maryannzykin.com

Issued by R3

About this certificate

This digital certificate with serial number 04:b4:0b:e2:e3:23:2e:62:b1:4d:a3:c0:14:78:bc:53:9a:aa was issued on by Let's Encrypt.

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. 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:
  • 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=maryannzykin.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:b4:0b:e2:e3:23:2e:62:b1:4d:a3:c0:14:78:bc:53:9a:aa
Serial Number (int): 409715769346747894294950625491438292671146
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: 8f:3f:d0:e7:43:1f:71:b8:5f:c8:8b:95:29:d7:97:90:7e:46:bc:e1
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 91:34:ed:dc:f8:47:a8:ff:19:35:a0:01:54:ad:0f:60:f9:98:72:6d
Fingerprint (sha256): de:0b:83:b7:d0:a5:b7:83:72:71:39:b8:33:09:67:74:9f:b9:4b:c2:6c:92:ec:af:27:a5:c9:79:39:d4:7d:98

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

Revocation information

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

Check the revocation status for certificate maryannzykin.com

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for maryannzykin.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

maryannzykin.com
staging.maryannzykin.com
www.maryannzykin.com

Other certificates including the domain name maryannzykin.com

(limited to 100 certificates)
*.maryannzykin.com
maryannzykin.com
*.maryannzykin.com
*.maryannzykin.com
*.maryannzykin.com
*.maryannzykin.com
*.maryannzykin.com
southstone.maryannzykin.com
maryannzykin.com
*.maryannzykin.com
maryannzykin.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAscD3H+IGl5BG9K6SChQH
XY8IwYVtfQxXYVn/gf94VCYROh0t24+la7vXDVSKZSqkk5MjpobtqLFmjB438XOG
7PEzujAkgPoe0EV5dDhZGnQwmQ+99BfsXpJtZFi0qEPbBthyVoBvwusk7ecaZr6S
MD+E65Ju2XtaCY8YRtMh+464nI/2HL9HcKz1GJs5SkUmNFvn9Pct+1xR4BVZJEEw
e6vU8xs9C/2b7SMhO3Zbd9EW+rCaE1RgsdM6HdKtmf8rztKHX51Kuhy8ud7YGG7G
FV2R1S3OEJWxh1wIqHOzxJh040cah5tNUywNFBmjI7ARLRzaRp+aBT6E3NOs2fFL
yQIDAQAB
-----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 409715769346747894294950625491438292671146
 . . . . . . . . [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 2024-01-30 08:34:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-29 08:34:04 +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 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'maryannzykin.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 22439334729802140877549539315428042734677283830794319221919085789497429339819345257856546213884702705128762329974001086370818284297975821094421773027230553111257354744597323029506115021969930605980557725082898579238748713356409628924771401378058345946293800794851638336876392662418965290641852798030037433472027152018520684228011143618033177246750920573973837564797437255597356896819323472203068309346767245366785638082543156347426606624355961088246125068625438082582954039723708827018770605704926984501537847114804560374227680981334403313488875426211927178392652202336909842763213970492027864354171406717852346043337
 . . . . . . . . . . . . . . . . . . . . [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)
							8f3fd0e7431f71b85fc88b9529d797907e46bce1
 . . . . . . . . . . . . . . . . [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 (68 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'maryannzykin.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'staging.maryannzykin.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.maryannzykin.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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d59b7f8e8000004030046304402205487bba691a146023e6e7723d95295fb79591f4d86835f4fca25c835e6c8c1e102206c01fc96f8a82a8fec5c37e7f7f16ca6b4093125805eb2953ffdc707343b4eab0077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018d59b7f8e40000040300483046022100d90c88c274401b146387667eb43d8e347042d02aa62b499c8d93725aa098b750022100aad6c14821b942314d4105c8a163601d191298c0e8e4dca233eb40e7776c0b15
 . . . . [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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