reactabiotech.co.uk

Issued by R3

About this certificate

This digital certificate with serial number 03:93:ef:a5:e6:69:b9:f4:15:bd:f2:49:f1:4a:ed:78:dc:58 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=reactabiotech.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:93:ef:a5:e6:69:b9:f4:15:bd:f2:49:f1:4a:ed:78:dc:58
Serial Number (int): 311676912625963662920442960502720107699288
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: d0:fb:9d:42:10:c3:12:b2:d7:11:d8:ab:65:57:e6:89:5d:b9:12:e0
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 7a:92:c5:d4:70:14:b9:02:5b:6f:ba:53:37:a6:cd:c7:29:29:1d:5a
Fingerprint (sha256): 83:d4:c4:1e:e4:1e:18:d5:a4:aa:ed:97:fa:16:d1:fd:a5:3a:9a:a2:60:db:70:d6:13:5f:e6:51:80:60:f9:8a

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

Revocation information

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

Check the revocation status for certificate reactabiotech.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for reactabiotech.co.uk

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

reactabiotech.co.uk
www.reactabiotech.co.uk

Other certificates including the domain name reactabiotech.co.uk

(limited to 100 certificates)
www.reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
live-reactabiotech.kissdigital.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
www.reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk
reactabiotech.co.uk

Certificate

The complete raw certificate details for reactabiotech.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA4jFVRXrb3pfRKs3N8ocq
HgR0sqIIvv4tHXpWKAZuVz2hZJuPghXai7VNdxhN8cu9vPtXbSpFG+ar39JmxDsg
RR1k14aXKpAIOd2nWzFXhP45RZSCzxabhHtC4PqKGRPK6LOi34CTKG0uJlpNRh2R
x9kq1UQz7Kp893nt++00PYR4qP6Q0erJ3jQyNePfdnnX278jBFZ/RmIbLtphP/Sr
ZkhjRkneZEMf3XjB7pgmpmE3YdGEuNjwomRFhCIQhs0I/3tj36sFMLMtHkYtVDkc
PDa1TIUWrF6lE+20+Ft5M2FO+b7EQ5hXiuwfrsgOvCJYIKXroW2bNLyaCPL0fJc8
PQIDAQAB
-----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 311676912625963662920442960502720107699288
 . . . . . . . . [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 2023-11-13 00:52:07 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-02-11 00:52:06 +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 'reactabiotech.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 (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 28554183976394809558824577447784329049038360593907947590918322664346698625866390642699490759324478388778597361020635817598284292163819931644559543574868158522481257150141725184080950716801479790525986289035061061152136506024280230808198056229754042864846870021900714654946241389524839220630519742405389044585655697737949217517988663223383626723209644193320606058048923462843763681768668458091388532320276815329428221181038161905738579294765230329599729071259772690146423692927466365527404070347851643237419554782238151917088110351413170825288648502556273895308502184138361019026621618952432875276069628762482728713277
 . . . . . . . . . . . . . . . . . . . . [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)
							d0fb9d4210c312b2d711d8ab6557e6895db912e0
 . . . . . . . . . . . . . . . . [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 (48 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'reactabiotech.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.reactabiotech.co.uk'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef00750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018bc660feab0000040300463044022006fd28742a33d80503f8a6d5dd302a7f8b45da3ae8a698fb9bb3cf004c0f9210022006155262a396ce77cd9c9611055942c9e01bc833b29c91eb2215d36f827f2eb40076003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018bc660feb2000004030047304502203a807f5538b2b481f6d751b200a11a1a8dc9480538bb98ca99daff0856a6296a022100ddfc15294a18665dc4e41327098c884ffdbfff862269e0cd8609ac09b979cedb
 . . . . [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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