maryannzykin.com

Issued by R3

About this certificate

This digital certificate with serial number 04:f2:cb:3f:5d:61:12:01:70:d3:de:ff:f8:c5:1c:f7:db:6d 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:f2:cb:3f:5d:61:12:01:70:d3:de:ff:f8:c5:1c:f7:db:6d
Serial Number (int): 431067638813709317736377295179132498860909
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: b3:db:b5:8a:fd:8d:ea:d8:24:41:87:6c:fd:e9:39:a8:8f:b7:71:8a
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 65:16:08:3a:62:14:71:7b:29:79:84:05:47:5c:9d:e9:a8:2e:08:69
Fingerprint (sha256): eb:71:61:d5:64:bf:8f:3a:67:00:76:88:32:19:8a:b7:b5:76:38:19:f1:6c:fa:2f:40:a0:e9:fb:a7:66:29:d8

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-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAtfxdr0W30/cxeU7fyJvD
epjPVr998hcZEN3E6IXGGf6y5ECoX29mKMOkK6J16+VKUKWBP7gJ0QMP7HYQengD
WwIRplIdgKEzGCbR5CmUp4MPvovEAyk1VRkc3n95AHprm4EMvO/ilFVFp2onchKN
qsND1S3ZcMAyZLL7Azmo2yNE7cv0OYJJfzo6BN/cKia/LlnorCSsbtmdghz7PW2h
qD0zKgKWUa2J3wu/d3ghjCeJ7qlbRugmo+t5ged4uyjadcEFNzbTjpxDDRactEWe
N1He3HrvK83c7zaZTeu2yEDVSm7yXm/01Pt8J6C/xBhCVOQQ5GGdApp2pF5tXNmu
2wIDAQAB
-----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 431067638813709317736377295179132498860909
 . . . . . . . . [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 2023-12-15 08:43:59 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-03-14 08:43:58 +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 22973579489785909170047371057576431587409739886421185766143563672251754784730739974456903206020110569285080617111968893525450083212117078470232808110342898628374631020673761383801972503164975119384905826420195475088365586529733214751415668477296386752157558717584590490932741630057490715521059959517121281279835035417652288145771495994845674728584173375811392285793243174714894233749527099183015757986239782944187939526195499868189194054852236929818862912034414217423025124554039362867241044499248626852398055881739748665687182223443519081958932946396638327373927532625928719401638286173876473879565314765113280540379
 . . . . . . . . . . . . . . . . . . . . [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)
							b3dbb58afd8dead82441876cfde939a88fb7718a
 . . . . . . . . . . . . . . . . [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)
							00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018c6cdc839800000403004630440220449e2a46c145af19ebae48c0c48ca8c239b80ded647809558f5c4285fe84fa9102204b9ccd1ff0f9e536365f726a285e864c4fcd006719c454ea5741e58c4eb2e7420077003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c6cdc83910000040300483046022100f0acb2c55eb42c48fbdc143d7110d5a6885e70cbec200d7b83433d650f3c3ce1022100daf6cde08241e7712b6bf9e9b25171df48f24ffb98fc9fbda0e7916151010e5b
 . . . . [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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