DNS
THE CERTIFICATE BEHIND THE CONNECTION

TLS certificate checker.

Inspect SSL/TLS certificates for any public domain or subdomain.

Checks HTTPS on port 443, including subject alternative names, validity dates and the presented chain.

SSL certificate

TLSv1.3

mx5.persistelecom.com.br · 189.85.147.85:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. SSL operation failed with code 1. OpenSSL Error messages: error:0A000086:SSL routines::certificate verify failed

Certificate verification failed

Subject
emailAddress=ssl@cxs-02-web01l.persistelecom.com.br CN=cxs-02-web01l.persistelecom.com.br
Issuer
emailAddress=ssl@cxs-02-web01l.persistelecom.com.br CN=cxs-02-web01l.persistelecom.com.br
Valid from
2026-05-19T04:17:16+00:00
Expires
2027-05-19T04:17:16+00:00
Days remaining
218
Serial (hex)
A102542C
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:cxs-02-web01l.persistelecom.com.br

SHA-256 fingerprint

C7:64:15:70:01:0B:1A:06:41:0E:BB:94:53:22:5B:39:0C:00:DD:37:D9:9F:44:E6:9C:3D:20:67:29:4A:21:08
Certificate extensions & PEM
subjectKeyIdentifier
B6:B6:31:5F:F0:4E:DD:D9:F3:22:25:60:9E:43:30:DE:E1:50:B2:3B
basicConstraints
CA:FALSE
authorityKeyIdentifier
keyid:B6:B6:31:5F:F0:4E:DD:D9:F3:22:25:60:9E:43:30:DE:E1:50:B2:3B DirName:/emailAddress=ssl@cxs-02-web01l.persistelecom.com.br/CN=cxs-02-web01l.persistelecom.com.br serial:A1:02:54:2C
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
subjectAltName
DNS:cxs-02-web01l.persistelecom.com.br
-----BEGIN CERTIFICATE-----
MIIEWjCCA0KgAwIBAgIFAKECVCwwDQYJKoZIhvcNAQELBQAwZDE1MDMGCSqGSIb3
DQEJARYmc3NsQGN4cy0wMi13ZWIwMWwucGVyc2lzdGVsZWNvbS5jb20uYnIxKzAp
BgNVBAMMImN4cy0wMi13ZWIwMWwucGVyc2lzdGVsZWNvbS5jb20uYnIwHhcNMjYw
NTE5MDQxNzE2WhcNMjcwNTE5MDQxNzE2WjBkMTUwMwYJKoZIhvcNAQkBFiZzc2xA
Y3hzLTAyLXdlYjAxbC5wZXJzaXN0ZWxlY29tLmNvbS5icjErMCkGA1UEAwwiY3hz
LTAyLXdlYjAxbC5wZXJzaXN0ZWxlY29tLmNvbS5icjCCASIwDQYJKoZIhvcNAQEB
BQADggEPADCCAQoCggEBAKFdIrGjPS+tw/3ywi39gMYDk9eoLa1DeSiLQKUrv1pz
7ILHZUdqKYTKYTZjE0DKggUHKZiX6im6hknDtASszX3PwvBlaPBj2XUbhgD4YYxy
fqBeZiHyIZ1rUUQAgvuyLGL5q5fCidD5ZxAx3Q/LNHeMYkcveD2EyYEcFfGNjGmt
FkW3HTkZshSXRCE2Nd+VQqe22c0BXCpJY1Wp6py2nDzK/GmvSb98p9fzI7a+zcmE
2btGAEcubEz8Nrgggr/vVkIG+PYI4IMiXEtSRvPLThzGHEZJhUn4/QNV2AGBGyaI
dQwDDSD8WT//Qd64FiCS95C9dCso1ig3U8RABTNR1SkCAwEAAaOCAREwggENMB0G
A1UdDgQWBBS2tjFf8E7d2fMiJWCeQzDe4VCyOzAJBgNVHRMEAjAAMIGSBgNVHSME
gYowgYeAFLa2MV/wTt3Z8yIlYJ5DMN7hULI7oWikZjBkMTUwMwYJKoZIhvcNAQkB
FiZzc2xAY3hzLTAyLXdlYjAxbC5wZXJzaXN0ZWxlY29tLmNvbS5icjErMCkGA1UE
AwwiY3hzLTAyLXdlYjAxbC5wZXJzaXN0ZWxlY29tLmNvbS5icoIFAKECVCwwHQYD
VR0lBBYwFAYIKwYBBQUHAwEGCCsGAQUFBwMCMC0GA1UdEQQmMCSCImN4cy0wMi13
ZWIwMWwucGVyc2lzdGVsZWNvbS5jb20uYnIwDQYJKoZIhvcNAQELBQADggEBAIAX
mWn5CVX3muro8r9coC6lgcz6G8U/Fd19hMf2So76Ftb8PWJK00/Uhvmj8pvN2kRv
4eK6C+2OoPuYRxPt53RnvZejGFX2oj6f0Px3/1yti0qzyQmue9lkYh4l3sDNv5i7
/AWVqtQfeCoZ16LdjgXimfLMSxAFQz4KZgavPSycZoQDj4Ff7J0p4u1C31YH9Tl6
hTBV//TPAFfQvZ5ZTPyL8zmEMiwbrOuYbwXwMhiifGsDXne4KLH4StI6l2DS00xu
Xs3Uf1AmuCzsOH+R1rp1BoNhUeqkN09Zu9zw/CdWDYTlc7a/t+IxQMoiLxbfWpFI
9PY6fd0nGE+nowxYyQo=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-10-12T22:23:18+00:00

One endpoint on port 443. Server-presented chain; no revocation, OCSP, CT or full TLS security scan.

View certificate JSON

Registration / WHOIS →DNS records →