Certificate summary -

Owner: Microsoft Secure Server Authority, Dredmond, Dcorp, Dmicrosoft, Dcom

Issuer: Microsoft Internet Authority

Expiration: Mon May 19 18:23:30 EDT 2014

MD5: B1:FC:72:8F:A7:AA:E0:C8:5B:B9:3D:04:E1:5A:BA:DD

Hash: Owner Hash=3ac0e112, Issuer Hash=f4039b98

Information extracted out of the certificate:

Owner: CN=Microsoft Secure Server Authority, DC=redmond, DC=corp,
DC=microsoft, DC=com
Issuer: CN=Microsoft Internet Authority
Serial number: 61033336000500000030
Valid from: Wed May 19 18:13:30 EDT 2010 until: Mon May 19 18:23:30 EDT
2014
Certificate fingerprints:
	 MD5:  B1:FC:72:8F:A7:AA:E0:C8:5B:B9:3D:04:E1:5A:BA:DD
	 SHA1: 3A:DD:0E:7E:A2:B2:84:FF:45:9E:13:73:65:B4:82:D1:88:DF:BF:8A
	 Signature algorithm name: SHA1withRSA
	 Version: 3

Extensions: 

#1: ObjectId: 2.5.29.19 Criticality=true
BasicConstraints:[
  CA:true
  PathLen:0
]

#2: ObjectId: 1.3.6.1.4.1.311.21.2 Criticality=false

#3: ObjectId: 2.5.29.15 Criticality=false
KeyUsage [
  DigitalSignature
  Key_CertSign
  Crl_Sign
]

#4: ObjectId: 2.5.29.14 Criticality=false
SubjectKeyIdentifier [
KeyIdentifier [
0000: 08 42 E3 DB 4E 11 66 F3	B5 08 C5 40 DB 55 7C 33  .B..N.f....@.U.3
0010: 46 11 83 38					 F..8
]
]

#5: ObjectId: 1.3.6.1.4.1.311.21.1 Criticality=false

#6: ObjectId: 1.3.6.1.4.1.311.20.2 Criticality=false

#7: ObjectId: 1.3.6.1.5.5.7.1.1 Criticality=false
AuthorityInfoAccess [
  [
   accessMethod: 1.3.6.1.5.5.7.48.2
   accessLocation: URIName:
http://www.microsoft.com/pki/mscorp/mswww(5).crt, 
   accessMethod: 1.3.6.1.5.5.7.48.2
   accessLocation: URIName: http://corppki/aia/mswww(5).crt]
]

#8: ObjectId: 2.5.29.31 Criticality=false
CRLDistributionPoints [
  [DistributionPoint:
     [URIName: http://mscrl.microsoft.com/pki/mscorp/crl/mswww(5).crl,
URIName: http://crl.microsoft.com/pki/mscorp/crl/mswww(5).crl, URIName:
http://corppki/crl/mswww(5).crl]
]]

#9: ObjectId: 2.5.29.35 Criticality=false
AuthorityKeyIdentifier [
KeyIdentifier [
0000: 33 21 F0 CB FE A2 A0 44	92 DE F6 3B 33 D8 5F 01  3!.....D...;3._.
0010: 4B 97 78 5D					 K.x]
]

]

Certificate in PEM format (Base64 encoded X.509):

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

Search for the certificate of the issuer.

Search for certificates issued by this owner.