dev.outlook.com

Issued by Microsoft IT TLS CA 4

About this certificate

This digital certificate with serial number 16:00:0e:34:02:3c:8a:6e:90:1c:8f:93:c7:00:00:00:0e:34:02 was issued on Tuesday Jan 7, 2020 at 1:24AM by Microsoft Corporation.

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:

KeyUsage [DataEncipherment DigitalSignature KeyEncipherment] (00001101) inconsistent with multiple purpose ExtKeyUsage [clientAuth serverAuth] The certificate MUST only be used for a purpose consistent with both key usage extension and extended key usage extension. (RFC 5280, Section 4.2.1.12.)
Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)
The keyUsage extension SHOULD be critical (RFC 5280: 4.2.1.3)

Certificate Subject

CN=dev.outlook.com

Microsoft Corporation

Organization: Microsoft Corporation
Organization unit: Microsoft IT

State / Province: Washington
Locality: Redmond
Country: US

This certificate has expire since Friday Jan 7, 2022 at 1:24AM UTC

Certificate Details

Serial Number (hex): 16:00:0e:34:02:3c:8a:6e:90:1c:8f:93:c7:00:00:00:0e:34:02
Serial Number (int): 490621227452278889065186677368687764622423042
Serial Number lenght: 149 bits, 19 octets

SubjectKeyId: 7a:21:d6:fc:7e:66:49:04:3b:57:91:b3:d0:15:07:cc:52:38:17:03
AuthorityKeyId: 7a:7b:8c:c1:cf:e7:a0:ca:1c:d4:6b:fa:fb:e1:33:c3:0f:1a:a2:9d

Fingerprint (sha1): a4:ba:a5:67:00:a2:c0:8d:11:48:5e:99:7c:b2:48:3c:93:ce:79:8b
Fingerprint (sha256): 05:89:58:0d:f7:d2:ae:61:de:c7:e0:66:b4:cb:58:eb:94:76:aa:e0:66:5f:ce:e3:e0:29:0c:bb:6f:44:0b:08

Issuing Certificate URL: http://www.microsoft.com/pki/mscorp/Microsoft%20IT%20TLS%20CA%204.crt

Revocation information

OCSP Server: http://ocsp.msocsp.com
CRL Distribution Point: http://mscrl.microsoft.com/pki/mscorp/crl/Microsoft%20IT%20TLS%20CA%204.crl
CRL Distribution Point: http://crl.microsoft.com/pki/mscorp/crl/Microsoft%20IT%20TLS%20CA%204.crl

Check the revocation status for certificate dev.outlook.com

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for dev.outlook.com

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA256 with RSA

Key Usage

Digital Signature
Key Encipherment
Data Encipherment

Extended Key Usages

Client Authentication
Server Authentication

Extensions

11 extensions
No unhandled critical extensions

CA Certificate

This is not a CA certificate

Subject Alternative Names

Fully Qualified Domain Names

dev.outlook.com

developer.outlook.com

dev.outlook.com
developer.outlook.com

Other certificates including the domain name outlook.com

(limited to 100 certificates)

Certificate

The complete raw certificate details for dev.outlook.com in PEM and ASN.1 format.

Certificate (PEM)

Public Key (PEM)

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 490621227452278889065186677368687764622423042
 . . . . . . . . [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 2.5.4.8 (stateOrProvinceName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Washington'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.7 (localityName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Redmond'
 . . . . . . . . . . . . [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 'Microsoft Corporation'
 . . . . . . . . . . . . [c:0|t:17|true] SET, SET OF 
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.4.11 (organizationalUnitName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'Microsoft IT'
 . . . . . . . . . . . . [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 'Microsoft IT TLS CA 4'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-07 01:24:17 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2022-01-07 01:24:17 +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 'dev.outlook.com'
 . . . . . . . . [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 24764951534756104774707100410034331847266460876177791055275240450377472263629881798904274223848501875958507689198282503982166488615155062156541957440434812299102939782090441044111732660219633272093398251702675440687495873510811468928191274559690066158201142410219038756773177958606365202149589724804478120798933342672713171011300121530676080695612851721226402664316839985045255980979623322101117530471370748943727037501889613985998495450225450754951066221475679988053980778724141155496684702587452496843773888424493002636758364857983039000446317289562226620036713989532414059764356100846093732393515767263491557738801
 . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.4.1.11129.2.4.2
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (366 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (362 bytes)
							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
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.311.21.10 (applicationCertPolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (26 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.311.21.7 (certificateTemplate)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (49 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.311.21.8.16155509.8105089.5391003.2969441.12400096.221.9744322.5884410
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 100
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 29
 . . . . . . . . . . . . . . . . [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 (121 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://www.microsoft.com/pki/mscorp/Microsoft%20IT%20TLS%20CA%204.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.msocsp.com'
 . . . . . . . . . . . . . . . . [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)
							7a21d6fc7e6649043b5791b3d01507cc52381703
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.15 (keyUsage)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (4 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (4 bits)
							04b0
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'dev.outlook.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'developer.outlook.com'
 . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.5.29.31 (cRLDistributionPoints)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (164 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://mscrl.microsoft.com/pki/mscorp/crl/Microsoft%20IT%20TLS%20CA%204.crl'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crl.microsoft.com/pki/mscorp/crl/Microsoft%20IT%20TLS%20CA%204.crl'
 . . . . . . . . . . . . . . . . [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 (70 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.311.42.1
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://www.microsoft.com/pki/mscorp/cps'
 . . . . . . . . . . . . . . . . [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 7a7b8cc1cfe7a0ca1cd46bfafbe133c30f1aa29d
 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.3.2 (clientAuth)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.3.1 (serverAuth)
 . . . . [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 (4096 bits)
		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