www.usml.edu
Issued by R3
About this certificate
This digital certificate with serial number 04:4c:89:a3:24:7a:56:3d:71:f5:e1:11:6e:be:25:a0:d8:66 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.usml.edu
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:4c:89:a3:24:7a:56:3d:71:f5:e1:11:6e:be:25:a0:d8:66Serial Number (int): 374493554932702056012886439557733340469350
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: 21:40:70:74:c8:0d:e2:eb:42:97:fb:60:71:59:74:96:d1:e9:15:e8
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6
Fingerprint (sha1): 0e:91:dd:b9:3a:b0:39:02:51:d0:61:35:77:b0:cf:c2:f1:aa:fc:b3
Fingerprint (sha256): 3c:3b:cc:02:33:ce:83:7c:d6:cc:94:59:4c:2a:7c:07:56:be:1c:b4:ee:bf:a4:47:27:92:71:55:ae:c0:92:a0
Issuing Certificate URL: http://r3.i.lencr.org/
Revocation information
OCSP Server: http://r3.o.lencr.orgCheck the revocation status for certificate www.usml.edu
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for www.usml.edu
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.usml.edu
Other certificates including the domain name usml.edu
(limited to 100 certificates)
join.usml.edu
100.usml.edu
helpdesk.lkwd.net
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my.usml.edu
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100.usml.edu
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*.peter.usml.edu
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www.usml.edu
servicedesk.azinformatica.com.br
library.usml.edu
hdsupport.cafm-hd.ae
www.usml.edu
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my.usml.edu
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usml.edu
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usml.edu
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usml.edu
library.usml.edu
mail.usml.edu
usml.edu
*.usml.edu
join.usml.edu
usml.edu
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support.lifestance.com
usml.edu
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helpdesk.leggero.co.za
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*.usml.edu
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usml.edu
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library.usml.edu
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support-new.weitz.com
*.peter.usml.edu
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hdsupport.cafm-hd.ae
Certificate
The complete raw certificate details for www.usml.edu in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIEKzCCAxOgAwIBAgISBEyJoyR6Vj1x9eERbr4loNhmMA0GCSqGSIb3DQEBCwUA MDIxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQD EwJSMzAeFw0yMTA5MjYxODQxNDNaFw0yMTEyMjUxODQxNDJaMBcxFTATBgNVBAMT DHd3dy51c21sLmVkdTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBALTn Rs/knHg4+LpaBCZlVegnZZ6BOsGUBlBMASjZWhc4CBlH9S6JRaLZZxp7Y/+H4YFG 1OzmPfXM7krwNXWzLb9akvYIR8Yd7XutWf+o/5wDOQE3IcGWffeXaZEks1cs8OMB +DXieUsCrv1b20AOh9JUvincFnxJClgfN0krqYdbJHxQAdMWrVgAkmHnTdzwZxCI YMrXr3Or503A5426sSx+ROZvvRPDc1AtmNIoirgtH/IlONbeNiRbyPZ6magW6edy znxCq/68m8fG6W9MQFHyggskfdf6tjLo5t+Yn1Ha1QWhnyFi5y2X1xTyrNmCtKhh XY7jB7HkliqSwncxxxcCAwEAAaOCAVQwggFQMA4GA1UdDwEB/wQEAwIFoDAdBgNV HSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4E FgQUIUBwdMgN4utCl/tgcVl0ltHpFegwHwYDVR0jBBgwFoAUFC6zF7dYVsuuUAlA 5h+vnYsUwsYwVQYIKwYBBQUHAQEESTBHMCEGCCsGAQUFBzABhhVodHRwOi8vcjMu by5sZW5jci5vcmcwIgYIKwYBBQUHMAKGFmh0dHA6Ly9yMy5pLmxlbmNyLm9yZy8w FwYDVR0RBBAwDoIMd3d3LnVzbWwuZWR1MEwGA1UdIARFMEMwCAYGZ4EMAQIBMDcG CysGAQQBgt8TAQEBMCgwJgYIKwYBBQUHAgEWGmh0dHA6Ly9jcHMubGV0c2VuY3J5 cHQub3JnMBMGCisGAQQB1nkCBAMBAf8EAgUAMA0GCSqGSIb3DQEBCwUAA4IBAQAg DxVOjLXNtWNyx4v0GhXn6EKspy2lPxxXh+rrn/KgLTF0G/DwUp2VXOwoPH3J9lp5 HWDZ/CJxdfidb6ldw8jTXwoI8OlSA7VcwbFGlDKnxKh4VT7E6qXwUM8oQWR8CV4v Izimn/wKtlmiy3oizjQiPUXx+HsmZG5bJAG05Ij/RDX242aszkV9UUpeLrUXpfVw AzQNX+pGcS+NSruOEeHI9oOvHYEXq8D9P13w4CQaNvQ6Cu/PkzcrVlRAZSkokMxL uHux44iU+U5lyRI48OVobbPFzjNls2UTJgPmTa4R1aJ/Sw0voOWxnExOsXsk37mo o/6TdJaftp8Y2g7nT6d8 -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtOdGz+SceDj4uloEJmVV 6CdlnoE6wZQGUEwBKNlaFzgIGUf1LolFotlnGntj/4fhgUbU7OY99czuSvA1dbMt v1qS9ghHxh3te61Z/6j/nAM5ATchwZZ995dpkSSzVyzw4wH4NeJ5SwKu/VvbQA6H 0lS+KdwWfEkKWB83SSuph1skfFAB0xatWACSYedN3PBnEIhgytevc6vnTcDnjbqx LH5E5m+9E8NzUC2Y0iiKuC0f8iU41t42JFvI9nqZqBbp53LOfEKr/rybx8bpb0xA UfKCCyR91/q2Mujm35ifUdrVBaGfIWLnLZfXFPKs2YK0qGFdjuMHseSWKpLCdzHH FwIDAQAB -----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 374493554932702056012886439557733340469350 . . . . . . . . [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 2021-09-26 18:41:43 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2021-12-25 18:41:42 +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.usml.edu' . . . . . . . . [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 22836941640711929073859182302393179572317276496100020146675820827356812428965831041383336294320774067888595487500007133936470364217269788410727118376593733336228708631816569483497093229412861707594207757240534059967102234744648145024607883918194603159200530575019404916508767765081195236027549015163873368690796972032370808416848175667407474498406379253019662770079317051800685212432289131908486555420242515245349001133138285221235809705100912322244084288477788394085064993613494693306490440541287752732522919772827087718067136519072247526683624260670186492132860721723977818299311755757006168608507789002435386787607 . . . . . . . . . . . . . . . . . . . . [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) 21407074c80de2eb4297fb6071597496d1e915e8 . . . . . . . . . . . . . . . . [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 (16 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.usml.edu' . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.3 (CT Precertificate Poison) . . . . . . . . . . . . . . . . . . . . [c:0|t:1|false] BOOLEAN true . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (2 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:5|false] NULL . . . . [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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