DV SSL/TLS Certificate for realtime.at

Certificate is witin its validity period

Issued by Let's Encrypt (R11)

About the realtime.at DV SSL/TLS Certificate

This certificate with serial number 06:b7:6b:b5:74:02:37:43:44:2b:1c:61:e9:99:4d:cd:28:be for realtime.at was issued on by Let's Encrypt.

With 2 subject alternative names, this certificate can be used to secure multiple FQDNs. This DV SSL/TLS Certificate is currently within its validity period but we haven't checked the revocation status of this certificate, you can do this simply on revocationcheck.com. We have found some issues with the compliance of this certificate, they are be shown below. We hope this DV SSL/TLS Certificate review for realtime.at provides you with the detailed information you were looking for.


We have identified some issues with this certificate:
  • 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)

Let's Encrypt

Organization: Let's Encrypt
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 06:b7:6b:b5:74:02:37:43:44:2b:1c:61:e9:99:4d:cd:28:be
Serial Number (int): 585088558291308672839850983565353779275966
Serial Number Length: 139 bits, 18 octets

Subject Key Identifier: d7:37:49:98:ed:52:5a:6d:91:ce:31:02:01:e5:ac:ae:fb:54:42:3f
Authority Key Identifier: c5:cf:46:a4:ea:f4:c3:c0:7a:6c:95:c4:2d:b0:5e:92:2f:26:e3:b9

Fingerprint (SHA-1): 09:c5:e8:e2:dd:d5:b4:99:f1:68:37:98:86:29:5e:68:cc:e3:75:6a
Fingerprint (SHA-256): c0:c1:2e:22:5e:15:86:ba:27:7f:c2:72:62:ee:ea:7e:20:f7:32:ec:e1:ac:01:47:6d:3f:5d:6e:2c:c4:c9:bf

Issuing Certificate URL: http://r11.i.lencr.org/

Revocation Information

CRL Distribution Point: http://r11.c.lencr.org/63.crl

Check the revocation status for certificate realtime.at
2
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for realtime.at

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
10
CA Certificate
This is not a CA certificate

Subject Alternative Names

X.509 Certificate

The complete raw X.509 certificate details for realtime.at in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvjZZdJ0kmD8VrV+F0IWS
qGjWeylN0HJ1ag6e2Isr4yHOD8QlXnc3DW+TPs2zNO67CMavqZuAlQ/CYBa5elIo
bQcuJDBA8e4cnwFTx4cRANVthY+RemFQfWT58xZ5vJUtTNUyXdpshINb37Hbz09v
EjsLEorzHXc3NKOD5eX79d9Tm7DpcOPNv5VEjc7pj5DiuXxzcSNw/uodCFfROqg2
tuRfnGuWsaWBEXbI3nBcsCQ/4YkPSRFHxlsGNEDfJgeRC7NxJjyxm3It0fGYfFLN
U/CeIDqpuX0/AH5qI8kSkDC49LkoHcgGLmZ4i0Us5t8woCbYbQYydZGq4j9LVo+g
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 585088558291308672839850983565353779275966
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'R11'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-06-10 01:45:29 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-09-08 01:45:28 +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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'realtime.at'
 . . . . . . . . [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
 . . . . . . . . . . . . . . . . [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 24012078649139216843578850794939168339260652745881391016450362496144551482159408272849099884676438598553732730248582197668303536875133850800847903360437937173096562390776950338806469446315108466347386199029127393334666945656511936106166690880766403994063308626056657608282664560993727106889835419833123932349080839307395174123167459629854016054018565629182182947552753836213316166048185110750561127864960737160432099674794573731712082146878690393743019382871807368733266948137317650226880729494017694955230706848584858353117676062030185958181779757962022626120713042263714231747497715559792298345889058361764150747153
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.19
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (22 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (20 bytes)
							d7374998ed525a6d91ce310201e5acaefb54423f
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName c5cf46a4eaf4c3c07a6c95c42db05e922f26e3b9
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.1.1
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.i.lencr.org/'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.17
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'realtime.at'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.realtime.at'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.32
 . . . . . . . . . . . . . . . . . . . . [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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (39 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|true] OtherName 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://r11.c.lencr.org/63.crl'
 . . . . . . . . . . . . . . . . [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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075000de1f2302bd30dc140621209ea552efc47747cb1d7e930ef0e421eb47e4eaa340000019757b91e98000004030046304402202f8d418d435b641879c6fd4c8f12169c91602e0ff4a401f5a0a678053f264c3902204f55f84b087221a76c9dfabd8c5eeafd7b965b13e48508b63c9e6dc23adeb862007500dddcca3495d7e11605e79532fac79ff83d1c50dfdb003a1412760a2cacbbc82a0000019757b91ed8000004030046304402200bd4a80d17bd4c9b96ac8dc0f89d25e64803ae3c0b53c1d907b2a3c59ab460a1022011e4d8a4cde37c6a97ee94994bbc39a1d4e12f64e8909061332a65334d460821
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.11
 . . . . . . . . [c:0|t:5|false] NULL []
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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