mail.rja.sk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:5e:f1:75:44:94:00:6f:2d:a8:ae:da:5f:29:99:79:e8:61 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=mail.rja.sk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:5e:f1:75:44:94:00:6f:2d:a8:ae:da:5f:29:99:79:e8:61
Serial Number (int): 380756639054255570959063998915467961559137
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c4:56:9d:a2:e4:a9:03:04:a4:be:25:5c:2b:fd:58:b3:bf:51:81:32
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 5e:2b:0f:d6:fa:d2:c4:a6:60:15:d2:21:27:80:86:19:6b:89:19:21
Fingerprint (sha256): d2:c8:45:b0:59:e2:06:0f:7c:9b:e0:1a:12:dd:c5:dd:d0:01:ce:4f:db:6b:3d:15:15:49:8e:cf:94:cb:a0:d7

Issuing Certificate URL: http://cert.int-x3.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x3.letsencrypt.org

Check the revocation status for certificate mail.rja.sk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for mail.rja.sk

Public Key Algorithm

RSA

Key Size

4096

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.rja.sk

Other certificates including the domain name rja.sk

(limited to 100 certificates)

Certificate

The complete raw certificate details for mail.rja.sk in PEM and ASN.1 format.

Certificate (PEM)

-----BEGIN CERTIFICATE-----
MIIGTTCCBTWgAwIBAgISBF7xdUSUAG8tqK7aXymZeehhMA0GCSqGSIb3DQEBCwUA
MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD
ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMzAeFw0xOTAxMTYwNDQ5MzFaFw0x
OTA0MTYwNDQ5MzFaMBYxFDASBgNVBAMTC21haWwucmphLnNrMIICIjANBgkqhkiG
9w0BAQEFAAOCAg8AMIICCgKCAgEA17S0Nv4W8CLu0qoYN9LlVt3rzE9uMDj6sJun
hlvga3895w3/HDZcMuifYvJGW9V70AMPJ/ghiQ3/Uo1BMg4MDWbRbz4JEbHtcAG/
KLL/gS1IJMJKPYScxLnVP78imVkwckaa9b4oKm2PjDNAhlZgQ9ZO/p+yvQsiHcr6
OzHLLiKJUXw/Zvbz0KRiBPiiLp6e0q54u31Nz1t+//q7ZN8DL8YfCl3Y+LiKd0oO
Pi+EoefKFOdRq2lMTW9VcmqErhwh/jRdHIt/I3H49zXsTqLuCjey27i6XLaNqU5y
DV3CoqqjCEzHXS1a67f+h9//dvwesYQjtC39QeXUmXU+ka8Eqm3mR/SiBsQj2tb5
IYOJwLOIjMNfmc4Bu6+bpmn0Y4B9AF6i0WzoHnlBJTIu3XK63BwhGxaKRnzHSgVF
LtvtdItN55HadGKuWGBC4zbZH6GULtrjTw3vuZsa3WSo0rvA61O488Ek7dW7OYLF
+67CAFla/kEKyo/oak69pOy2hIZSUQKLgQWrVMRrG+e1/YnkUS9wF0TlDqCfUPWA
VnxwJ6ZAwstaNpOsd946ryjNKuoi7TRLBUkDZXN7PlMzT7TrUFjM7EvnqPp3MzLh
v83uQ6OY8uyZLKkBFkO3LHrgRDyLLc1GxcoFU2P5zHjEBRSm+/nUp0RwlOTaLxNC
nKQ6iYMCAwEAAaOCAl8wggJbMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr
BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUxFadouSp
AwSkviVcK/1Ys79RgTIwHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw
bwYIKwYBBQUHAQEEYzBhMC4GCCsGAQUFBzABhiJodHRwOi8vb2NzcC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnMC8GCCsGAQUFBzAChiNodHRwOi8vY2VydC5pbnQteDMu
bGV0c2VuY3J5cHQub3JnLzAWBgNVHREEDzANggttYWlsLnJqYS5zazBMBgNVHSAE
RTBDMAgGBmeBDAECATA3BgsrBgEEAYLfEwEBATAoMCYGCCsGAQUFBwIBFhpodHRw
Oi8vY3BzLmxldHNlbmNyeXB0Lm9yZzCCAQMGCisGAQQB1nkCBAIEgfQEgfEA7wB2
AOJpS64m6OlACeiGG7Y7g9Q+5/50iPukjyiTAZ3d8dv+AAABaFU1H6kAAAQDAEcw
RQIgcyKQTnVVb84vDppJNbJ4f/6XEmTUCf/cfUekTuwkVOICIQDqNYJioBf9mvD+
qfhYE9fPziK2Po3nJzr/p+oKQSgyUgB1AGPy283oO8wszwtyhCdXazOkjWF3j711
pjixx2hUS9iNAAABaFU1IZQAAAQDAEYwRAIgSqzcUM/r6gkj0xC1Lg7IgNCFwIF+
b4uwJvbwEVDPNFkCIBR4Ecb21X7GJUKasMSF7rniYT3drdDNbRPI3UIhodTOMA0G
CSqGSIb3DQEBCwUAA4IBAQCCMa8yuA8NpvujXNMQEtDD+fyj5QpB9zEjdoAloiaz
FCV4Y+3Yuq5q5knv+82RJxWnUc9MvpNGOMBIkAcO4MhkfdqsEmnIBS13Eda3z4ND
yKZWwPa7wqMQDDrTBI5wCNKIryUDq/bRA/cGbsxthaLC+vUT5R0cwzEd2LZTzIkR
kt0QNJXD4yjyiOiesu+EMdO8hDaA+FjflcUR0KSa+5CikcrMCNyg+E7ArJa6dB63
/5NGmec3YC/a2A6MOaZqwZrhXX+HjkM1heTP2sSzyginkYXExQ6rJf7W9XSLUJeM
g0MM305wwJ+z6G4M7Zag2R64L7u/O8GMESgqahkyAHY3
-----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY-----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-----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 380756639054255570959063998915467961559137
 . . . . . . . . [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 'Let's Encrypt Authority X3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-01-16 04:49:31 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-04-16 04:49:31 +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.rja.sk'
 . . . . . . . . [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 (4208 bits)
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 880003192809045901003711479460172478285636913882168792114348276048391312179330079930566097227886524707451806282169931424877065241394140772058465166552692184661339466288321438525098881942762157450602058471859786370958033834959021227368234794764905735864757439232780603355217711491902507380268233132839259831322850733346669617145506826916318484796493217796816804357233573642017253832734188535674755106867389429538685496821065537880067136575909037631263876103928468830096291551878145122536394480944783658645131950600906343324825759814413943189024473301792747875091553156777992295593922796426303032961910746284078085721004970825273510296536794223816558571761964700382039212444690868141685800802516142414339779687942143295757016767015018234113757450679817487263047169990833376310561019106376058754284595181357056279844465457105972179526640384006971242032999909429836739587397299467421313241564056978203075900310614402719779354171086200897043486016232756277553866493049601306630552316140951908794197173991712680382741335436830775721881701320777487172516264900169700499486328083549194769106854314497051715019942697855711976401572859414947053723966727397283433668125512589222888500332714923764900305898359101868919174120327930152297818655107
 . . . . . . . . . . . . . . . . . . . . [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)
							c4569da2e4a90304a4be255c2bfd58b3bf518132
 . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1
 . . . . . . . . . . . . . . . . [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 (99 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://ocsp.int-x3.letsencrypt.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://cert.int-x3.letsencrypt.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 (15 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.rja.sk'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.44947.1.1.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.1 (cps)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:22|false] IA5String 'http://cps.letsencrypt.org'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600e2694bae26e8e94009e8861bb63b83d43ee7fe7488fba48f2893019dddf1dbfe0000016855351fa9000004030047304502207322904e75556fce2f0e9a4935b2787ffe971264d409ffdc7d47a44eec2454e2022100ea358262a017fd9af0fea9f85813d7cfce22b63e8de7273affa7ea0a4128325200750063f2dbcde83bcc2ccf0b728427576b33a48d61778fbd75a638b1c768544bd88d0000016855352194000004030046304402204aacdc50cfebea0923d310b52e0ec880d085c0817e6f8bb026f6f01150cf34590220147811c6f6d57ec625429ab0c485eeb9e2613dddadd0cd6d13c8dd4221a1d4ce
 . . . . [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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