DV SSL/TLS Certificate for technodent.info

Certificate is witin its validity period

Issued by DigiCert Inc (RapidSSL TLS RSA CA G1)

About the technodent.info DV SSL/TLS Certificate

This certificate with serial number 0d:78:25:7f:02:55:ee:49:89:2a:6b:86:2b:72:1d:2c for technodent.info was issued on by DigiCert Inc.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for technodent.info provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

DigiCert Inc

Organization: DigiCert Inc
Organizational unit: www.digicert.com
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 0d:78:25:7f:02:55:ee:49:89:2a:6b:86:2b:72:1d:2c
Serial Number (int): 17903800080082914080578716301404544300
Serial Number Length: 124 bits, 16 octets

Subject Key Identifier: 99:c3:ef:83:03:cd:b0:b4:97:de:fb:e3:48:b1:4c:28:79:48:d7:ca
Authority Key Identifier: 0c:db:6c:82:49:0f:4a:67:0a:b8:14:ee:7a:c4:48:52:88:eb:56:38

Fingerprint (SHA-1): b9:7f:10:cd:3e:9e:7d:53:95:c3:ff:be:8d:c4:47:04:86:4a:88:75
Fingerprint (SHA-256): b5:d2:7e:82:28:97:9c:5a:a5:05:e4:34:b0:22:1e:83:98:da:a9:cc:43:1e:3d:5b:da:e7:a7:6a:f4:92:de:75

Issuing Certificate URL: http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt

Revocation Information

OCSP Server: http://status.rapidssl.com
CRL Distribution Point: http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl

Check the revocation status for certificate technodent.info
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for technodent.info

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for technodent.info in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAusvGw+tRcxsHI0VxLKmG
J7EJqd0efWXh+L0h8Ez02xVgHXMhQAYoPAlUlRVEUFzhdHi5lyiNvxsurVhit+UB
FjyrQ5W+nTY+RwOs21MlH62Iz3ksjAnqH6UXhYX+PLG2q+c/LeNIO5ZTIIHwV4sM
aiJXRAIHukW5lE82rp0QroPeWp5/gZV6nNfNbSPNgzuX85Oazkbv0CzhA1Y10yvl
vM/TtYtgE8/8oMnYBTQzanRTVX2cpPSDbtAfc35rXlvDwOCqLB/vu2sHOhVHrrKd
G6c5yFt+Hn81p0K/bQ7TLr14y1womKFLLLV6xqrvj8d2fXQOZIAQRigk9ehLg7Ah
2wIDAQAB
-----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 17903800080082914080578716301404544300
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'DigiCert Inc'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'www.digicert.com'
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'RapidSSL TLS RSA CA G1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-07-31 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-30 23:59:59 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'technodent.info'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 23580810624996464829790628875911635883612363963069244129184996473288513311895681176761451635500560706064500839966245663401708131026040234800929403515070782959872274339253087462485479486547281507022492638937016548598829642166172781381723115903750162865684015303769423814221057550341715800689274959248613299830033196892740587208190662719631068999213269535506477984676478789177231412799739359724195234669643919895568856665689024149226298899619113809858509158583871296804597388733212871702990788522055060244325984094586325405920694281284424167308953081786699711322457990992870623861015437572652437985784426290663597810139
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 0cdb6c82490f4a670ab814ee7ac4485288eb5638
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							99c3ef8303cdb0b497defbe348b14c287948d7ca
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (40 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'technodent.info'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.technodent.info'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (55 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://www.digicert.com/CPS'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (56 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cdp.rapidssl.com/RapidSSLTLSRSACAG1.crl'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (106 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://status.rapidssl.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://cacerts.rapidssl.com/RapidSSLTLSRSACAG1.crt'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (364 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (360 bytes)
							016600750012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019108994419000004030046304402207ef655ff3dc1d116215aa7b0220e76dea0271d6d5067b02dbd903e15df9c8e020220479d3e075974f48d69db567d7e3b0def8f6150db760100df82eb5364f23cdfc40076007d591e12e1782a7b1c61677c5efdf8d0875c14a04e959eb9032fd90e8c2e79b8000001910899444500000403004730450221009593b43cc68d127a9b5e7eb9ca27a1aab5116f47ccde4fa2a8d738e5a1d3d99f022039e31540b891590ca9f0e35aeb3de888a7c735da4929028d49991a0d0faa8f1e007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db0000001910899444c0000040300463044022034c1b885a57679f4c176828a9089bd27dfc380f7211ac79ca0bfda3bb56eaad4022063879e34f2939fe33b56a8753178a7fdd287a664aa45257071540d1648b3f536
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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