DV SSL/TLS Certificate for *.kdt.com.ph

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the *.kdt.com.ph DV SSL/TLS Certificate

This certificate with serial number 06:61:ac:2c:84:f7:bd:07:bf:63:74:57:ea:3b:0c:9a:77:de for *.kdt.com.ph was issued on by Let's Encrypt.

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 *.kdt.com.ph 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:61:ac:2c:84:f7:bd:07:bf:63:74:57:ea:3b:0c:9a:77:de
Serial Number (int): 555909963555135217754433212277490116622302
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: db:62:86:1a:51:6f:8f:47:85:8b:36:39:f7:69:d9:1a:7b:47:a9:ef
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): e9:c1:6b:91:44:b8:9d:75:e1:f3:7b:05:ec:37:b6:37:7a:51:e1:25
Fingerprint (SHA-256): 21:2f:5a:56:ad:4a:d5:4e:73:3a:f1:4b:36:b3:50:f1:00:99:5c:59:51:e4:f3:4a:24:e9:49:ec:43:ef:3f:b7

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/95.crl

Check the revocation status for certificate *.kdt.com.ph
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for *.kdt.com.ph

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 *.kdt.com.ph in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3w5tqPuSq8AqRvAsD5at
1rBGFex/xo9l3DejxWBWWLrPT8DCH4dxo1/H6iLzn567Yf1k1HeuT2WpuZYaeouN
P9of3QckqKbqjc80pL4zOX001j/N4ujdcRgZ7zaaQ0xpU+b8yK37tx1lJibK0Jnc
/qFCtvEvGP55Ios2QBF6wYaBAx8zKJQ7Uai9vlfB4KditSf/+hPCUZjleGXXMiqk
1PBozLBz8+I3QbreSxVP0ZyMHmpv+tIeSoiRYe6DJNMx0SZo08ZMbM0HdmgaZWKy
5EblrtlFmffylNVuKc89nFTJfjSBzqHUpTNPe0StNPRMDMGTw10dTqkvFVYJXERO
FwIDAQAB
-----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 555909963555135217754433212277490116622302
 . . . . . . . . [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 '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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-23 17:26:06 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-21 17:26:05 +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:12|false] UTF8String '*.kdt.com.ph'
 . . . . . . . . [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 28158256896785291178144047750296969613753014684396260368071049016928875695720480587711213016670267235408188610216580427010445887401700818191115723830184495299855353673833863198640840390608482018354574424614005925062889880634001145065210375439148330495294866140648243381578393393627609580911830171228751059281573470317959477944735748419511976065381524484036471728874120521980482023348275800652272935406340081641520499354598004463842355716021716510859912722963620719795968185119930745247763571306342950828495083500692922080557065917097004745018238796059434000006471735586459948536726409481187774626550701932375770942999
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.14
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							db62861a516f8f47858b3639f769d91a7b47a9ef
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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 (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [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 (28 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.kdt.com.ph'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'kdt.com.ph'
 . . . . . . . . . . . . . . . . [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 (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
 . . . . . . . . . . . . . . . . [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 (39 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://r11.c.lencr.org/95.crl'
 . . . . . . . . . . . . . . . . [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)
							00ef007600ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe0000001979e08f41b00000403004730450221008cbc262007fbeada745905bd2765e18e2d24a28907d6083bb5535702043d683002203f12a7efd1ef82433cdd904d3714da24c0bf379a04cd5f1b92a1138b32750110007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a000001979e08fc200000040300463044022062ac5f4a3300b9be078a6d2d828df30067b2c40ad6a2b2903340e2c2de959a6c02206379a7b954f902837f42bb92908ed15f767a02f97a537c8c793ba81158d156e8
 . . . . [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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