www.alt.ai

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:c4:c8:37:ab:28:86:8f:e6:aa:85:d8:0b:66:4a:83:d4:12 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.alt.ai

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:c4:c8:37:ab:28:86:8f:e6:aa:85:d8:0b:66:4a:83:d4:12
Serial Number (int): 328298336358771695050797815307166564996114
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 32:c6:4c:b2:d1:0f:dc:e4:b4:37:f3:97:04:73:30:66:7f:7a:64:22
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): eb:24:7b:45:3a:da:97:54:47:90:ce:c8:0d:1e:c0:e5:67:69:d6:10
Fingerprint (sha256): 94:71:dd:44:6d:32:08:fe:19:3a:10:08:ec:57:b1:d2:bb:2b:14:f5:cc:4d:ee:9d:33:9f:b7:21:dd:12:3f:d9

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.alt.ai

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.alt.ai

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.alt.ai

Other certificates including the domain name alt.ai

(limited to 100 certificates)

Certificate

The complete raw certificate details for www.alt.ai in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2YRNheA+3QUSULjNteb6
1sA/3BIQi+QeB5mgruv5eLHSEPlcPm7o5GL2j/Y8pWcDSCmHOxljPr+1fUmoKnB7
wCc1ZoWiNYIerlpWvy2aU0siilkxc+DmPRFyTd3fJnFIgfRSZR+HUcNssOmWJ+u/
dJgmxjcCVnrGM3AC3Q+HOzX0TnT5u7+ak3P2GTZ2yYIXs62XX/XpULWIOorcdSWE
Y1QoIjnARlmUOVIXSH8oskx5X9TR2l4o8b4bkkbg98QxEh6MWFkFfOi/OE02RHzV
+Vw6gt0lCMlGSYR89C3WxkOc6THcdNhUEzxTPbBgp1Y6LR4m5uzTx6XboXNmJfXr
2QIDAQAB
-----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 328298336358771695050797815307166564996114
 . . . . . . . . [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 2018-09-23 15:00:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2018-12-22 15:00:15 +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.alt.ai'
 . . . . . . . . [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 27458953131730048885439252413806728916640360970065975058376313272735916270362727422338313504810067419803076017227021532172738851201267493948521836599167687685296101853808597202309175649735991807577490584550027168002615798951243109274152102962631569716760804286852987438738047234616143076616934679927593141950298265238906786886830036771399985183680010816736056895047880280359447061838828302059460285001046816359899079511088106770886599058735019371977092481682750564136395098289815875811698637125754562685275688314565110009583984622341761037618576881220742029588810477572001404468796803690935845236528868255905797762009
 . . . . . . . . . . . . . . . . . . . . [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)
							32c64cb2d10fdce4b437f397047330667f7a6422
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.alt.ai'
 . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f1007700a4501269055a15545e6211ab37bc103f62ae5576a45e4b1714453e1b22106a25000001660728f066000004030048304602210093782ce0b8e0ce7acc1eaa2651cde02cbfeb735d48fe10ad89acac14cbd28f95022100af2b105ac1d8856d294713472ba5e3c2d042aab3950f1b9bf5be2657caa80427007600c1164ae0a772d2d4392dc80ac10770d4f0c49bde991a4840c1fa075164f63360000001660728f2590000040300473045022045328127546151024be4cf07d8b1d0a55e1dedef2d83dfb13e3bd9454d6521e6022100c913b73474b009a3b0022dc3270ef1c377739449cf2027c9545492d163b5700d
 . . . . [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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