advantum.ru

Issued by R3

About this certificate

This digital certificate with serial number 03:43:bc:b1:81:0b:45:a2:51:ab:3b:b5:49:71:7d:9b:fe:05 was issued on by Let's Encrypt.

With 2 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=advantum.ru

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:43:bc:b1:81:0b:45:a2:51:ab:3b:b5:49:71:7d:9b:fe:05
Serial Number (int): 284386592896059041196567186387918550466053
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b8:f3:69:fe:e6:bd:da:3d:8e:ed:0a:57:44:db:49:14:5f:99:a9:e6
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 8b:1d:92:73:ee:ed:76:ad:ba:1e:ad:03:2e:9e:89:e1:6a:1e:8d:a7
Fingerprint (sha256): b7:1d:4c:d3:f9:22:b9:44:98:7a:c1:cd:df:c5:fa:de:eb:5b:55:15:18:f7:2c:25:48:a6:df:63:2f:4e:dd:b2

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

Revocation information

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

Check the revocation status for certificate advantum.ru

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for advantum.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

advantum.ru
www.advantum.ru

Other certificates including the domain name advantum.ru

(limited to 100 certificates)

Certificate

The complete raw certificate details for advantum.ru in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAswf5XkqQm/b4YkcZwZFZ
QV04e7EzpP8mj7LOtomJXVh3iXInaJ54UCEGpOA2cEW1rlae/gxNDjgcVVeMG8vx
qop51kNxVTs62WGH1Gg0Fb8+3cWR8o683iZZTBXqjRkLmG4+3oiFj6VkF7li4Upl
rlCUsaeXgoiltfqKVTfuoMFMK0qQ2Km3Ox4UoAgkAdXf10WuALdjEqoTNwXZi8pv
QTZlUun5+0K8j+0Ajbq2eRtjTwlOhw/ieBG0yk1+chIeiaDXsquRU+aUAScrRxmd
JXW7esJQnyci1ebug7Qi6h4dO5Hmede2XqlkixGX7JY/of7xDpd7cY7r8eqWdq8X
SwIDAQAB
-----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 284386592896059041196567186387918550466053
 . . . . . . . . [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 2024-02-14 06:47:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-05-14 06:47:16 +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 'advantum.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 22600588761733231452723206757902446003045316150597984042603528508205439029607959107127626261613907289845224290871932596711069745723689324437577620375350680716364925029737153634510767623325424217676041421323445948883666500493960076525223989082588530165397423780404247427106503991408270139492915308078712289421059229369958087640932733889846728985658287908419454173807456966026642303095508596866295281425995494701701398582010221426663410132139142744994651750717816227747740117706072730742348164191870136558778776043161123201092698623481427316554220106911340609985593185194832200039123724637921641808277349052282685036363
 . . . . . . . . . . . . . . . . . . . . [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)
							b8f369fee6bdda3d8eed0a5744db49145f99a9e6
 . . . . . . . . . . . . . . . . [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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'advantum.ru'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.advantum.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)
							00f000760048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018da69594de000004030047304502207f19b8c9c01c899431b55cac27f5c162dfb4fb32b98d1da538a1954d4ba2108a022100f1e16d2f811f1305134101df347714a8667e93d3fba4515b6b94c67fe0a03c86007600a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018da69595250000040300473045022100d204e0ec042e91d15bd52822d798a4bb69096a4d600b8be21a9bf20a4c04261e0220438516031cd66f1139d3b886b02d65bc4091d40dd20ea0b8ea15bff5d493b2a9
 . . . . [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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