwYBBAHWeQIE AgSB9wSB9ADyAHcASLDja9qmRzQP5WoC+p0w6xxSActW3SyB2bu/qznYhHMAAAGP TYVhpgAABAMASDBGAiEA88YTtDDQKhGBYwtJT7EfL3oq8sm6YbdBaICr/6GXuqIC IQDOKMe3Xcr4yr3/xGwZUzdAq8YwwMPVoDBA3YWuA2WrnQB3AD8XS0/XIkdYlB1l HIS+DRLtkDd/H4Vq68G/KIXs+GRuAAABj02FYawAAAQDAEgwRgIhAKYNuziLPTuL E17Tlzza39DKYoKfeN8jiN4AATzAgi7tAiEA3DMpEfpZfUd+eXfdD09W+V7OpcLA gSll8wXkNeoHyYUwDQYJKoZIhvcNAQELBQADggEBAKZDgAGLNjEXDx6kI781Tmzy +c45t5SVICjNe7RKGgmOab8xtB4F0fZ3IH+UFLG6OCaZV5YXm8lBLCxI/xcvRKcV H185C7EPiiYihj1sDyeDsLAkRXCcVI8U/7dsnxEycgRYkjA+qvzjVfAZG/HIwUuB /48Dh23lOXTxl1IO9PbMfTK9p6zN6jQgzwHzP/Tam3fCtnUFXxmXbGbvdCTJSxtB zGjlCfdOeponWpcPUZ9xo07qY6lXDOWHb9gztIj56PCFxKNfKqZudmrErg9mkT21 9VXsMusWQYDUg3aFAAAF+LcNkULIuHKusaG6T9wp+3XWBGrTKVdEfFrT9PNb9m4= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArvT1YDQoNuD9KYnWnYI8 1pFAa0U+3ZPWJuOMarM3ypKc5jwLdj5Gqe5psp47PX40CqiuZSW+yjzVv8OoJhLq yc9oiy5Uwkd3h1PN8qJ+MUObtwXwO2W4N3qW3+aSPo0bNHrjwtO8Jn4n7kBUMftX KS2opgDKvl0RFL0SCtW5b4lFh44bLjmt7sawTZum5XVrXXsHTymqJ4V1l3e0Yt7K 3+vUD/rqtCKXPRikd1H+uC9IizwHBYezFqF50Ih4IU0HlVj5e2TgOSkog1oXXLki 2G6nzCX/s0DIpjAXo9UYDSjqVSaLey4RQP6Sy+LqqeNJSLULJX6a3cIuEVougrTI AQIDAQAB -----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 328812805693430701102324405176404600069649 . . . . . . . . [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 'R3' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-06 09:48:57 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-04 09:48:56 +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 'itg-dns.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 (2160 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 22086258602087794508175370595670784319126882373135981869678599238876590749963692117833070861171239835972876667899075854599917167705457765759337620638167069219200158521696085702553773435574152657330062729658700071254847278967645193981665184083755296664327564419980423659588295798708401001191107931301484524529851880301496235460839078131594041802268389084003522078064597167992278632494260814064961864398414572404421884678719982084065589167526541654533113790712966480415871729565114077348287173821299719007256067133463475564334475052235597425564077473837513803958090550900392068806651576346601398630076233630481948919809 . . . . . . . . . . . . . . . . . . . . [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) 804c926306dcb849b7a6f5844ac494da3a6f7640 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6 . . . . . . . . . . . . . . . . [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 (73 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://r3.o.lencr.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://r3.i.lencr.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 (53 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'itg-dns.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.itg-dns.com' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.itg-dns.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 (12 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 1.3.6.1.4.1.11129.2.4.2 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes) 00f200770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f4d8561a60000040300483046022100f3c613b430d02a1181630b494fb11f2f7a2af2c9ba61b7416880abffa197baa2022100ce28c7b75dcaf8cabdffc46c19533740abc630c0c3d5a03040dd85ae0365ab9d0077003f174b4fd7224758941d651c84be0d12ed90377f1f856aebc1bf2885ecf8646e0000018f4d8561ac0000040300483046022100a60dbb388b3d3b8b135ed3973cdadfd0ca62829f78df2388de00013cc0822eed022100dc332911fa597d477e7977dd0f4f56f95ecea5c2c0812965f305e435ea07c985 . . . . [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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