mammothusd.org

Issued by R3

About this certificate

This digital certificate with serial number 03:84:d9:2c:3f:99:89:ee:db:e8:7e:54:e1:01:7d:bb:91:24 was issued on by Let's Encrypt.

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=mammothusd.org

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 03:84:d9:2c:3f:99:89:ee:db:e8:7e:54:e1:01:7d:bb:91:24
Serial Number (int): 306542802454948121497788208600854902313252
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: ad:15:fb:6a:53:6b:a4:3e:f1:d6:c0:fe:6a:01:11:e8:11:e9:1c:d5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 21:86:40:e8:25:e6:57:9b:41:f2:01:33:0e:50:14:bd:1e:c6:f6:c2
Fingerprint (sha256): f3:81:8a:35:eb:09:82:eb:8b:a5:d4:63:dd:93:17:a6:84:35:8a:bb:d9:d8:a0:ed:40:96:35:fb:ac:b2:c0:1f

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

Revocation information

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

Check the revocation status for certificate mammothusd.org

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mammothusd.org

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

mammothusd.org

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www.nuview.k12.ca.us
bis.bayfield.k12.co.us
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abbott.lynwood.k12.ca.us
abbott.lynwood.k12.ca.us
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www.mammothusd.org
mammothusd.org
aeries.mammothusd.org
mhs.mammothusd.org
admin.bentonms.org
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mammothusd.org
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abbott.lynwood.k12.ca.us
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abbott.lynwood.k12.ca.us
mes.mtsd-vt.org
admin.aerostem.org
www.mammothusd.org
www.rbuhsd.k12.ca.us
admin.aerostem.org
cusd1.com
mammothusd.org
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nes.nuview.k12.ca.us
nha.lcisd.net
admin.mes.mammothusd.org
aeries.mammothusd.org
mms.mammothusd.org
abbott.lynwood.k12.ca.us
nuviewusd.org
admin.mms.mammothusd.org
admin.aerostem.org
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abbott.lynwood.k12.ca.us
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mammothusd.org
admin.mammothusd.org
aeries.mammothusd.org
aeries.mammothusd.org
mes.mammothusd.org
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www.burkeschools.org
abbott.lynwood.k12.ca.us
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aeries.mammothusd.org
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abbott.lynwood.k12.ca.us
admin.bentonms.org
marktwain.lynwood.k12.ca.us
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abi.mammothusd.org
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abbott.lynwood.k12.ca.us
admin.aerostem.org
mammothusd.org
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abbott.lynwood.k12.ca.us
nlmas.org
admin.aerostem.org
mammothusd.org

Certificate

The complete raw certificate details for mammothusd.org in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAhW9DvOLra5ST1OgVccw+
cGUm8aHZfJ+JDerwtzZ2oMRBYSorKtquc/UCwOW/bLvxFEQC+G4ZRvqXLp7ZoJDQ
iIkl7tydtoSyIHW3/Fsg4ZBZV5DM+SJ8+KGUE4xPwg1YOL5Ed8TwpvMMJoA+YPWG
SBu7eB2TnSEMFSOheqsb9nj62OkTnQCIv3enFvv6E7LOuXpghC1UNWCdX2j6l27s
M/rSHhwZS18TTCnXwmiVerlGgExpWuPR9NwkGrQ/Sn3jDWdN4RE2Msm6rCF5wI/w
xrrKYNz6/QjIN8f5sVQ5HjGBp4nknR2UaQwt2iUEztu8gLhz4NaY7M4UA1I4JznW
jwIDAQAB
-----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 306542802454948121497788208600854902313252
 . . . . . . . . [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 2024-05-18 07:29:32 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-16 07:29:31 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'mammothusd.org'
 . . . . . . . . [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 16844561180110215698741826322821055151678714006112956188031377061857263796864771059249000413708161616391958542096617920480423963064684352297184339317771089019302192165206929615585319113258397299881244012436188779227429806903936926331843619492128426791965663248329943136735470154998467273275005722565977101889770371629312009285738461170030476983677402731373995011206927003369062449567796136086317092014219880748881129814619870202206543595602350816635752218400026025094016234363352204778311236327423576420116342301875086061975150335721559313006409548873412751978594544357800121745833282258677574732230592940774482630287
 . . . . . . . . . . . . . . . . . . . . [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)
							ad15fb6a536ba43ef1d6c0fe6a0111e811e91cd5
 . . . . . . . . . . . . . . . . [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 (18 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mammothusd.org'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018f8ad20be00000040300473045022100f1fe7ef07a89fa566c8d7ef979413fa86c5d00c47e6ae851b114c46a06c8024002201304bb03c03951dfbb68b1b69c3d6988de5ef2753f7f7abccc503849c9cefa8500770076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018f8ad20c340000040300483046022100b0b325a41814dd15c7af884a3102274aecbdd22d08fbab98421c6471690dda13022100a1a2f14be5150789073225cc9fc4e5c65d38c0f45454758ca27874703e43ea49
 . . . . [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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