springer.com

Issued by R3

About this certificate

This digital certificate with serial number 03:ea:22:cb:4a:76:f1:f2:87:13:50:7d:13:3b:33:b0:2b:be 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:
  • Subscriber Certificate: commonName is deprecated. (BRs: 7.1.4.2.2)

Certificate Subject

CN=springer.com

Let's Encrypt

Organization: Let's Encrypt
Country: US

This certificate has expire since

Certificate Details

Serial Number (hex): 03:ea:22:cb:4a:76:f1:f2:87:13:50:7d:13:3b:33:b0:2b:be
Serial Number (int): 341009180953221423032186535025236543286206
Serial Number lenght: 138 bits, 18 octets

SubjectKeyId: 28:31:31:dc:a3:98:14:a1:ab:c7:cf:81:57:93:e7:43:f4:2a:56:0d
AuthorityKeyId: 14:2e:b3:17:b7:58:56:cb:ae:50:09:40:e6:1f:af:9d:8b:14:c2:c6

Fingerprint (sha1): 07:92:3a:ef:40:d2:11:ae:46:45:cf:a4:e3:20:54:bd:f5:3a:41:c5
Fingerprint (sha256): 16:9a:b2:7c:11:22:95:4a:ca:42:f1:3e:41:11:b3:5c:d3:88:cb:39:1c:20:12:24:4b:5f:62:81:84:40:1f:c1

Issuing Certificate URL: http://r3.i.lencr.org/

Revocation information

OCSP Server: http://r3.o.lencr.org

Check the revocation status for certificate springer.com

1

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for springer.com

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

springer.com

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support13.cdnetworks.net
springer2.map.fastly.net
*.springer.com
springer2.map.fastly.net
support13.cdnetworks.net
dns-vetting1i.map.fastly.net
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dns-vetting2.map.fastly.net
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support13.cdnetworks.net
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support13.cdnetworks.net
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springer2.map.fastly.net
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dns-vetting2.map.fastly.net
i.ssl.fastly.net
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support13.cdnetworks.net
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support13.cdnetworks.net
support13.cdnetworks.net
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springer.com
www.springer.com
*.springer.com
dns-vetting1i.map.fastly.net
dns-vetting2.map.fastly.net
i.ssl.fastly.net
support13.cdnetworks.net
dns-vetting1i.map.fastly.net
dns-vetting2.map.fastly.net
ict.kolibrie.nl
springer2.map.fastly.net
support13.cdnetworks.net
i.ssl.fastly.net
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support13.cdnetworks.net
www.springer.com
*.springer.com

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyNz+35Q2IyQLaHNIbp9Q
po92GBusGQ/MDrQXSZW15/3bGAFd/YOck9wZb1+gmifsMb7aVdbveX6+rTbsmww/
qPgnBPRkuIa3+1XBLB4awG1oLYPcdXPbTFoVJq7rzIrf2flCVLN5AidO0vmZpuB9
iWKCcJ5DIy84FMFRMt+H0O/XiGCWp52BC2+JadxZwxJYybujXdCj4rC2+AytVByL
VwSBKKcIQ5vUm6cFe51D2wNOPYvS6RiHw8OZOb1OZM2N99SeRViY12Uv2yDd+aSz
1rAtuD4B2i01vhQCYuAwB30iz9jh835+NeNcjsRU6iXsxZr1VS59+mxagZkgB4iF
qwIDAQAB
-----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 341009180953221423032186535025236543286206
 . . . . . . . . [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 'R3'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-07-07 14:26:45 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2023-10-05 14:26:44 +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 'springer.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 25356637984728443198180916835729447779596148321924065066943285713028116345168255260157213990994373700058757671385721948075298141960437812321449758847716527763949488485907516854805315269337590186767787438259694969698035416101348634001544077550553876897327570614757180943748092990049186030942781379416467559533196799975462909817604057101856876858094606558549436104238673787145474748882123039630564052231505778720005527498264305434187974900045053753625202559916334259917162216671850692875919012582513089803051564866352722263031135865159190364176007390843490654685655920746856341543545289447008812273212833438426674529707
 . . . . . . . . . . . . . . . . . . . . [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)
							283131dca39814a1abc7cf815793e743f42a560d
 . . . . . . . . . . . . . . . . [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 142eb317b75856cbae500940e61faf9d8b14c2c6
 . . . . . . . . . . . . . . . . [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://r3.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://r3.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 (16 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'springer.com'
 . . . . . . . . . . . . . . . . [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 (244 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (241 bytes)
							00ef007600b73efb24df9c4dba75f239c5ba58f46c5dfc42cf7a9f35c49e1d098125edb4990000018930f67627000004030047304502205a733d5004ebcaedcae596aa84432bf942d11168814d661eeec37d96402eeae5022100a6b78fd5bdbec1b3ec26c9e57b2facf2b4ecb5267082dfa42c80ef229e5e4bbd0075007a328c54d8b72db620ea38e0521ee98416703213854d3bd22bc13a57a352eb520000018930f6763e0000040300463044022008401447ae8c1d04cd43bc9e96746aecc6363fb832c355e24a4b50e6091a8555022005e07127a11aa5ad8c5d41e3e10574e73ca387341bee4074f0bb1bd11cdc7e93
 . . . . [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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