e-staff.ru

Issued by R3

About this certificate

This digital certificate with serial number 03:09:7f:05:e4:a7:6e:fb:df:86:d4:32:05:65:9e:e2:3b:78 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:
  • 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=e-staff.ru

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:09:7f:05:e4:a7:6e:fb:df:86:d4:32:05:65:9e:e2:3b:78
Serial Number (int): 264568241652173003720537948066625714535288
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 03:d4:f7:f6:1d:b4:01:73:1d:14:f4:87:32:22:d7:3b:a6:98:5d:97
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 70:07:97:bb:d2:b9:84:cc:3f:0c:c3:9b:40:f4:b0:c8:99:f1:bd:5c
Fingerprint (sha256): 9c:3f:75:6d:b7:5d:8f:ef:08:9a:99:ce:f5:d7:be:56:42:6b:85:f5:54:09:90:3d:37:51:0b:cc:18:8a:e6:da

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

Revocation information

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

Check the revocation status for certificate e-staff.ru

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for e-staff.ru

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

e-staff.ru

Other certificates including the domain name e-staff.ru

(limited to 100 certificates)
e-staff.ru
e-staff.ru
*.e-staff.ru
e-staff.ru
e-staff.ru
*.cl.e-staff.ru
e-staff.ru
e-staff.ru
e-staff.ru
e-staff.ru
e-staff.ru
*.e-staff.ru
e-staff.ru
e-staff.ru

Certificate

The complete raw certificate details for e-staff.ru in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAuiYTWeWZ1fhnlC3m7uWG
JBf4NaL3w22oZabUXeLmAPd1RqbfdNgBkh9NePBzNYX1K1W48lBMxxYRSMdTdwmC
R+x4JKZwePon3N5UIMBFvEJJCHbJfVkmPILgwlf2uSiN2+jXCqD8rIZmX+urHzCC
fcRtikJx7XSnHL05bzhqRjfcWWd8aE8ohCwq5dB/52ZWEkycD3ifRvAax4otL8Ic
o+YLKGKlpP+OtZS8InBb7VyG2UFPvjzUhB5RJ1uKxCLyT0CnoMJXeeniogqqROrk
vnEXCrfajonvjrhymL56Ch33O8lNms33D0AcHp9QJFcdQI5gN/HNe6twKhRoX8xv
eQIDAQAB
-----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 264568241652173003720537948066625714535288
 . . . . . . . . [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 2023-11-30 22:28:57 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-28 22:28:56 +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 'e-staff.ru'
 . . . . . . . . [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 23499100497129091312478568877210184948417823309152957672415135670193680979810617449286288118735738726585056921045146442984140253271397002470694591065213733616902855899901644810140799184412849458390513840747624865885149128642664824894923170825074433368504832433575513137249340693408503473742044685436679141355710916771478532276427139835630506747239855239241070793134710503156583201675568777846007967982845009136419078265787880466514439153254410135458939429061049027053961953035188397064867327460538716229136939697518764538272192960575295681341320554251361979619357873893378605541875031969683980027536981637546872958841
 . . . . . . . . . . . . . . . . . . . . [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)
							03d4f7f61db401731d14f4873222d73ba6985d97
 . . . . . . . . . . . . . . . . [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 (14 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'e-staff.ru'
 . . . . . . . . . . . . . . . . [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)
							00f00076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018c229063c00000040300473045022100acc2ce8b78a640e17b3b0c4bc1e146f69702e3dcf22dac5eda6d8eac337fa70202205eb0c7d20857d313c2b8d50458d065e5baeae518504fce7528f18eaf34639413007600eecdd064d5db1acec55cb79db4cd13a23287467cbcecdec351485946711fb59b0000018c229063bc0000040300473045022100e23f583fa6a0b57d9ac8919554278f8d2fe2e2fe619be4d34c7664e4aff4f08102207ce6d10b20f367c5cbc8833b9f050b90990861cd53bd236713b34308e0a33947
 . . . . [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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