DV SSL/TLS Certificate for *.congreso.redott.mx

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the *.congreso.redott.mx DV SSL/TLS Certificate

This certificate with serial number 06:eb:4d:25:fb:a5:f6:62:77:b8:ae:a0:ea:99:ba:fd:26:32 for *.congreso.redott.mx 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 *.congreso.redott.mx 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:eb:4d:25:fb:a5:f6:62:77:b8:ae:a0:ea:99:ba:fd:26:32
Serial Number (int): 602742619591674932788409939454282711246386
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 1e:42:90:e4:59:95:95:08:a3:14:93:3e:c3:b1:44:31:c5:e0:50:ab
Authority Key Identifier: bb:bc:c3:47:a5:e4:bc:a9:c6:c3:a4:72:0c:10:8d:a2:35:e1:c8:e8

Fingerprint (SHA-1): 55:5b:d1:47:e3:48:c3:a2:5c:77:01:6d:cf:f4:01:4f:c0:73:e3:7e
Fingerprint (SHA-256): 8c:5b:90:f8:3b:19:77:81:50:51:04:be:db:e7:22:eb:19:50:37:7e:23:42:a9:db:0c:96:ba:48:96:87:ac:0d

Issuing Certificate URL: http://r10.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/51.crl

Check the revocation status for certificate *.congreso.redott.mx
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for *.congreso.redott.mx

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 *.congreso.redott.mx in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAnJqUleXMcB7OvFEbej2L
1jGDQyX44jLtKmzBm1xOrD5BvkeCEL40huyVdp//nbb6NtzOLL8rFZdetrspGWsh
xq/2YFUqkYnF/acyap1sHi0ZB8b0iJw9MDXbuuLrASbcQROgwGZh3hn9wPurc1iV
LzEyfVy4K1W8Nqg5gbZVO5QqIb9FNulVz66qEb7dpDx5F6egrkblCxC1OL9e0tj2
TWAWTfmLhJcB0ZopCANaqnIozxnlqDNzUSRigrFGKWNkT0E+sDoN2StNdUJYX25b
FH6zXr1sv53Urpjji2Xs8Vg+4imWvz7uzpKlvGrPcCASeADATtG7qwG8xApGnWXU
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 602742619591674932788409939454282711246386
 . . . . . . . . [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 'R10'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-27 13:00:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-25 13:00:31 +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 '*.congreso.redott.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
 . . . . . . . . . . . . . . . . [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 19769402016987301136476015928162082892009809504357946808975096038236287991447630647636510737859293366476158752379629775789462539746142930049438597685538798903613138689792692403166874865327107508709425729830789179884963353461199546211175815851347093872386028084368873399709374111141183793633374880363575272899665396111244149970873042010784553671390234240943670277472398050295395347245539264381623173442737963511972059600790290034235988220215014177180382709190135867719434967933424152479014162169735994889848250011867088231296886409023541330821798115458883433984649841820919589084687831812427502330771703881139751343243
 . . . . . . . . . . . . . . . . . . . . [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)
							1e4290e459959508a314933ec3b14431c5e050ab
 . . . . . . . . . . . . . . . . [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 bbbcc347a5e4bca9c6c3a4720c108da235e1c8e8
 . . . . . . . . . . . . . . . . [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://r10.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 (44 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.congreso.redott.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'congreso.redott.mx'
 . . . . . . . . . . . . . . . . [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://r10.c.lencr.org/51.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)
							00ef0075000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa3400000197b1af40dc0000040300463044022061165ce31eac1361279960100c1f4ff4536e283dd7c453755bd3b1734250c32802202741865a2e54cd3775ba64e5af69d28292a9101d06f0666003866ad5e19323af007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197b1af48f50000040300473045022100f459f34ffa2f175eb9f8a91fec723956f654763283047b927a3bafa55938b7bc022051b1c2133faf9e47d4115fe16deb5936a687b3eea64c97af47f75c4421ed947a
 . . . . [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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