overflow.no

Issued by Let's Encrypt Authority X1

About this certificate


This digital certificate with serial number 01:20:6b:f4:68:7c:dd:7d:6c:f9:f8:6f:bf:f0:d5:16:b4:61 was issued on by Let's Encrypt .

With 3 subject alternative names this certificate can be used to secure multiple fqdn's. While the 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.

overflow.no

Let's Encrypt

Organization: Let's Encrypt

Time since certificate expired

This certificate has expire since

Certificate Details

Serial Number (hex): 01:20:6b:f4:68:7c:dd:7d:6c:f9:f8:6f:bf:f0:d5:16:b4:61
Serial Number (int): 98144818108476184722861147940212440478817
Serial Number lenght: 137 bits, 18 octets

SubjectKeyId: 0e:a2:db:e7:a2:0a:5f:86:39:bf:1b:e4:fa:0f:22:bd:22:90:f8:1a
AuthorityKeyId: a8:4a:6a:63:04:7d:dd:ba:e6:d1:39:b7:a6:45:65:ef:f3:a8:ec:a1

Fingerprint (sha1): 0c:0b:1b:87:13:be:7b:9e:18:f3:c0:c5:c9:53:27:c4:de:34:35:4f
Fingerprint (sha256): 10:8a:fe:fd:57:89:50:87:20:35:3c:62:b2:e0:48:1f:b1:5c:57:07:28:d7:ff:69:4e:a4:f8:47:e6:0c:70:f8

Issuing Certificate URL: http://cert.int-x1.letsencrypt.org/

Revocation information

OCSP Server: http://ocsp.int-x1.letsencrypt.org/

Check the revocation status for the current certificate on overflow.no
3
DNS Names
0
Email Addresses
0
IP Addresses

Advanced Certificate Properties

Technical details about this certificate


Public Key Algorithm

RSA

Key Size

4096

Signature Algorithm

SHA256 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

overflow.no
buffer.overflow.no
api.overflow.no

Certificate

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

Certificate (PEM)

-----BEGIN CERTIFICATE----- MIIGHzCCBQegAwIBAgISASBr9Gh83X1s+fhvv/DVFrRhMA0GCSqGSIb3DQEBCwUA MEoxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MSMwIQYDVQQD ExpMZXQncyBFbmNyeXB0IEF1dGhvcml0eSBYMTAeFw0xNTEyMDUwNDIzMDBaFw0x NjAzMDQwNDIzMDBaMBYxFDASBgNVBAMTC292ZXJmbG93Lm5vMIICIjANBgkqhkiG 9w0BAQEFAAOCAg8AMIICCgKCAgEAzuYJGcOowmBN7659ubYM3vYXFF41Up6dJqXb Yuy3IkHPDOTNfm0jLWAzosClJ2R3lTHnbzqhRin7b5MpqaRL0HEEPzuVKImDxB8e QsJ3EFgqxorqQrck34UgpX5Hxx0d9P23vh1W23/9pHsDpzdOHW0ZQ4j7fcag5UPy 7pmN1suF+JpEE3iGaDzLIR4zQxfkzhpuPR0aaBeTKGqI3psIuMBEYCHyIuLxArQW KnlowO4nMpB8LpvSSZwPad5WOTU+OlMsQymWDkvHGcHu6PHwvxNP6S44Q4jHDCUf 1AHAjnl2QInu8zHjtWUK+22oa6+DspZ1DwbvDNS5CPkq7yhia5SAt73W0wvLLwkC aNwddCj0UsELWvT0YxPUeQ2pWu7qFC/SSnNMTz/HxqFS4Roz1nP+huKIRtcnFDzM zLsIoMmYpO6SEur2M4ivIPtryYC5/wUnzlYh0s/nS2pPcOBr8egLs1ej8pUOjfuz shV5oRHHr6IZ/+LzE94974f910Zy4Ol6BXOZ8PifZ6hpCu8FMKTPM7T850qLKfzT qKOgq144NI8mFDwF+iwX0jPatf7DwknRWA5WRP0ihe0A7TXv9atidcZNaNVwAdyR WyTbrrlojD+dRGMJ4mfdYu4p05cv30DXmvvlJyVYVSFOxqre2gdIgRSLG8B6lzxp Bc1811kCAwEAAaOCAjEwggItMA4GA1UdDwEB/wQEAwIFoDAdBgNVHSUEFjAUBggr BgEFBQcDAQYIKwYBBQUHAwIwDAYDVR0TAQH/BAIwADAdBgNVHQ4EFgQUDqLb56IK X4Y5vxvk+g8ivSKQ+BowHwYDVR0jBBgwFoAUqEpqYwR93brm0Tm3pkVl7/Oo7KEw cAYIKwYBBQUHAQEEZDBiMC8GCCsGAQUFBzABhiNodHRwOi8vb2NzcC5pbnQteDEu bGV0c2VuY3J5cHQub3JnLzAvBggrBgEFBQcwAoYjaHR0cDovL2NlcnQuaW50LXgx LmxldHNlbmNyeXB0Lm9yZy8wOwYDVR0RBDQwMoILb3ZlcmZsb3cubm+CEmJ1ZmZl ci5vdmVyZmxvdy5ub4IPYXBpLm92ZXJmbG93Lm5vMIH+BgNVHSAEgfYwgfMwCAYG Z4EMAQIBMIHmBgsrBgEEAYLfEwEBATCB1jAmBggrBgEFBQcCARYaaHR0cDovL2Nw cy5sZXRzZW5jcnlwdC5vcmcwgasGCCsGAQUFBwICMIGeDIGbVGhpcyBDZXJ0aWZp Y2F0ZSBtYXkgb25seSBiZSByZWxpZWQgdXBvbiBieSBSZWx5aW5nIFBhcnRpZXMg YW5kIG9ubHkgaW4gYWNjb3JkYW5jZSB3aXRoIHRoZSBDZXJ0aWZpY2F0ZSBQb2xp Y3kgZm91bmQgYXQgaHR0cHM6Ly9sZXRzZW5jcnlwdC5vcmcvcmVwb3NpdG9yeS8w DQYJKoZIhvcNAQELBQADggEBAFeyKS2HkGvmkoc4EaftRunhYzVZhis7PGpJ7Y55 PGP4dyb5c5YqMqb1P/eCA+I0yQdLkaUM+jaXkUZt7QS+kVwRdZ1meKW6FWrYlp1D zARPDl+0+5jgdtcJfYo45Mb5hb62SEdZ3yMePUydZRR9qmyiuEpuNA9HnDWR97Cx vw5HhZG/QdUdjijrZJy+oHlwFlho/SVW7zmXQ4FULy48QZ7h8FRZLwtdOIMizaAT mb3CzjSmcbnU3cHWh4ZiJxxR5K8XJvLVJX9ZyvkQQEm5nJdtgh3rtutxx3ATPPSZ f/3XHzhs+KKHjgdzlBmhGlmMs0IprrnHq6NVBuJ3dQSex8I= -----END CERTIFICATE-----

Public Key (PEM)

-----BEGIN PUBLIC KEY----- MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAzuYJGcOowmBN7659ubYM 3vYXFF41Up6dJqXbYuy3IkHPDOTNfm0jLWAzosClJ2R3lTHnbzqhRin7b5MpqaRL 0HEEPzuVKImDxB8eQsJ3EFgqxorqQrck34UgpX5Hxx0d9P23vh1W23/9pHsDpzdO HW0ZQ4j7fcag5UPy7pmN1suF+JpEE3iGaDzLIR4zQxfkzhpuPR0aaBeTKGqI3psI uMBEYCHyIuLxArQWKnlowO4nMpB8LpvSSZwPad5WOTU+OlMsQymWDkvHGcHu6PHw vxNP6S44Q4jHDCUf1AHAjnl2QInu8zHjtWUK+22oa6+DspZ1DwbvDNS5CPkq7yhi a5SAt73W0wvLLwkCaNwddCj0UsELWvT0YxPUeQ2pWu7qFC/SSnNMTz/HxqFS4Roz 1nP+huKIRtcnFDzMzLsIoMmYpO6SEur2M4ivIPtryYC5/wUnzlYh0s/nS2pPcOBr 8egLs1ej8pUOjfuzshV5oRHHr6IZ/+LzE94974f910Zy4Ol6BXOZ8PifZ6hpCu8F MKTPM7T850qLKfzTqKOgq144NI8mFDwF+iwX0jPatf7DwknRWA5WRP0ihe0A7TXv 9atidcZNaNVwAdyRWyTbrrlojD+dRGMJ4mfdYu4p05cv30DXmvvlJyVYVSFOxqre 2gdIgRSLG8B6lzxpBc1811kCAwEAAQ== -----END PUBLIC KEY-----

ASN1 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 98144818108476184722861147940212440478817 . . . . . . . . [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 'Let's Encrypt Authority X1' . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2015-12-05 04:23:00 +0000 UTC . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2016-03-04 04:23:00 +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 'overflow.no' . . . . . . . . [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 (4208 bits) . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . [c:0|t:2|false] INTEGER 844072549748356000648088390949523368918545283405125781530696831038052056243750448081129997248156247929373400270306088644839610893000293497578477146154162846648013092581319955416370268916838770220209596662292045496448802556791012515601560643812168989573076251118227590530788310084171413694643012107439889007247362104807573173542854189804558385122049641587967499640235168128703880635697988057859992493168110331028649072950151234025718720929338264393470124125287316686669420483939556934328709822006329363321838168006621672981214900612760320483270881494429421872137188314095645744436444735842306017071596237313698401421291666913505080748947222640708642261733068462627438946001946399242880578541485305988597514987039341889747644213860281206924587099563088236887322714813629532606116838116330658662899854552905489271581358443478908698248620490473998914072336924383621395725675419867695039038411765574713314466357398512001391871205511413091028509422320938373658467588303062623711540902919607321399463248112904184399522871774380226200955007597079593946863248210046584164515639382176496048265530521057964539908576780260117295518307202000969866704393050246523830433967769424589344002841332359634469891182588314799338326112775512923744465901401 . . . . . . . . . . . . . . . . . . . . [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) 0ea2dbe7a20a5f8639bf1be4fa0f22bd2290f81a . . . . . . . . . . . . . . . . [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 a84a6a63047dddbae6d139b7a64565eff3a8eca1 . . . . . . . . . . . . . . . . [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 (100 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.int-x1.letsencrypt.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://cert.int-x1.letsencrypt.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 (52 bytes) . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'overflow.no' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'buffer.overflow.no' . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'api.overflow.no' . . . . . . . . . . . . . . . . [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 (246 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 1.3.6.1.4.1.44947.1.1.1 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://cps.letsencrypt.org' . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.2.2 (unotice) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:12|false] UTF8String 'This Certificate may only be relied upon by Relying Parties and only in accordance with the Certificate Policy found at https://letsencrypt.org/repository/' . . . . [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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