stc21.co.uk

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 04:fe:a3:53:2c:77:f8:d2:a0:31:d1:84:01:58:18:c8:86:66 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=stc21.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 04:fe:a3:53:2c:77:f8:d2:a0:31:d1:84:01:58:18:c8:86:66
Serial Number (int): 435097960950842736797395629268385755858534
Serial Number lenght: 139 bits, 18 octets

SubjectKeyId: c9:15:64:ba:d7:9b:0b:71:91:e8:33:cd:27:5b:09:61:37:04:71:08
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 4d:4b:6a:dc:7c:2b:85:c5:56:c1:2e:f8:0a:eb:a0:0d:e1:0e:c8:c1
Fingerprint (sha256): 34:e4:2a:87:91:b5:40:ab:17:11:11:ab:f7:03:5e:e8:22:99:ce:9f:ba:54:6d:78:4a:26:8f:9f:fb:59:48:5f

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 stc21.co.uk

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for stc21.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

8 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

stc21.co.uk
www.stc21.co.uk

Other certificates including the domain name stc21.co.uk

(limited to 100 certificates)
feedback.stc21.co.uk
mercury.vds-platform.com
www.matchday-sports.com
stc21.co.uk
stc21.co.uk
pioneer-my-portal.hermes.aimgt.info
www.stc21.co.uk
stc21.co.uk
streamviewer.public.dev.tesuji.io
stc21.co.uk
grgmhss.org
zsejki.com
stc21.co.uk
dash.throw.app
speedtyping.club
stc21.co.uk
wavbands.com
stc21.co.uk
hasanli.info
stc21.co.uk
mydreame365.in
stc21.co.uk
crebo.co.jp
custom-docs.deepaffects.com
stc21.co.uk
signature-verification.glib.ai
acanas.app
gustawjakubowski.com
auth.mondoo.app
acemetalworkz.com
stc21.co.uk
www.tuerkiyereal.estate
injector-stud.io
grp.mediabracket.com
fb.ktupad.com
crebo.co.jp
fire.nkynky.com
foodini.co.in
www.dicksword.xyz
arslanhukukdanismanlik.com
app.sensormonitor.fi
wingscross.turnosweb.app
app.remind.works
stc21.co.uk
gtools.mskian.com
eravea.io
mubbashir-ahmed.pk
rocklandinstantcopy.net
app.stc21.co.uk
www.matchday-sports.com
ocbh.cc
citizenlab.net
www.newemperium.com
www.gabrielveloz.com
manager-dev.freshnow.app
clearcut.tech
stc21.co.uk
tad.codes
stc21.co.uk
app.thunder-miner.com
stc21.co.uk
krew-react.test.m4m.io
thuzio.com
www.sichlog.de
skyhighrocket.com
www.tonykevin.com
app.remind.works
chromecents.com
dap.deproba.com
escode.lv
stc21.co.uk
stc21.co.uk
stc21.co.uk
www.newemperium.com
emoje.ca
wakeandlate.com
dash.throw.app
www.tonykevin.com
stc21.co.uk
seguridad.altechonduras.com
test.stc21.co.uk
barohaat.com
jasnum.pl
auth.mondoo.app
www.rackit.app
hasanli.info
stc21.co.uk
feedback.stc21.co.uk
stc21.co.uk
stc21.co.uk
custom-docs.deepaffects.com

Certificate

The complete raw certificate details for stc21.co.uk in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAqkN18M2YxQAFn6PEe1CQ
VbDDjy7pnEkkl/CLJVLhjaRyMRcgCiMWLIn+tOKdLjHR9BccVV4MVxC5CcDkKz5K
ZDaod4xGW7C1fRHy10IcRJFoLvEmZiZF0dsJZztKm3KZK1NJ9SdDVgZaB1VjTMNC
eQ5Hk/Y1WXDBsXSWedF+2sZfI/O2ZJsQG3+1rzd4dwIzgf3xGc26239RevzKCfk2
ONX64X2TiIAd/GGO3Wch1evZWNNfKjyxSZ8IweNZn5LK6Ib+op+14+xSh1iOeWHo
wTJEBtqjSRckuFgiqKZq9Oega0yOs+XVllJeUhrw/UCebaZp3lKEhkzLKXCwMqFs
HwIDAQAB
-----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 435097960950842736797395629268385755858534
 . . . . . . . . [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 2017-05-16 02:44:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-08-14 02:44:00 +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 'stc21.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 21493777958013218062438190600227465623602804758087877842391163635231191269152942405848426548358516915589119785149578594326225874189497289855949248154464172712717073658726860826082421168006684327925775058728315133908908856845226464756205826328782711760895057099880813099267459251763172986305802317179323973981692207237576933115021934069914699757379492106030929122869138423490329822238440854867793249415726659095838545316418966330653442369153668139709517249664110654592315176163828866719599271383972213590578393976739460063912870207270395826926579950072400556761309145261808462181715357961883392303649653449223655484447
 . . . . . . . . . . . . . . . . . . . . [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)
							c91564bad79b0b7191e833cd275b096137047108
 . . . . . . . . . . . . . . . . [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 (100 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 (32 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'stc21.co.uk'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.stc21.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 (246 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 1.3.6.1.5.5.7.2.2 (unotice)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/'
 . . . . [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)
		000b2ed5d8955714cd97d74f19aee9a032852f1ead8009b6c510d7833d3b2e30b10f851bb25f47b5318a9b0fda755b6d7f08d486cbd16ecacc18b780d44bc4017cc2965a17fa5184430b30ba0220e3cd337717fad8a1ca937b0ba0b0fb63bac39a78926fcd4c3b4367e15f0efd604e569133a27c6cbf74e4863fa9f634867ff817ec260f77321975bcdc59273afde1734bfd5d31d0f7691d4a240a28754037db18261d8ee36cce5747a4c3bf4352533d0d5aca993d92a88dc023f3927272398f149916fcc64a41e3659abe06f486ca2fce68c06f2a97315d2bb31f114b306e886b1a85253b8456396f13409bb44a3941d27d2cad4db3f0196ef5452dd9ee218829