DV SSL/TLS Certificate for www.hps.holyoke.ma.us

Certificate is witin its validity period

Issued by Certainly (Certainly Intermediate R1)

About the www.hps.holyoke.ma.us DV SSL/TLS Certificate

This certificate with serial number 77:74:54:4d:00:f6:48:cd:9f:4f:22:3e:b7:ac:cc:83:d4:8d for www.hps.holyoke.ma.us was issued on by Certainly.

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.hps.holyoke.ma.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)

Certainly

Organization: Certainly
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 77:74:54:4d:00:f6:48:cd:9f:4f:22:3e:b7:ac:cc:83:d4:8d
Serial Number (int): 10405946835420314912306372027966388898616461
Serial Number Length: 143 bits, 18 octets

Subject Key Identifier: bb:48:09:5e:53:cd:81:83:e7:aa:1e:71:43:5f:b1:8d:aa:ea:66:8d
Authority Key Identifier: bd:97:9d:df:a1:d8:1b:25:99:e3:0c:04:06:89:64:12:d7:65:24:c7

Fingerprint (SHA-1): 16:c0:6c:9e:65:55:76:cb:76:e2:03:c4:63:b9:2c:19:f4:7b:ab:7a
Fingerprint (SHA-256): 63:0c:ae:88:0b:e2:d3:7d:4c:80:85:63:e6:d2:18:3e:a3:42:00:dc:3b:f1:d9:fa:b4:0c:b4:c3:c0:7e:6a:79

Issuing Certificate URL: http://int-r1.certainly.com

Revocation Information

CRL Distribution Point: http://crls.certainly.com/17182262453002514/2.crl

Check the revocation status for certificate www.hps.holyoke.ma.us
1
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for www.hps.holyoke.ma.us

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Digital Signature
Key Encipherment
Extended Key Usages
Server Authentication
Extensions
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

www.hps.holyoke.ma.us

X.509 Certificate

The complete raw X.509 certificate details for www.hps.holyoke.ma.us in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA2oqqjCx+72iopH5eaBbn
oz/XPyxyKA2hJZZn181TTcOxiYgCMf6hGJkF48tW+bOwUgdsm8TgM4tOjz++wqvf
poj1ovx2ScU5zR7aBfH9yWnIjvQtdhpagwNB/zEP2maeAzD7r3aPJTYZemKVN5jr
0c6G4MsvpqgaEFFJoc2otw+oEFDT02PFAwFWSACHmmV8CGV1VA+81iO8kxFW3+ft
bp7+MpKyUQHX2+HEATJX2mNkd9yoUfxmvX+77oZB/3fGfTOzdH7F8bD4tAiS+tx2
FiZjGAReXP154WBH9QmG1bF/yt7xOeA9avUUG7RFNL0Dmim/dglBZ7HqpCtBuUEV
vQIDAQAB
-----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 10405946835420314912306372027966388898616461
 . . . . . . . . [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 'Certainly'
 . . . . . . . . . . . . [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 'Certainly Intermediate R1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-29 10:18:08 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-07-29 10:18:07 +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.hps.holyoke.ma.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 27588329335017283689430935271031894978999620305444523591143740646276225367070355416453433675719710176968234731717464938586380607670077562304302292353094964709585107219440066217622070402814786478934737049902280686064651168550309740131213775247446471210116556677014069145703609545592054397558745311819995692101916304456785803684263585171769704098187327208544656381262489441052212036449196534506811075520649538468268222465224215545926781351121942752181364625268589946834695900113746687946300025888348457290771380860990694805288211970911545603917739169397759069001192064230844554248017830836956936578436923836933936846269
 . . . . . . . . . . . . . . . . . . . . [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 (12 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: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)
							bb48095e53cd8183e7aa1e71435fb18daaea668d
 . . . . . . . . . . . . . . . . [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 bd979ddfa1d81b2599e30c0406896412d76524c7
 . . . . . . . . . . . . . . . . [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 (43 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://int-r1.certainly.com'
 . . . . . . . . . . . . . . . . [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 (25 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.hps.holyoke.ma.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 (59 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://crls.certainly.com/17182262453002514/2.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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700ed3c4bd6e806c2a4a20057dbcb24e23801df512fedc486c5700f20ddb73e3fe000000197bb674bc90000040300483046022100aa4a4899e34a01cfb1d5db30f1e4fac537a2e50f53d67eb98fd259e8f192e369022100fd062df6022ff1842471f6060b53f41cf49ad9bd0af819b0973b45f6ebbc15ef00770012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a00000197bb674be50000040300483046022100c81f3f54a60c4526ee7f1a783bc73c00b7df4b6c42223f3088d0ba840798363e022100b6ca1b5bf463f36c3645c5b526ac9a0f1482a26230da0516a71f8dc6835fc278
 . . . . [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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