mail.szigetelesmester.hu

Issued by R3

About this certificate

This digital certificate with serial number 03:89:0c:0d:44:e0:ef:55:b9:5b:7f:4d:ce:0e:bc:b7:28:8b 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=mail.szigetelesmester.hu

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:89:0c:0d:44:e0:ef:55:b9:5b:7f:4d:ce:0e:bc:b7:28:8b
Serial Number (int): 307971561696282921380464431727368528668811
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: b2:06:d4:29:95:a3:43:39:73:24:7a:30:2e:0c:ed:27:ed:b0:a9:5d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): c8:b7:6d:0c:f3:cd:76:3b:85:c0:98:ad:de:f1:cc:e2:7e:84:a4:c7
Fingerprint (sha256): 9b:4e:9c:a8:8b:57:72:f3:1b:06:b8:eb:49:e0:84:6a:0a:ec:2c:f2:12:29:68:8a:7d:66:3d:b2:83:37:54:af

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

Revocation information

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

Check the revocation status for certificate mail.szigetelesmester.hu

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.szigetelesmester.hu

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

mail.szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu

Other certificates including the domain name szigetelesmester.hu

(limited to 100 certificates)
szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
mail.szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
www.szigetelesmester.hu
szigetelesmester.hu

Certificate

The complete raw certificate details for mail.szigetelesmester.hu in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAy6l0PHiHZ47d5j1+R+be
zo/OIkEiPQ0EhPpyhtuMVlRLIugELBRFWOpv6IofcoZIMBmAaGZUnPjYyvpuhAK+
h5YJIYzIps9qic3jukreXpdFUYHoJ0Y3P2ZNf+208IwYqC+k/KV+fmNMM5avkg6Z
Bw9lCU8E2/L+YrDOUPXzCvfxNvpgQaTIGsBJEM7m1LFAWaZda8cI6Hnu50+DGiFn
P6rQgRdJanlZdBoi6tNZKIXliUyFq8d4OLi5DMjroHjDOvdn3A2DdADiNRrN98pO
n1pPblpq7PhJdx0L/a44O0s2zu9rf2MjOXWY8yaNZ65OUAJw4meg/JdARvqwyR5C
WwIDAQAB
-----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 307971561696282921380464431727368528668811
 . . . . . . . . [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 2024-01-18 01:52:26 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-17 01:52:25 +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 'mail.szigetelesmester.hu'
 . . . . . . . . [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 25709936813393994953315843048778362022823233753309395272429993413297625564653294870997277891958976747381420803746170792885818469262093153708919928855261719735322050099879730177243713132358112866347949727998721450588498316307497129719768444650908127082584933185113877135295700129463838996328031907596070902368498881086236281533684039332045343237043825769751079696603264970371709529161162906131199014264841733818950087427451849386257256123303851618963184146783337808259791971794803893223249475024731503629127679807984215017664206064164102737706360870528491344692624569772866679062143763238402545793024814477381218484827
 . . . . . . . . . . . . . . . . . . . . [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)
							b206d42995a3433973247a302e0ced27edb0a95d
 . . . . . . . . . . . . . . . . [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 (74 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.szigetelesmester.hu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'szigetelesmester.hu'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.szigetelesmester.hu'
 . . . . . . . . . . . . . . . . [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 (246 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (243 bytes)
							00f100760076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018d1a7beec70000040300473045022100e9dc8dd4c8cdb1ff2bf477af8d35e20d7a704f8b17ce67b5e301f11578bfdaad02201e5b471bf5698c465869f25ec44bd80fd82227ecdf73f5a4e0d00849430627af00770048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d1a7bf0b2000004030048304602210085cb25bccecdd8d2fe49a809a436aa19a1d6790610c2fb17414027107cbe1eff022100d6f7e48ef967258ae69f30a25f8e3d9d2c33b874b26e185f39095d54a47c454e
 . . . . [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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