DV SSL/TLS Certificate for www.brunswick.k12.mo.us

Certificate is witin its validity period

Issued by Let's Encrypt (R10)

About the www.brunswick.k12.mo.us DV SSL/TLS Certificate

This certificate with serial number 05:d8:e7:f0:49:5e:6a:44:09:7b:9e:a5:01:6a:7a:30:78:0b for www.brunswick.k12.mo.us was issued on by Let's Encrypt.

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 www.brunswick.k12.mo.us 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): 05:d8:e7:f0:49:5e:6a:44:09:7b:9e:a5:01:6a:7a:30:78:0b
Serial Number (int): 509370720220092541272171303933659258583051
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: e0:cd:31:69:19:99:d1:48:fd:ef:26:82:b8:61:da:9f:cf:7c:d1:da
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): 4d:55:1f:3a:8b:ea:50:a4:c6:ab:6e:2b:fc:d2:b5:98:e1:50:50:13
Fingerprint (SHA-256): 52:17:03:eb:26:c0:d5:67:99:97:ab:52:5c:9f:96:d0:b4:bc:9a:25:7a:93:a2:7b:cd:2a:d7:e8:44:a1:9f:7c

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

Revocation Information

CRL Distribution Point: http://r10.c.lencr.org/12.crl

Check the revocation status for certificate www.brunswick.k12.mo.us
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.brunswick.k12.mo.us

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

www.brunswick.k12.mo.us

X.509 Certificate

The complete raw X.509 certificate details for www.brunswick.k12.mo.us in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIFCTCCA/GgAwIBAgISBdjn8EleakQJe56lAWp6MHgLMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNSMTAwHhcNMjUwNzEwMTUxNDU0WhcNMjUxMDA4MTUxNDUzWjAiMSAwHgYDVQQD
Exd3d3cuYnJ1bnN3aWNrLmsxMi5tby51czCCASIwDQYJKoZIhvcNAQEBBQADggEP
ADCCAQoCggEBAMcLM0UxQFxVZhgPHMgrdcbkMQINj36TAWa1qTxF6nVMYb25c/D1
tNv92rcl4yzL/QCJ23UVcm4LQ9qoOcK19XPDj9qgGOpofEogbdO64JtzaPvHXfRo
+SaKMA8QlHNG1b5FQ65H/SnVR8p6J8v9p+Khefk/G1TyXQryWlqGUklx2ttsRuyr
w0qqB4JeI/kxMGCg72AI/XZfDsN8Z6/h6AGxSvspNKZpAXwJevGuj1skklUQyl36
srvMCMuZJqgCWc5l8lumzN2356YnARe6BzCiGCS9nCPAQ0QXvT94wENK/OV4lWil
wP+gYuCd2aynrQ5Z1l3VqLcecJaGo6g8hGcCAwEAAaOCAiYwggIiMA4GA1UdDwEB
/wQEAwIFoDAdBgNVHSUEFjAUBggrBgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/
BAIwADAdBgNVHQ4EFgQU4M0xaRmZ0Uj97yaCuGHan8980dowHwYDVR0jBBgwFoAU
u7zDR6XkvKnGw6RyDBCNojXhyOgwMwYIKwYBBQUHAQEEJzAlMCMGCCsGAQUFBzAC
hhdodHRwOi8vcjEwLmkubGVuY3Iub3JnLzAiBgNVHREEGzAZghd3d3cuYnJ1bnN3
aWNrLmsxMi5tby51czATBgNVHSAEDDAKMAgGBmeBDAECATAuBgNVHR8EJzAlMCOg
IaAfhh1odHRwOi8vcjEwLmMubGVuY3Iub3JnLzEyLmNybDCCAQMGCisGAQQB1nkC
BAIEgfQEgfEA7wB1AO08S9boBsKkogBX28sk4jgB31Ev7cSGxXAPIN23Pj/gAAAB
l/Uc8uUAAAQDAEYwRAIgX1jk5q6/j3Rq0fqPO6oyJ5x4Z+imQ1/dGwvAYivUwCsC
IHEvfmO0ECVXztHVSQVHzHPndyMhP93aVRkXhEzJ1G6SAHYA3dzKNJXX4RYF55Uy
+sef+D0cUN/bADoUEnYKLKy7yCoAAAGX9Rz7AgAABAMARzBFAiEAo+lO78AtYblE
BT43PFbjhJcMYSKuUp0t0i9Svdm+bMcCICm2gXR7/+5mheXMKPjdJac7ZlwdoOCi
vfF4/008iVN8MA0GCSqGSIb3DQEBCwUAA4IBAQBNhpkLZMLWkwbB3NBSvbxIc3Xr
kcMF38A+jUTJpX7Q2Vlqfos29120FCud0Jhvyl6F3UDh+fSK6Qm5KlwrlP30ulmR
XatE1DyEET436+dBg8DVNXqfZfo/VWTiQ3V7Ce0ocPlzUvm0RdurJQ7+gVpzeinR
XmdkJOYQ4cHVx3NyemM7bheKTqUeCSem9gVPfQ4HA1UqLwXXfZChlefN8CVuw72t
Ijxe/0APPANE6XgFPkPkHmWBoR81u6FkTEQShb+fm4sem9QS5gbCEns4eYIno6QK
X88sVUoh4+LB5bm/2v4l++UMIcq16hIg/vTnYScWw5YpaXEChJpqJ7kWOprg
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAxwszRTFAXFVmGA8cyCt1
xuQxAg2PfpMBZrWpPEXqdUxhvblz8PW02/3atyXjLMv9AInbdRVybgtD2qg5wrX1
c8OP2qAY6mh8SiBt07rgm3No+8dd9Gj5JoowDxCUc0bVvkVDrkf9KdVHynony/2n
4qF5+T8bVPJdCvJaWoZSSXHa22xG7KvDSqoHgl4j+TEwYKDvYAj9dl8Ow3xnr+Ho
AbFK+yk0pmkBfAl68a6PWySSVRDKXfqyu8wIy5kmqAJZzmXyW6bM3bfnpicBF7oH
MKIYJL2cI8BDRBe9P3jAQ0r85XiVaKXA/6Bi4J3ZrKetDlnWXdWotx5wloajqDyE
ZwIDAQAB
-----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 509370720220092541272171303933659258583051
 . . . . . . . . [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 2025-07-10 15:14:54 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-10-08 15:14:53 +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 'www.brunswick.k12.mo.us'
 . . . . . . . . [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 25126945749469665464277357887581427845238244989668842276640597600703015652939684086213182238290477999712164400288948100148541959494718627865050969082083723419171135031357291507944876919643711808674379568907680792421625906135832782473607822075497659925980462100531963970653134802870115634567927236137891895777471320644924199764469478851509256966984724938658951664881111192587985774110796605370045008150437149302167139124699387145906325377187909703556228378844850198639877569122175603592371318599806717843400834467214793976382311283905906554927704507695253583268244175700076720055319117605893490613584847422306287125607
 . . . . . . . . . . . . . . . . . . . . [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)
							e0cd31691999d148fdef2682b861da9fcf7cd1da
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.brunswick.k12.mo.us'
 . . . . . . . . . . . . . . . . [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/12.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)
							00ef007500ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197f51cf2e5000004030046304402205f58e4e6aebf8f746ad1fa8f3baa32279c7867e8a6435fdd1b0bc0622bd4c02b0220712f7e63b4102557ced1d5490547cc73e77723213fddda551917844cc9d46e92007600dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a00000197f51cfb020000040300473045022100a3e94eefc02d61b944053e373c56e384970c6122ae529d2dd22f52bdd9be6cc7022029b681747bffee6685e5cc28f8dd25a73b665c1da0e0a2bdf178ff4d3c89537c
 . . . . [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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