srisoluciones.es

Issued by Sectigo RSA Domain Validation Secure Server CA

About this certificate

This digital certificate with serial number 90:37:97:d2:cc:ba:b8:db:a3:69:11:86:b6:7b:fa:36 was issued on by Sectigo Limited.

With 2 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)

Certificate Subject

CN=srisoluciones.es

Sectigo Limited

Organization: Sectigo Limited
State / Province: Greater Manchester
Locality: Salford
Country: GB

This certificate has expire since

Certificate Details

Serial Number (hex): 90:37:97:d2:cc:ba:b8:db:a3:69:11:86:b6:7b:fa:36
Serial Number (int): 191697487065372255788509781832134031926
Serial Number lenght: 128 bits, 16 octets

SubjectKeyId: 67:f2:f0:69:96:59:de:22:27:54:75:47:dc:b6:63:1d:9b:d0:49:c1
AuthorityKeyId: 8d:8c:5e:c4:54:ad:8a:e1:77:e9:9b:f9:9b:05:e1:b8:01:8d:61:e1

Fingerprint (sha1): 27:e6:36:a0:14:e0:88:73:5c:9f:d9:53:bb:57:1f:b7:a9:d5:11:80
Fingerprint (sha256): 42:cd:a3:b9:47:09:b7:d3:97:f6:3c:76:04:b2:d3:69:36:ce:f9:e8:df:da:57:01:a1:cd:e9:01:5d:94:a5:5a

Issuing Certificate URL: http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt

Revocation information

OCSP Server: http://ocsp.sectigo.com

Check the revocation status for certificate srisoluciones.es

2

DNS Names

0

Email Addresses

0

IP Addresses

Advanced Certificate Properties

Tehnical certificate details for srisoluciones.es

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

srisoluciones.es
www.srisoluciones.es

Other certificates including the domain name srisoluciones.es

(limited to 100 certificates)
www.srisoluciones.es
srisoluciones.es
www.srisoluciones.es
www.srisoluciones.es
www.srisoluciones.es
srisoluciones.es
www.srisoluciones.es
srisoluciones.es
srisoluciones.es
srisoluciones.es
www.srisoluciones.es
srisoluciones.es
srisoluciones.es
www.srisoluciones.es
www.srisoluciones.es
www.srisoluciones.es
srisoluciones.es
srisoluciones.es
srisoluciones.es
srisoluciones.es
www.srisoluciones.es
www.srisoluciones.es

Certificate

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

Certificate (PEM)

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

Public Key (PEM)

-----BEGIN PUBLIC KEY-----
MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEA69u5/Q2e6YhW+OxvLeOX
TuMxchM6G0+BnTkMMgLHtbr0jIkT6m1iZEcazMOTgeX1fQrz1WaEdYIWJyI8IWop
FA+CAOGEVFum2YWSXQf+ikNVnTPD0fA+GTJ2y5yCqP0WwEJtn+xMhZAJ5uhoaZgo
9dR1uvQLppM7piqiM39QjrFN6hUmx6M3uixhmrxYaV1t7Z/atmDPkoSsGMhEZoHg
i6DnzWJ3OX8sUzo/R1YgaYHWlVKq9F5gw3bXg5Kw6IcwCo4JpsDqCfDO6t8lPZsP
Ka8InbcCP3Y37MdJWuuP5YR08MNtmo1la83X3istIUezWkRsvQpDMtcNeSiywfST
IwIDAQAB
-----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 191697487065372255788509781832134031926
 . . . . . . . . [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 'GB'
 . . . . . . . . . . . . [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 'Greater Manchester'
 . . . . . . . . . . . . [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:19|false] PrintableString 'Salford'
 . . . . . . . . . . . . [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 'Sectigo Limited'
 . . . . . . . . . . . . [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 'Sectigo RSA Domain Validation Secure Server CA'
 . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-01-03 00:00:00 +0000 UTC
 . . . . . . . . . . . . [c:0|t:23|false] UTCTime 2020-04-02 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 2.5.4.3 (commonName)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:19|false] PrintableString 'srisoluciones.es'
 . . . . . . . . [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 29774352851124462060570370019352934347490156038069237798699749949431983257318923739618130354900973957077335473931235658002035316743787717927763249018441258302841555767212860805993365144804007851184399021731194338824990667448895046301025623089849095338130095703436771886662132772483446728287174251670054202563994185692303384655996525521833724883753216109757760108433983865793761329625951092624582291690079531327125058918371334978162946783795057945181268356740968514132786434399299860215948487320729833136199527630520784237194398056801007047368324528801491669063409874280425420176830458256195020733899996886812455113507
 . . . . . . . . . . . . . . . . . . . . [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 2.5.29.35 (authorityKeyIdentifier)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (24 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:0|false] OtherName 8d8c5ec454ad8ae177e99bf99b05e1b8018d61e1
 . . . . . . . . . . . . . . . . [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)
							67f2f0699659de2227547547dcb6631d9bd049c1
 . . . . . . . . . . . . . . . . [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 2.5.29.19 (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 2.5.29.37 (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 2.5.29.32 (certificatePolicies)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (66 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.4.1.6449.1.2.2.7
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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://sectigo.com/CPS'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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 1.3.6.1.5.5.7.1.1 (authorityInfoAccess)
 . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (120 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:6|false] OBJECT IDENTIFIER 1.3.6.1.5.5.7.48.2 (caIssuers)
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:6|false] IA5String 'http://crt.sectigo.com/SectigoRSADomainValidationSecureServerCA.crt'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [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.sectigo.com'
 . . . . . . . . . . . . . . . . [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 (42 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:16|true] SEQUENCE, SEQUENCE OF 
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'srisoluciones.es'
 . . . . . . . . . . . . . . . . . . . . . . . . . . . . [c:2|t:2|false] IA5String 'www.srisoluciones.es'
 . . . . . . . . . . . . . . . . [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 (247 bytes)
 . . . . . . . . . . . . . . . . . . . . . . . . [c:0|t:4|false] OCTET STRING (244 bytes)
							00f200770007b75c1be57d68fff1b0c61d2315c7bae6577c5794b76aeebc613a1a69d3a21c0000016f6cc0cace00000403004830460221008eb1e507156f31e6801f9d7656772b69660c874d728d247ee7e5ee5c794bb508022100ec5643a965eae9c78b9756f5ed4060623268823f1fb3675312c39b957849c1e20077005ea773f9df56c0e7b536487dd049e0327a919a0c84a1121284187596817145580000016f6cc0cabb0000040300483046022100fd5c892defaba3c67ed940266a0460ded3185299d3198f494b04f5aa67421a350221008b6f7183472c8ff4d0ac12a015a0b30a8c76bf727abdc9dffa3618deb06248e4
 . . . . [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)
		006b92584e35a9bb7358828d6aa6eb530fc1e4b5d2f87b6054f69e0c4f86a3350e472548cff2b09ee37663e0a87ba6637512d92a751b7d0eff2c7163c8f43c4e4c4df0b7fb1aec927e038728cd5ce607d006ed36ad07d0e8206ddc1d9e3665890cb2a6157ef6d9c6a87d442cd65486aa5ee5eb96aeba7eb99083106ed803ab72c15d5ff6a76100a1bcdfef9a4b8ab0afa6e1e991354a1868a57f435d8ea91e0ffa3806c4597752644e3d382c2d968110455505bf7545bb43d6437577dfbc6b4cf47b0a8f972a0b2be4440ade2b62c3f055b0c11d2ac24c9ac609e631ad87589c702630e5467aec2a60814bbcef8e481bac1b9231bb00805800fb6829293731481d