www.sipgate.co.uk

Issued by E1

About this certificate

This digital certificate with serial number 03:6c:af:05:88:0f:62:11:ee:bc:a1:36:79:75:60:be:fa:a7 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:
  • 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=www.sipgate.co.uk

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:6c:af:05:88:0f:62:11:ee:bc:a1:36:79:75:60:be:fa:a7
Serial Number (int): 298319997043115226690257860399086838938279
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 03:18:f2:07:d4:16:3e:0d:fe:75:94:6a:9e:55:0d:1c:19:9c:16:48
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac

Fingerprint (sha1): 17:54:c5:5d:aa:76:1f:4e:d2:df:e7:42:22:87:c1:9e:82:19:cc:bc
Fingerprint (sha256): 72:19:b0:5f:6c:be:e3:2a:c3:5d:81:7d:c4:69:3f:67:77:57:01:2c:7f:b8:1a:b4:e3:95:a0:bd:c8:84:61:5e

Issuing Certificate URL: http://e1.i.lencr.org/

Revocation information

OCSP Server: http://e1.o.lencr.org

Check the revocation status for certificate www.sipgate.co.uk

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for www.sipgate.co.uk

Public Key Algorithm

ECDSA

Key Size

256

Signature Algorithm

ECDSA with SHA384

Key Usage

Digital Signature

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

www.sipgate.co.uk

Other certificates including the domain name sipgate.co.uk

(limited to 100 certificates)
basicsupport.sipgate.de
tls01.sipgate.co.uk
support.simconnect.de
secure.sipgate.co.uk
sipgate.co.uk
teamhelp.sipgate.co.uk
support.simconnect.de
basicsupport.sipgate.de
basicsupport.sipgate.de
sipgate.co.uk
teamhelp.sipgate.co.uk
basicsupport.sipgate.de
support.simconnect.de
sipgate.co.uk
www.sipgate.co.uk
secure.live.sipgate.co.uk
support.simconnect.de
support.simconnect.de
status.sipgate.co.uk
secure.sipgate.co.uk
support.simquadrat.de
basicsupport.sipgate.de
basicsupport.sipgate.de
basicsupport.sipgate.de
support.simconnect.de
basicsupport.sipgate.de
basicsupport.sipgate.de
teamhelp.sipgate.co.uk
www.sipgate.co.uk
secure.stage.sipgate.co.uk
www.sipgate.co.uk
support.simconnect.de
basicsupport.sipgate.de
secure.live.sipgate.co.uk
basicsupport.sipgate.de
support.simquadrat.de
www.sipgate.co.uk
secure.sipgate.co.uk
support.simconnect.de
basicsupport.sipgate.de
www.sipgate.co.uk
basicsupport.sipgate.de
www.sipgate.co.uk
secure.sipgate.co.uk
tls01.sipgate.co.uk
secure.sipgate.co.uk
sipgate.co.uk
basicsupport.sipgate.de
basicsupport.sipgate.de
basicsupport.sipgate.de
teamhelp.sipgate.co.uk
basicsupport.sipgate.de
support.simconnect.de
basichelp.sipgate.co.uk
support.simconnect.de
status.sipgate.co.uk
secure.live.sipgate.co.uk
sip.sipgate.co.uk
support.simconnect.de
tls01.sipgate.co.uk
support.simconnect.de
signup.dev.sipgate.de
www.sipgate.co.uk
secure.live.sipgate.co.uk
support.simconnect.de
tls01.sipgate.co.uk
secure.sipgate.co.uk
secure.sipgate.co.uk
teamhelp.sipgate.co.uk
teamhelp.sipgate.co.uk
sipgate.co.uk
www.sipgate.co.uk
secure.stage.sipgate.co.uk
basicsupport.sipgate.de
support.simconnect.de
sipgate.co.uk
basicsupport.sipgate.de

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAECBJDv/5RitA6Nd4UkFIZjj3lzExP
zoaCt2JFMYPN9geGOlYIb8iBVvnacom8XI82ZPxMYjPz7tGw+Ff7B5Rmlg==
-----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 298319997043115226690257860399086838938279
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . . . . . [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 'E1'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-14 17:10:15 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-12 17:10:14 +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 'www.sipgate.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 1.2.840.10045.2.1 (ecPublicKey)
 . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1)
 . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits)
				0004081243bffe518ad03a35de149052198e3de5cc4c4fce8682b762453183cdf607863a56086fc88156f9da7289bc5c8f3664fc4c6233f3eed1b0f857fb07946696
 . . . . . . . . [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 (1 bits)
							0780
 . . . . . . . . . . . . . . . . [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)
							0318f207d4163e0dfe75946a9e550d1c199c1648
 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac
 . . . . . . . . . . . . . . . . [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://e1.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://e1.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 (21 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.sipgate.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 (243 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (240 bytes)
							00ee0075003b5377753e2db9804e8b305b06fe403b67d84fc3f4c7bd000d2d726fe1fad4170000018b2f61b89100000403004630440220039660485565746afcddb7bb7f85a202466d79d89a8e418f6827a8834bd17daf02205cee1deacddc47c30a63be4560de4925e3d5c8c1fd3b79b626040592c17c2d9300750076ff883f0ab6fb9551c261ccf587ba34b4a4cdbb29dc68420a9fe6674c5a3a740000018b2f61b89b00000403004630440220364bf593021144a9a26bae1955225962d6c5fe86ab7fbd3563513198344f48bb022030f52d9edae3fb473d390abf614ceec0bcd1a5086a04b5e3313ad027d2a733b2
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384)
 . . . . [c:0|t:3|false] BIT STRING (832 bits)
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 36167436135798298749383120536363354418129269565229810823550193481886934921849196684572835674691850000765668111008810
 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 34198911567389998368291480787973315737988898797973574662861462261787074950701094029283524559074449303379377943554420