preferred-office.com

Issued by R3

About this certificate

This digital certificate with serial number 04:5e:f8:98:68:b5:f0:4e:be:2d:8c:54:7d:5b:a2:37:17:7b was issued on by Let's Encrypt.

With 2 subject alternative names this certificate can be used to secure multiple fqdn's. 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=preferred-office.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate will expire on

Certificate Details

Serial Number (hex): 04:5e:f8:98:68:b5:f0:4e:be:2d:8c:54:7d:5b:a2:37:17:7b
Serial Number (int): 380766126113471626373848960921068981655419
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 9c:87:2e:82:de:a5:0d:74:1a:78:08:66:bb:d1:2b:0e:4b:b3:75:28
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 74:dc:dc:cd:25:0f:a1:4a:e0:f8:ae:ee:7f:3a:77:2a:67:99:ad:f8
Fingerprint (sha256): f5:de:0f:27:30:9d:85:6b:a9:90:25:fd:6e:1e:1c:b6:04:96:21:ba:db:80:8d:c1:02:85:9b:c1:09:49:ba:32

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

Revocation information

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

Check the revocation status for certificate preferred-office.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for preferred-office.com

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

preferred-office.com
www.preferred-office.com

Other certificates including the domain name preferred-office.com

(limited to 100 certificates)
preferred-office.com
preferred-office.com
www.preferred-office.com
einfo.preferred-office.com
www.preferred-office.com
www.preferred-office.com
preferred-office.com
www.preferred-office.com
preferred-office.com
ask.cyclelabs.io
preferred-office.com
preferred-office.com
preferred-office.com
preferred-office.com
www.preferred-office.com
www.preferred-office.com
www.preferred-office.com
www.preferred-office.com
www.preferred-office.com
www.preferred-office.com
preferred-office.com
preferred-office.com
preferred-office.com
www.preferred-office.com
preferred-office.com
preferred-office.com
einfo.preferred-office.com
www.preferred-office.com
mail.preferred-office.com
preferred-office.com
docs.preferred-office.com
www.preferred-office.com
einfo.preferred-office.com
preferred-office.com
preferred-office.com
ncentral.preferred-office.com
www.preferred-office.com
www.preferred-office.com
ask.cyclelabs.io
www.preferred-office.com
einfo.preferred-office.com
ask.cyclelabs.io
preferred-office.com
preferred-office.com
www.preferred-office.com
ask.cyclelabs.io
www.preferred-office.com
ask.cyclelabs.io
www.preferred-office.com
www.preferred-office.com
preferred-office.com
preferred-office.com
docs.preferred-office.com
forms.rcs.com
www.preferred-office.com
www.preferred-office.com
www.preferred-office.com
ask.cyclelabs.io
preferred-office.com
preferred-office.com
www.preferred-office.com
preferred-office.com
ncentral.preferred-office.com
www.preferred-office.com
ask.cyclelabs.io
mail.preferred-office.com
preferred-office.com
www.preferred-office.com
einfo.preferred-office.com
www.preferred-office.com
www.preferred-office.com
preferred-office.com
preferred-office.com
www.preferred-office.com
preferred-office.com
preferred-office.com
www.preferred-office.com
www.preferred-office.com
ask.cyclelabs.io
preferred-office.com
preferred-office.com
www.preferred-office.com
preferred-office.com
www.preferred-office.com
preferred-office.com
mail.preferred-office.com
www.preferred-office.com
preferred-office.com

Certificate

The complete raw certificate details for preferred-office.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4A4yigZhAguCFfwF6lIC
/eCCV+EdL4r5P3tnj2C3LKWBlIEU/0iN1iJCoCX/zWSwioOngvKVhQOKdMDlnwnF
8JbhBQEhEX8oOCDrR/H3U6Q6aR3KSi8lPLeJ66NytKhzHRpNJhkgaROE4CNOwAqH
9OF3nEDGUSDUvSSEnc68L0oPCSaF9Dm1n52iZ1vRK0pe61m2xyIwt2QpANwQvRe6
yby4zYR6e3ZVQWijpbcElt80yYDgXYwbvG06r+jxKwzTFCFcWrKDvYyLWSIsIZON
YJemkOZQaePii4KuzLyCfqsL55mXeL8/Om9Bmi4AzbreZKyCq8k3jPfVtDmKxTXR
xQIDAQAB
-----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 380766126113471626373848960921068981655419
 . . . . . . . . [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 2024-05-13 02:30:39 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-08-11 02:30:38 +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 'preferred-office.com'
 . . . . . . . . [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 28284381320436534398255308072681160116812123401268728537083811348497994372894322467978003871796725843797773705811543522615089441131051490390568252757042703515765581356447302152642836570164704491449269909049811298640520631502637535645192256452638812048257697401766593532586809913781157860356233123956897765994241892207434349988791625730982375769380564347926500466062237744622957344806085808859874557539564336207760001632103856432060160670334159356868883479865862490435893810803418305043362528383383169359834136046053119478164472103317282743854867863775489062293573446921447497314747030001684687554604085477420681253317
 . . . . . . . . . . . . . . . . . . . . [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)
							9c872e82dea50d741a780866bbd12b0e4bb37528
 . . . . . . . . . . . . . . . . [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 (50 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'preferred-office.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.preferred-office.com'
 . . . . . . . . . . . . . . . . [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 (245 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes)
							00f0007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018f70009cc6000004030047304502202a2262dddf81fe2d8200e29deef956bffff375ade6deffc844b3ce1744036363022100ac49f108133b8fb7f1cceab9714d98cd6d6278e7d23bb89623721bd7c539e0a4007600dfe156ebaa05afb59c0f86718da8c0324eae56d96ea7f5a56a01d1c13bbe525c0000018f70009d7b0000040300473045022100f1cc83a9884a7880722df8ebf01b35e6a1be843bf4256e5131900949d768795a022079f18659cea09558a7d5de29cb51c4d9fd6378b342540014a5cb6a867ebf685a
 . . . . [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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