www.devtac.ph

Issued by R3

About this certificate

This digital certificate with serial number 03:5c:4b:cf:49:a3:11:8f:73:3c:53:31:2e:47:b4:ba:5d:f8 was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • 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=www.devtac.ph

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:5c:4b:cf:49:a3:11:8f:73:3c:53:31:2e:47:b4:ba:5d:f8
Serial Number (int): 292743603950676190200430194265515437481464
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: a2:c2:59:0a:20:50:30:4b:06:3c:aa:a7:e7:75:7b:60:31:93:5e:4d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 25:29:d8:c4:00:56:7a:bd:c3:25:b9:ac:9f:5d:fe:32:48:43:c1:2f
Fingerprint (sha256): 61:9a:44:6a:41:50:2c:1f:7e:ab:40:39:af:36:9b:e0:03:3e:4d:59:94:5d:25:55:03:31:5b:b2:60:83:df:31

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate www.devtac.ph

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.devtac.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

9 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

www.devtac.asia
www.devtac.ph

Other certificates including the domain name devtac.ph

(limited to 100 certificates)
devtac.ph
www.devtac.ph
devtac.ph
www.devtac.ph
devtac.ph
devtac.ph
devtac.ph
www.devtac.ph
devtac.ph
devtac.ph
devtac.ph

Certificate

The complete raw certificate details for www.devtac.ph in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwDWgrAdXUH+hAr2BL2yc
PHP1UNpAup+ZrLdaz+Go4Sw89hc2peHeW5hqhmrnT3CnvISJp2ZNUXP2l5yN79Oa
WZsZO8tdwMVlIMh3Q5j2P8AYsvF6HZiDpDdjlqVs/pQt3Jo3J6/czV+Cll2JTDaQ
68x+h2cfnAaYGR9JN6Mi5e4wtJMATrI3Cj71Ip6H58weJJaHgQALKz4poMLkA5uI
fBIp6A2gqkBFut5KNW5cMmr3xaYbElVgIeapTAfDk1aBPc94Yf3T5xwKAVIh0cdU
32WkzWbf3cBR8bAmiw+Dbg5ge/JgEp9i1enZsf40HeUtn0W9wKPd0cRyZqP9WG2R
iwIDAQAB
-----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 292743603950676190200430194265515437481464
 . . . . . . . . [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 2023-12-08 09:19:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-07 09:19:07 +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 'www.devtac.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 (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 24264199320955727024045390887506377055575015698634990961906384349444377925644956336394582342839470857958885860582774801832737746621334335574755166976590657554596254411834699696358048830410647824562950483438544213507651535747968607109260045706588840080214488678043134827121797674244826724422315854879866238830157127063166304956071568667127452732622916991541993291001391587994843264885280237904979541739830144450641485514232464253218015868149107936802567056967247262783964613570172097078444833619175116550601953482572086118471164615183428515106150748755167757179155673265304590744116385772587865122642323655401673691531
 . . . . . . . . . . . . . . . . . . . . [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)
							a2c2590a2050304b063caaa7e7757b6031935e4d
 . . . . . . . . . . . . . . . . [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 (34 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.devtac.asia'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.devtac.ph'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c48f02aa70000040300473045022024c03ea01cd5fd10a35f2fd80591ef33f8355092fcd50009d7ba8875ac99609c022100de4eb7dbcf351f2e837dcb68dc87a2cc8aaa6a41b350df82370aec639816d61900760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018c48f02aea0000040300473045022100995caf377eb3237a8456f23a7796fd39dcb88cb92f005c0edb19464c3ce9db5202200d1bc3d2c6efbc76cb0b35b2034d6a7d72a9fed50ed4b3e7b7db3d6729cd8736
 . . . . [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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