communities.springernature.com
Issued by E1
About this certificate
This digital certificate with serial number 04:68:95:8c:20:04:30:c2:95:ee:d2:4e:1c:74:e6:fe:a8:c8 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:
- DV certificate contains a subject common name, this is not recommended. If certificate policy 2.23.140.1.2.1 (CA/B BR domain validated) is included, only country and/or common name is allowed in SubjectDN. (BRs: 7.1.2.7.2)
- Subscriber certificates use of Subject Key Identifier is NOT RECOMMENDED (BRs v2: 7.1.2.7.6)
- Subscriber Certificate: commonName is NOT RECOMMENDED. (BRs: 7.1.2.7.1)
Certificate Subject
CN=communities.springernature.com
Let's Encrypt
Organization:
Let's Encrypt
Country:
US
This certificate has expire since
Certificate Details
Serial Number (hex): 04:68:95:8c:20:04:30:c2:95:ee:d2:4e:1c:74:e6:fe:a8:c8Serial Number (int): 384037292429119844614646244540751879776456
Serial Number lenght: 139 bits, 18 octets
SubjectKeyId: ec:3d:2f:24:52:1a:47:29:67:3d:aa:a6:2b:45:a6:6b:fa:81:f9:81
AuthorityKeyId: 5a:f3:ed:2b:fc:36:c2:37:79:b9:52:30:ea:54:6f:cf:55:cb:2e:ac
Fingerprint (sha1): e8:32:2d:48:6c:b6:cd:0a:34:4a:67:32:af:23:53:15:1b:82:08:20
Fingerprint (sha256): 0b:6e:f6:32:4c:60:f2:80:22:4a:56:28:2f:ed:3c:41:d7:44:53:b1:e6:83:49:e4:68:43:f6:83:08:78:0b:0d
Issuing Certificate URL: http://e1.i.lencr.org/
Revocation information
OCSP Server: http://e1.o.lencr.orgCheck the revocation status for certificate communities.springernature.com
1
DNS Names
0
Email Addresses
0
IP Addresses
Advanced Certificate Properties
Tehnical certificate details for communities.springernature.com
Public Key Algorithm
ECDSA
Key Size
256
Signature Algorithm
ECDSA with SHA384
Key Usage
Digital Signature
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
communities.springernature.com
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dns-vetting1i.map.fastly.net
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dns-vetting1i.map.fastly.net
springer2.map.fastly.net
hub.springernature.com
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dns-vetting1i.map.fastly.net
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dns-vetting1i.map.fastly.net
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springer2.map.fastly.net
springer2.map.fastly.net
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support.khipu-networks.com
idtest.springernature.com
vanity4.jiveon.com
springer2.map.fastly.net
*.springer.com
authorservices.springernature.com
vpn-africa.springernature.com
adportal.springernature.com
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uim.springernature.com
protocolsmethods.springernature.com
liferay-dev.springernature.com
scim-1password.springernature.com
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bflux-stage-es-02.springernature.com
mee-uat.springernature.com
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communities.springernature.com
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springer2.map.fastly.net
images.passendo.com
*.chef.tools.cm.springernature.com
springer2.map.fastly.net
dev.springernature.com
springer2.map.fastly.net
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vpn-aus.springernature.com
grandchallenges.springernature.com
springer2.map.fastly.net
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vpn-gcp.springernature.com
authorservices.springernature.com
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authorservices.springernature.com
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dns-vetting1i.map.fastly.net
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protocolsmethods.springernature.com
vpn.springernature.com
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springer2.map.fastly.net
authorservices.springernature.com
springer2.map.fastly.net
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*.springer.com
springer2.map.fastly.net
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dns-vetting1i.map.fastly.net
springer2.map.fastly.net
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delivery.staging-cms.springernature.com
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dns-vetting1i.map.fastly.net
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dns-vetting1i.map.fastly.net
springer2.map.fastly.net
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Certificate
The complete raw certificate details for communities.springernature.com in PEM and ASN.1 format.
Certificate (PEM)
-----BEGIN CERTIFICATE----- MIIDnTCCAyOgAwIBAgISBGiVjCAEMMKV7tJOHHTm/qjIMAoGCCqGSM49BAMDMDIx CzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQswCQYDVQQDEwJF MTAeFw0yNDAxMjAwOTU5MThaFw0yNDA0MTkwOTU5MTdaMCkxJzAlBgNVBAMTHmNv bW11bml0aWVzLnNwcmluZ2VybmF0dXJlLmNvbTBZMBMGByqGSM49AgEGCCqGSM49 AwEHA0IABD99ACvzrznASk1hxwcWT/iP17cjorQztsouKSf8QIjMbnJVQ6jcp2+a W5GOcxK79y3GjZr9TrqC7EZe4ErBxcijggIgMIICHDAOBgNVHQ8BAf8EBAMCB4Aw HQYDVR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMAwGA1UdEwEB/wQCMAAwHQYD VR0OBBYEFOw9LyRSGkcpZz2qpitFpmv6gfmBMB8GA1UdIwQYMBaAFFrz7Sv8NsI3 eblSMOpUb89Vyy6sMFUGCCsGAQUFBwEBBEkwRzAhBggrBgEFBQcwAYYVaHR0cDov L2UxLm8ubGVuY3Iub3JnMCIGCCsGAQUFBzAChhZodHRwOi8vZTEuaS5sZW5jci5v cmcvMCkGA1UdEQQiMCCCHmNvbW11bml0aWVzLnNwcmluZ2VybmF0dXJlLmNvbTAT BgNVHSAEDDAKMAgGBmeBDAECATCCAQQGCisGAQQB1nkCBAIEgfUEgfIA8AB1AEiw 42vapkc0D+VqAvqdMOscUgHLVt0sgdm7v6s52IRzAAABjSaGZ3IAAAQDAEYwRAIg b47Fp5lGSQQScN25ESy0EL2xeCaxzONYi6Hqvqtqir8CIDrzCwfQqxHhNYIYYmyh BXcSu+ezWy+X1+27tkswcdThAHcAouK/1h7eLy8HoNZObTen3GVDsMa1LqLat4r4 mm31F9gAAAGNJoZnhwAABAMASDBGAiEAs717nIk3bcFBjzgGaUlG32oDaOAVpB1Q UgRB757MTWUCIQCD67RiEtmAohNmojc9p7x5OS7s6xBQUlwJ9YEFG3GIqzAKBggq hkjOPQQDAwNoADBlAjBh2izmEnD5bYSyPUc/lKZXcLQD8Yb5NqnaCOaJx98c/jUV okYy16qnYXxyH+Et3EoCMQCixMJKmsc/PaLH+ChBbEG41pBwkYvJM2A6clICOev/ kJi+fF6BO8lOMoWr47jxTqo= -----END CERTIFICATE-----
Public Key (PEM)
-----BEGIN PUBLIC KEY----- MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEP30AK/OvOcBKTWHHBxZP+I/XtyOi tDO2yi4pJ/xAiMxuclVDqNynb5pbkY5zErv3LcaNmv1OuoLsRl7gSsHFyA== -----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 384037292429119844614646244540751879776456 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384) . . . . . . . . [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 'E1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-01-20 09:59:18 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2024-04-19 09:59:17 +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 'communities.springernature.com' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.2.1 (ecPublicKey) . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.3.1.7 (prime256v1) . . . . . . . . . . . . [c:0|t:3|false] BIT STRING (520 bits) . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (63 bytes) 7d002bf3af39c04a4d61c707164ff88fd7b723a2b433b6ca2e2927fc4088cc6e725543a8dca76f9a5b918e7312bbf72dc68d9afd4eba82ec465ee04ac1c5c8 . . . . . . . . [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 (1 bits) 0780 . . . . . . . . . . . . . . . . [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) ec3d2f24521a4729673daaa62b45a66bfa81f981 . . . . . . . . . . . . . . . . [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 5af3ed2bfc36c23779b95230ea546fcf55cb2eac . . . . . . . . . . . . . . . . [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://e1.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://e1.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 (34 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'communities.springernature.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 (245 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (242 bytes) 00f000750048b0e36bdaa647340fe56a02fa9d30eb1c5201cb56dd2c81d9bbbfab39d884730000018d26866772000004030046304402206f8ec5a7994649041270ddb9112cb410bdb17826b1cce3588ba1eabeab6a8abf02203af30b07d0ab11e1358218626ca1057712bbe7b35b2f97d7edbbb64b3071d4e1007700a2e2bfd61ede2f2f07a0d64e6d37a7dc6543b0c6b52ea2dab78af89a6df517d80000018d268667870000040300483046022100b3bd7b9c89376dc1418f3806694946df6a0368e015a41d50520441ef9ecc4d6502210083ebb46212d980a21366a2373da7bc79392eeceb1050525c09f581051b7188ab . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.2.840.10045.4.3.3 (ecdsaWithSHA384) . . . . [c:0|t:3|false] BIT STRING (824 bits) . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:2|false] INTEGER 15060839321365267572567313485668525154413395333466254348597223114514363366814871784542037650245200021097683488726090 . . . . . . . . . . . . [c:0|t:2|false] INTEGER 25052378820472412140079557988926071932962108870536877895855324848681844880527518388242827594649046625290479085899434