columbusaccountants.com

Issued by R3

About this certificate

This digital certificate with serial number 04:0d:69:52:86:96:8a:a8:3b:49:29:07:1e:44:6b:04:eb:7a 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=columbusaccountants.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:0d:69:52:86:96:8a:a8:3b:49:29:07:1e:44:6b:04:eb:7a
Serial Number (int): 353012811934683026211365626645570161798010
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: cc:d2:a0:47:c8:d8:bc:17:78:41:b2:8d:ce:7e:2e:a1:d0:7e:3f:a5
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c8:74:79:3e:c1:23:8c:75:16:dd:dd:7a:11:89:14:e5:1b:80:17:7e
Fingerprint (sha256): 98:19:8b:ab:0b:9c:58:1a:7d:19:bb:1f:f6:56:f6:f0:09:86:0d:6e:bf:eb:df:91:d6:0a:5d:ab:f6:8a:31:7c

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

Revocation information

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

Check the revocation status for certificate columbusaccountants.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for columbusaccountants.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

columbusaccountants.com

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Certificate

The complete raw certificate details for columbusaccountants.com in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEArzRYrHx5Pvn72UlyTbVi
zQGDJ9yene3FanqUlWSA3eQti0B5pEC4/G/n3+8jRppvBy1EIeuSgNTmav0t6xkD
u2WCCiBc2E5Y3z7Y5Ry+Q8xjKAPCdWsa3/pBrfJIqqZ3ybzkCPXyqLzPR0CvXy98
N8jxqlbr6Cy72nNfN+SbbpNhri268OxdY9iLMj9KKnkRz1KOhr7Ih96DmbzJ2ht/
sWH9pdjNQNkdUGKU3MraxhRcg9gwbXwrALejl45uCJr27A5Aaz7GCUuy3FIj+xYw
UrbAT9YNOBbJ+YS/gjxA7gcWoz5bt5NH2pC/edX4eR2qcPAaliwNyEEWqIzHWnmT
TwIDAQAB
-----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 353012811934683026211365626645570161798010
 . . . . . . . . [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 2023-07-08 08:07:14 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-06 08:07:13 +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 'columbusaccountants.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 22117516332052703529697729969157841721203525121496446259299149410572216652468578043030365596169407637353323232845985231116259492847190704684644462695375475459769591748287657324466461692657780155248815599264436427280128728013870135398697416081860086287004674487708680489630349987345381842498320840831164598013489945463833728703934798094281737139515465766317085982134007621924190520866410401808657603307220448913393273544165755253075091006495984587592185500965024486141146642616680591110720983394706531467581457532671739244237258038637836972609224891700442901334509203421370091913238003124582325442281504768026079761231
 . . . . . . . . . . . . . . . . . . . . [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)
							ccd2a047c8d8bc177841b28dce7e2ea1d07e3fa5
 . . . . . . . . . . . . . . . . [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 (27 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'columbusaccountants.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)
							00f0007700b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018934c15bab0000040300483046022100d6e5405bebabcbd2fbc8a5fdfd1d5f48eb7b87ab517734873794321bb3d6067a022100f052118d9f050681a485980525f187cf288a826d3ae7c7955c651a1976fe2c7a0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018934c15bb3000004030046304402207c6a1f50cee6cc0aaaca23eaa78b1206cce3974b85c7f1c1b78e52bb6b5393b002202a9dc69e94b3c30348d1c71de120ce1f3703b22e70678886756ed43bea9925ff
 . . . . [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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