DV SSL/TLS Certificate for estimator.co.uk

Certificate is witin its validity period

Issued by Amazon (Amazon RSA 2048 M03)

About the estimator.co.uk DV SSL/TLS Certificate

This certificate with serial number 07:50:50:2d:5b:50:76:2b:e9:40:08:08:ef:c6:18:f4 for estimator.co.uk was issued on by Amazon.

With 4 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 estimator.co.uk 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)

Amazon

Organization: Amazon
Country: US

This X.509 certificate will expire on

Certificate Details

Serial Number (hex): 07:50:50:2d:5b:50:76:2b:e9:40:08:08:ef:c6:18:f4
Serial Number (int): 9721605905473210604712184637280360692
Serial Number Length: 123 bits, 16 octets

Subject Key Identifier: e2:fa:7e:5d:31:d1:25:dc:57:c4:b4:70:bd:fb:41:2d:ab:6f:cf:bb
Authority Key Identifier: 55:d9:18:5f:d2:1c:cc:01:e1:58:b4:be:ab:d9:55:42:01:d7:2e:02

Fingerprint (SHA-1): 8b:2c:de:d3:a3:bb:0c:a0:2a:3f:b2:86:d9:40:a6:62:c8:8d:55:dc
Fingerprint (SHA-256): 1e:da:73:75:86:ed:cb:f7:b3:c6:2c:05:6a:c6:65:e6:58:98:ba:59:e0:5b:c6:6f:c0:b3:15:db:2e:b7:af:13

Issuing Certificate URL: http://crt.r2m03.amazontrust.com/r2m03.cer

Revocation Information

OCSP Server: http://ocsp.r2m03.amazontrust.com
CRL Distribution Point: http://crl.r2m03.amazontrust.com/r2m03.crl

Check the revocation status for certificate estimator.co.uk
4
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details of the X.509 certificate for estimator.co.uk

Public Key Algorithm
RSA
Key Size
2048
Signature Algorithm
SHA256 with RSA
Key Usage
Key Encipherment
Digital Signature
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 estimator.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAsg2JDFl+b6Aayvt1q/eU
RY9TUzlNW9MsMsV2LbcKCtLkm2OxiPdXfAtmhOscv8sQXo/pKFCSy4i5dbtsfMJ2
GEcDgo6Ay+iylP58VRB05BRsChdqWLkcDy67UQmItPXAteTB5hVbGocCnK9Hu/B9
RVorMz5YZFUUouStx4HLrwqyYra+4FTC2I6fmxLdeufCILpaL3skqbbboBbEPznN
B7kuAKV/TIT8FDElLju9yV3oKMsvuMTbMudCf3Mk/XXrNR4qqqRLexRMZmP5J5Ip
DEqP91LUo8WM6OgIGFM2G7alqetfIQAMiL1yrd8HUOt3Bdoq5lhJnCwRNb9PnsQW
BwIDAQAB
-----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 9721605905473210604712184637280360692
 . . . . . . . . [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 'Amazon'
 . . . . . . . . . . . . [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 'Amazon RSA 2048 M03'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-11-22 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2025-12-21 23:59:59 +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 'estimator.co.uk'
 . . . . . . . . [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 22477092811187972403333287372485780966408819851145514683687352748239688030736970871833056529925789480324868402685103969120531965962193799055113777838686193376204701424799567621407559846720796117547980694001292222601081032961869969580071377086837612256020239881207155564114231680800660336340285235053048051058476969718331581022034535158021418106366237824513756779318268272087012326814527569009511307468033617505734266135879020699295497727166993653941284337617276564964129354358423578705897819859842931556083761562527122153622326065808007370425633559465036636764354890274470252206298939962443522199897626507771897976327
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 55d9185fd21ccc01e158b4beabd9554201d72e02
 . . . . . . . . . . . . . . . . [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)
							e2fa7e5d31d125dc57c4b470bdfb412dab6fcfbb
 . . . . . . . . . . . . . . . . [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 (70 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'estimator.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.estimator.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '*.yardstick.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'yardstick.com'
 . . . . . . . . . . . . . . . . [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 2.5.29.15
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.31
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (52 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://crl.r2m03.amazontrust.com/r2m03.crl'
 . . . . . . . . . . . . . . . . [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 (105 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
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://ocsp.r2m03.amazontrust.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://crt.r2m03.amazontrust.com/r2m03.cer'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (365 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (361 bytes)
							016700760012f14e34bd53724c840619c38f3f7a13f8e7b56287889c6d300584ebe586263a0000019352541685000004030047304502204835d4d8286f52483220c539019718cb68811c2ab0636747514d896811f1738b02210084889c9552a0696abe67660cf5540fbf767b9524d064ad70e000cc0c615c6e1a007500ccfb0f6a85710965fe959b53cee9b27c22e9855c0d978db6a97e54c0fe4c0db00000019352541679000004030046304402201a32962fabdbdaf8eb231354670b4efa12764d0135130e0652d05ef8a7ce351c02202510fb3cad00605180192933d47590e627d3a23cf5b41a3bf07d3dc91cde0bf50076001a04ff49d0541d40aff6a0c3bff1d8c4672f4eecee234068986b17402edc897d00000193525417c70000040300473045022100ec6b8310ec75354b2610a50e54f1a0273eba51cdec817484670145274a8542d8022035b133c2b9204f20b1ed06bcad5293954ea100099034aba31ab0fe86875df60a
 . . . . [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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