www.cat.mx

Issued by R3

About this certificate

This digital certificate with serial number 03:67:87:df:2a:58:8b:92:a4:f5:c9:b0:91:77:96:6d:be:da was issued on by Let's Encrypt.

With 2 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=www.cat.mx

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:67:87:df:2a:58:8b:92:a4:f5:c9:b0:91:77:96:6d:be:da
Serial Number (int): 296566546108644295939164798305939038781146
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 52:f7:dc:ab:f6:7d:d8:06:04:f4:90:eb:1a:a9:26:69:c2:91:54:01
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): a1:b3:2f:c6:29:81:a4:a8:33:05:c8:6f:1c:5d:19:bc:89:d8:fc:35
Fingerprint (sha256): be:dd:7f:12:c4:be:f1:f7:01:e4:d1:16:55:87:5f:e7:52:2b:3e:97:aa:e3:b1:cf:9f:20:eb:37:6f:78:d4:e6

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

Revocation information

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

Check the revocation status for certificate www.cat.mx

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.cat.mx

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

cat.mx
www.cat.mx

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lgusd.org
toltonacademy.net
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ads.gesd32.org
www.rmcacsearlyeducation.org
www.cat.mx
rmcacsearlyeducation.org
admin.smith.fhasd.org
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admin.ath.luling.txed.net
www.cat.mx
austin-es.weatherfordisd.com
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admin.athlosbrooklynpark.org
amjhs.mcisd.net
admin.ath.luling.txed.net
admin.athlosbrooklynpark.org
www.cat.mx
admin.ath.luling.txed.net
www.comfort.txed.net
www.cat.mx
admin.ath.luling.txed.net
admin.ath.luling.txed.net
turner.wisd.org
admin.berenacademy.org
admin.athlosbrooklynpark.org
fhasd.org
colonies.sunrisesd.ca
johnston.fhasd.org
admin.athlosbrooklynpark.org
www.cat.mx
admin.ath.luling.txed.net
cat.mx
admin.athlosbrooklynpark.org
www.cat.mx
www.cat.mx
admin.athlosbrooklynpark.org
admin.athlosbrooklynpark.org
cat.mx
astaro.cat.mx
admin.ath.luling.txed.net
cat.mx
admin.athlosbrooklynpark.org
ccs.gesd32.org
www.cat.mx
northglenn.gvaschools.org
www.cat.mx

Certificate

The complete raw certificate details for www.cat.mx in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAwW0BoA8h02eIg74x6C9y
Qaa5CCuG3a0fH3JmNV+e0Qsm+HQ/ehz+1T4oK4iRCFJgFHY9uMHw7HYX1X+2w/TF
JDFRtBKoxHAG7tdcTpxkk0nHImGepH+w+jefWoxyvrlk3z6I7ppp+dySTca52MlB
hMLw6pbgyG1SfDYgxIiPEofANbMr1gp8NZfiCB/HzlMCkmx/LVDvdaIfWzIA/8U8
KjfwWwrcKkYIYyoyB6PV/3OiK/Wn0HHhqESIfIQZlfVkSuiduQQJVcQUb84k0nbo
1Pu1WnoBiHrsyaoIhebweatnPz3NCZYIGBKxSbYHGsUQVRL/VCqTyXzQGE2rg/lH
dQIDAQAB
-----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 296566546108644295939164798305939038781146
 . . . . . . . . [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 2024-03-08 12:24:12 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-06-06 12:24:11 +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.cat.mx'
 . . . . . . . . [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 24417745892326368588843908454299528809672052622508423583028979006170488071048344549175309149944720267375080312182599587082559963686947617723619765030951700279174448289205105640195609955349163001238290097420769221077947100999069821912090584323573394410012690546540537575340602429623656667570439563518255675380158366748046424793586383897013056896316061010551104483084470649037791261483935878119076474449804100764403793534270314445719085902433800064533312493279512134989648968075018256457597405802239706516604003242815478195826382509558627212798026684501742040495474988560334735096353108877201797156044561751285767423861
 . . . . . . . . . . . . . . . . . . . . [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)
							52f7dcabf67dd80604f490eb1aa92669c2915401
 . . . . . . . . . . . . . . . . [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 (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'cat.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.cat.mx'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018e1e3c4f660000040300473045022100c5791d5f08264fadd6245c40f9c36419a23801b8c411ef69326df8d8f09f270e022030e06130195bf3f44c0a390c813571e71c64c21d1efe18cdeb859978e1d0020c007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018e1e3c4fa2000004030047304502201db9c0fce4b0e1cb235118ad28f17088c221b181356e8eedcf75517dc0343d410221008333ce721b7b4d53f683d2e1c959c481efed7b6661200614879be302092f5fbe
 . . . . [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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