www.peace.ph

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:ac:be:41:15:fe:7d:bc:6c:b7:22:ef:b4:39:8f:71:ce:1c 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=www.peace.ph

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ac:be:41:15:fe:7d:bc:6c:b7:22:ef:b4:39:8f:71:ce:1c
Serial Number (int): 320118316170270562808203536889391233486364
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 60:69:3c:48:ea:49:4a:27:3c:cb:ed:e6:7b:c5:9a:87:97:31:43:ad
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): f7:66:6d:92:d4:15:90:cd:48:ee:76:d7:89:14:c4:13:a6:fc:d8:87
Fingerprint (sha256): 16:c8:2b:db:cf:98:79:e4:f4:aa:23:24:ff:74:af:1f:68:c5:d1:29:7f:32:b8:91:2f:5b:37:e1:fb:c9:89:00

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate www.peace.ph

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.peace.ph

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

www.peace.ph

Other certificates including the domain name peace.ph

(limited to 100 certificates)
www.peace.ph
www.peace.ph
sculpit.institute
peace.ph
88.1fmradio.org
gwl.me
peace.ph
entropy.live
peace.ph

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 320118316170270562808203536889391233486364
 . . . . . . . . [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 2019-11-27 10:57:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-02-25 10:57:15 +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.peace.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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 930521717691813625763787887201314749112339209887206694218581095957532456460426906214855277510207818206387860965832800065260288976962758750515383052284358169840500715011377256428667193411805756426262269310776141170967870123024265154485661903798028282978274399956657336879074122354808436964626113379678965018110356766533764954996622989839968593782026306523924940430153614535140528346353234980027589259226887664694878154274235190755355596245143877509237596509082464231749870841774418115277018621377535286616286336580895681597618769654629354113960688681005161860540813267052289696522225380914277495939961838885003491482801983972749221105296423587038899432585810396969459796859339406774445226423970067545167637640328009889910599765233428730338614116400739131210530916992562510066258423599185037674574464509188470785441153416330204777479553943877101324917911247952230686986531208466607867904916737803511013162696903569065774566509678829620708884490915288910614770356734753801095818381707224561004053375991974234454864972964144495308484537275635945709501926499836139606234653642943784627606879844185177617764046272864567345382556986531298723201817912659361982475310202415428853618779210872899266155312892091207540618506900397477275169016413
 . . . . . . . . . . . . . . . . . . . . [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)
							60693c48ea494a273ccbede67bc59a87973143ad
 . . . . . . . . . . . . . . . . [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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.peace.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 (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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700f095a459f200d18240102d2f93888ead4bfe1d47e399e1d034a6b0a8aa8eb2730000016eacb900220000040300483046022100c382a12e7b46cb80155dcb24083901e9cb3fe72b060f1a0aec4ae52ee3168e0e022100b3468139284a221935c67adfcf78ee9d42e36c0e6178860b8f148826c599328e00770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016eacb900450000040300483046022100b9d729f30e7b510e982a0c86c533f44f268dd3b41840d6f67dc22ee0026395db0221009a5ca55db04bd6af40909be946eac4b6af7b05623c7edcdd3eb387497c0ee1a1
 . . . . [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)
		008b8f252261bf56ebe204010a2b4a07bb7a64a782ec9bd29b1f6a6efb3decf45af599cc9fc27f002ead8bed3833224e9ae95435c5ba9df23b63f5dd8b7ca26ecbec502e85add170b5f9d87a4d4478c0111785d564cc73bcec1cbd8b637204adcf8cebcf6a5624839a9d99a3fdc5051c68885548250d7e93df8a1fe23adc6798018c9105567b78e781918940d7f667f327a69b698adae7f94ba7df121fd4885693ca7cd023571b30d896c76b684b2dd42688e35896f8997bbc3500d071b923dae926f5184dacea39e11f0ffaf10e25fdb9ebf89a4c99e1ccdbb95bd1b9c2eb633e504c9670bd8ed81f79c5f314546911c4b0d93f50c610830f59ab0ba6c3b6d71b