DV SSL/TLS Certificate for umbc.edu

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the umbc.edu DV SSL/TLS Certificate

This certificate with serial number 06:f0:c8:8a:27:bd:0c:8e:54:83:aa:2f:d6:ef:e9:62:32:5f for umbc.edu was issued on by Let's Encrypt.

With 10 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 umbc.edu 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:f0:c8:8a:27:bd:0c:8e:54:83:aa:2f:d6:ef:e9:62:32:5f
Serial Number (int): 604608046593702155236049720468002360668767
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: 90:58:cb:20:8a:ee:de:e7:4f:fb:a2:f8:fb:24:6a:bb:3e:30:d3:d1
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): d0:68:80:3d:9a:fa:1c:f5:e3:a0:42:84:09:d2:6a:54:8b:c2:f2:ee
Fingerprint (SHA-256): 01:77:d6:26:d3:8b:f0:a6:ce:ff:5b:26:88:c1:0d:58:ae:6b:7b:2c:1e:d4:7e:9f:b2:54:84:b2:10:17:23:9a

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/96.crl

Check the revocation status for certificate umbc.edu
10
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for umbc.edu

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

about.umbc.edu
artsandculture.umbc.edu
getgoing.umbc.edu
giving.umbc.edu
globalstudent.umbc.edu
magazine.umbc.edu
news.umbc.edu
options.umbc.edu
umbc.edu
www.umbc.edu

X.509 Certificate

The complete raw X.509 certificate details for umbc.edu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA3LDIrk5+WX8/RQfy0I4Y
Zzri5dzprSqtayvKXceZlaWWla3AoHjTsz/75HtqeYNRDbQDcuj1PMKjrNb6ObJH
7d84d7ddvgMaKeVFRlOqUIlUkPdSabAZY2mnKcGQJ2Yju+jO0JXmWcRq0TxrhLTb
tDkw7W/krMDimMVufDhwUurm8NgaGXbcMKLnzuArDcNFlHMvX79dsV+5AoLKyvfs
n3Mh+gaiCYygl9BFlpaLdpfUDg9VYflnl5lYRIelgmIN6W2PcGIXBXQNITFPgiXx
nUZsVvTP8HXrVXg+24FkPM8kQtm3yJICZr9yMVINy4qlhQMOWIbzcc66FqHyRK/y
ewIDAQAB
-----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 604608046593702155236049720468002360668767
 . . . . . . . . [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 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-05-30 12:09:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-08-28 12:09:04 +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:19|false] PrintableString 'umbc.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
 . . . . . . . . . . . . . . . . [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 27859602487481315557887536102791585148162633960759567981108163928193085282296804644237100293048467133953356220680564403500364669796775871008731102442201613473978340176442532095856649162609502111332170213102108470275111568510834068473117163738017381581720963973714551319307871538514521117383671670535602679557364289285306609233779677574173740850260824547184241470777751954899839867509861060560343802946291982257279265217117766392812847293741464835487809263375899268364024785791610956232066420370436973289344612595452051666341150749505463292535491281547187488464613266665288712580099284057914153267413483499055267967611
 . . . . . . . . . . . . . . . . . . . . [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)
							9058cb208aeedee74ffba2f8fb246abb3e30d3d1
 . . . . . . . . . . . . . . . . [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 c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [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://r11.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 (180 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'about.umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'artsandculture.umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'getgoing.umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'giving.umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'globalstudent.umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'magazine.umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'news.umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'options.umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'umbc.edu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.umbc.edu'
 . . . . . . . . . . . . . . . . [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://r11.c.lencr.org/96.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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600a442c506496061548f0fd4ea9cfb7a2d26454d87a97f2fdf4559f6274f3a845400000197214e1a600000040300473045022100f9977654db3449b935f0b68a7d482ff4499eb4f3ad44aa52c52d48d3e1d26bba02206af31e9d887fe22ed989e588bfd93f773ccb85cc17a8344315b16a77639e4f69007600af181a28d68ca3e0a98a4c9c67ab09f8bbbc22baaebcb138a3a19dd3f9b6030d00000197214e2508000004030047304502207f3f4215fd0876ed15de84c862bc0fdd9011959ef2543986344fb7eda5af5b04022100d2b21c42315273837d72c5a4947500d6a4d803e4b4c62b6b1cfe0b9dd02fa31b
 . . . . [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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