webmail.12bis3.de

Issued by Let's Encrypt Authority X3

About this certificate

This digital certificate with serial number 03:12:01:a5:b7:2f:e1:cb:28:0b:05:28:3e:db:2d:3f:da:b6 was issued on by Let's Encrypt.

With 3 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=webmail.12bis3.de

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:12:01:a5:b7:2f:e1:cb:28:0b:05:28:3e:db:2d:3f:da:b6
Serial Number (int): 267464130072309636279319293755430457563830
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 4c:5e:59:7d:02:bd:89:74:78:72:bd:9e:03:58:30:65:d9:de:fd:ba
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): dd:8e:b4:57:6d:67:5f:c6:5f:fb:74:ab:85:7d:f1:99:b0:aa:f8:26
Fingerprint (sha256): 8f:da:f9:ae:1f:20:55:e3:47:4a:65:fb:09:63:ad:b9:71:44:7c:47:8f:75:dd:78:65:1f:a3:ca:c9:fe:60:01

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 webmail.12bis3.de

3

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for webmail.12bis3.de

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

imap.12bis3.de
mail.12bis3.de
webmail.12bis3.de

Other certificates including the domain name 12bis3.de

(limited to 100 certificates)

Certificate

The complete raw certificate details for webmail.12bis3.de in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAvlCbuQgftyDLbdq6vRiS
+93Y190m/+sHJvTg7BwKZndfz2wQ7GlOHLkptygcMSp2iFl/tv/qg+XU7U4C/0GT
pW64jq4kmr/L5SVOVMS0qGBvr9zEbKQShYMNPFrJneGAOqc/tA8nUYrNIV4NvcMJ
LHo/lUHgJeSAgaFw72F8LUUPIDgahlElfVwCe/1XCBc33fnxqeiV6B/LymhJWVEZ
94XqiKxs0t8dc6jQR3K2nXxB1byjH1WN1b1eL2mf0o0XPkkMPEIIgYE2EMxBAKwM
9Lrmxn/S8vyxefeTUWn0AJZHDTdfelUVnso1xlTioxfxAbvm/8eOWZmAd4FPYvXZ
1wIDAQAB
-----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 267464130072309636279319293755430457563830
 . . . . . . . . [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 2019-02-21 22:47:05 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2019-05-22 22:47:05 +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 'webmail.12bis3.de'
 . . . . . . . . [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 24025027373872233212879254613421982930904410746735315474401674587951711446112144221661048586497173368436667702246336378056696917086231310593636841561016398828684662433786246624040818517767249142471145428045128840479957428176355167654746477438497154403697128295352978506030176234818017179022614973051601004885615889931250782785351983397069974580790930672848489049865089934036836206391471293336677351491843021609623612301393462537634646802967354607404802503921206430303036440203270523229007943504521458930892433924739796177255739923349606779618812831556961474039875193555202134808589354639212130744175721982195662182871
 . . . . . . . . . . . . . . . . . . . . [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)
							4c5e597d02bd89747872bd9e03583065d9defdba
 . . . . . . . . . . . . . . . . [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 (99 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 (53 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'imap.12bis3.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.12bis3.de'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'webmail.12bis3.de'
 . . . . . . . . . . . . . . . . [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 (69 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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f2007700747eda8331ad331091219cce254f4270c2bffd5e422008c6373579e6107bcc560000016912749ae70000040300483046022100c3047e29fb287f29bfeb17f6fe14a2fc612ee8c999c9da13676d1237abcb0f80022100920bfbb982ec21c3f53f763664b6c528013be02b56c36d3257ad589aa6a5c092007700293c519654c83965baaa50fc5807d4b76fbf587a2972dca4c30cf4e54547f4780000016912749ae30000040300483046022100dd7f261f4c1a6f83cfb22399d93b54740c03eb12f0089822553b1aa18299e8f6022100cef3c54e7c5e3a1ffe717a2bb0ec6d0554e2b9220de392ad5d33f2d327e1a11c
 . . . . [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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