1.exchange.1and1.us

- 1&1 Internet Inc. -

Issued by Thawte SSL CA

About this certificate

This digital certificate with serial number 37:89:7a:30:dc:29:41:05:bb:41:ca:3e:d9:df:d1:b9 was issued on by Thawte, Inc..

With 5 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)
  • Sub certificates SHOULD include Subject Key Identifier in end entity certs (RFC 5280: 4.2 & 4.2.1.2)

1&1 Internet Inc.

Organization: 1&1 Internet Inc.
State / Province: Pennsylvania
Locality: Chesterbrook
Country: US

Thawte, Inc.

Organization: Thawte, Inc.
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 37:89:7a:30:dc:29:41:05:bb:41:ca:3e:d9:df:d1:b9
Serial Number (int): 73821362762849665762146502508260872633
Serial Number lenght: 126 bits, 16 octets

SubjectKeyId:
AuthorityKeyId: a7:a2:83:bb:34:45:40:3d:fc:d5:30:4f:12:b9:3e:a1:01:9f:f6:db

Fingerprint (sha1): 2a:66:46:87:1d:ef:57:55:f8:06:1b:5d:16:1a:32:b6:e5:d7:6a:4e
Fingerprint (sha256): 32:fa:73:2c:b1:61:7f:db:c2:3e:79:27:16:d8:46:07:c0:70:37:3a:1e:2c:49:79:d6:c7:31:b7:02:02:3e:cf

Issuing Certificate URL: http://svr-ov-aia.thawte.com/ThawteOV.cer

Revocation information

OCSP Server: http://ocsp.thawte.com
CRL Distribution Point: http://svr-ov-crl.thawte.com/ThawteOV.crl

Check the revocation status for certificate 1.exchange.1and1.us

5

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for 1.exchange.1and1.us

Public Key Algorithm

RSA

Key Size

2048

Signature Algorithm

SHA1 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

1.exchange.1and1.com
1.exchange.1and1.mx
smtp.1.exchange.1and1.us
mail.1.exchange.1and1.us
1.exchange.1and1.us

Other certificates including the domain name 1and1.us

(limited to 100 certificates)

Certificate

The complete raw certificate details for 1.exchange.1and1.us in PEM and ASN.1 format.

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAkqJhChgbg5DSAGlGzca8
ZhpRyWd1B8cLYlCoK1R4j3PsBdQZtTvYyLPunFWDQg83l009yxN6W9lxhR1ZVx2v
cTzkHQtdcsK/OVMvE3tlzXB/qtrx05i0Avk+j75wOI7ax3fld8JIsBC+sC7Scrwk
tPykKnEL+suJN4395mY2UnVZJW+8ZlfBJYq1z1KgPoE3Ob4f57W5xmPrWl8yQ3BA
iWUjv1KUN89wGTD/If6tWRJQ8+FdGorO/slWLSfMIkk+2JCmEGRKx3swun5is6vt
vmQOC5CFNQqCCwf/3Kd2m6r/AqiEV4+QznAFfs+OVdiYxHQyJaF2z6glEGM/tTZ6
+wIDAQAB
-----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 73821362762849665762146502508260872633
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . . . . . [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 'Thawte, Inc.'
 . . . . . . . . . . . . [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 'Thawte SSL CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2013-03-13 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2017-03-12 23:59:59 +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 2.5.4.6 (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 'Pennsylvania'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String 'Chesterbrook'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String '1&1 Internet Inc.'
 . . . . . . . . . . . . [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:20|false] TeletexString, T61String '1.exchange.1and1.us'
 . . . . . . . . [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 18510864623994063735922532295860091483117415818126848558495312787775779248112539543446933107236181612537479946860501179452403688716476817821434487711693461087488580821736524501008424908496998764841813905176036811078311992072350532127844166304104109745681148839909458669848849841346514490371325048150124411323212731134577053226475969632378154357046416938620189708533829580658494905905854764789804538296870952544895435774721877273886389975036300779142504833394588012041610561022129802717498538119081504280608821514837438305635633072116663478236332746425996790186852108566928959787879259071551344029483577399680395803387
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.19 (basicConstraints)
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (59 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 2.16.840.1.113733.1.7.54
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 'https://www.thawte.com/cps/'
 . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName a7a283bb3445403dfcd5304f12b93ea1019ff6db
 . . . . . . . . . . . . . . . . [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 (51 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://svr-ov-crl.thawte.com/ThawteOV.crl'
 . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (93 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.thawte.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://svr-ov-aia.thawte.com/ThawteOV.cer'
 . . . . . . . . . . . . . . . . [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 (118 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1.exchange.1and1.com'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1.exchange.1and1.mx'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'smtp.1.exchange.1and1.us'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'mail.1.exchange.1and1.us'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String '1.exchange.1and1.us'
 . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.113549.1.1.5 (sha1WithRSAEncryption)
 . . . . . . . . [c:0|t:5|false] NULL 
 . . . . [c:0|t:3|false] BIT STRING (2048 bits)
		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