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

mail.hostmar.com · 200.58.109.47:443

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
The certificate has expired.

Certificate verification failed

Subject
C=-- ST=SantaFe L=Rosario O=Dattatec.com OU=IT CN=centos6.dattaweb.com emailAddress=root@centos6.dattaweb.com
Issuer
C=-- ST=SantaFe L=Rosario O=Dattatec.com OU=IT CN=centos6.dattaweb.com emailAddress=root@centos6.dattaweb.com
Valid from
2013-08-15T15:59:07+00:00
Expires
2023-08-13T15:59:07+00:00
Days remaining
-1140
Serial (hex)
9230D50824758306
Signature
RSA-SHA1
Public key
RSA 1024

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

DE:27:A5:6D:32:70:4B:6D:CA:2D:D2:BA:CE:8D:89:4D:AA:C4:A6:43:5D:AF:25:39:4B:97:27:23:9C:56:D6:E8
Certificate extensions & PEM
subjectKeyIdentifier
AE:8A:EA:69:44:95:81:DC:01:2D:45:80:B8:A1:9A:E0:CC:A0:C5:C7
authorityKeyIdentifier
AE:8A:EA:69:44:95:81:DC:01:2D:45:80:B8:A1:9A:E0:CC:A0:C5:C7
basicConstraints
CA:TRUE
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-25T16:14:23+00:00

Server-presented chain · 3 additional certificates

Chain certificate 1

Subject
C=US O=Thawte, Inc. OU=Domain Validated SSL CN=Thawte DV SSL CA
Issuer
C=US O=thawte, Inc. OU=Certification Services Division (c) 2006 thawte, Inc. - For authorized use only CN=thawte Primary Root CA
Valid from
2010-02-18T00:00:00+00:00
Expires
2020-02-17T23:59:59+00:00
Days remaining
-2412
Serial (hex)
7610128A17B682BB3A1F9D1A9A35C092
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

DirName:CN = VeriSignMPKI-2-11

SHA-256 fingerprint

D2:57:38:31:FA:53:76:B1:C7:DC:0D:BB:0E:F5:88:13:E9:07:06:18:FA:5A:21:E1:3F:5E:9F:2B:65:E0:A3:20
Certificate extensions & PEM
authorityInfoAccess
OCSP - URI:http://ocsp.thawte.com
basicConstraints
CA:TRUE, pathlen:0
crlDistributionPoints
Full Name: URI:http://crl.thawte.com/ThawtePCA.crl
keyUsage
Certificate Sign, CRL Sign
subjectAltName
DirName:CN = VeriSignMPKI-2-11
subjectKeyIdentifier
AB:44:E4:5D:EC:83:C7:D9:C0:85:9F:F7:E1:C6:97:90:B0:8C:3F:98
authorityKeyIdentifier
7B:5B:45:CF:AF:CE:CB:7A:FD:31:92:1A:6A:B6:F3:46:EB:57:48:50
-----BEGIN CERTIFICATE-----
MIIEjzCCA3egAwIBAgIQdhASihe2grs6H50amjXAkjANBgkqhkiG9w0BAQUFADCB
qTELMAkGA1UEBhMCVVMxFTATBgNVBAoTDHRoYXd0ZSwgSW5jLjEoMCYGA1UECxMf
Q2VydGlmaWNhdGlvbiBTZXJ2aWNlcyBEaXZpc2lvbjE4MDYGA1UECxMvKGMpIDIw
MDYgdGhhd3RlLCBJbmMuIC0gRm9yIGF1dGhvcml6ZWQgdXNlIG9ubHkxHzAdBgNV
BAMTFnRoYXd0ZSBQcmltYXJ5IFJvb3QgQ0EwHhcNMTAwMjE4MDAwMDAwWhcNMjAw
MjE3MjM1OTU5WjBeMQswCQYDVQQGEwJVUzEVMBMGA1UEChMMVGhhd3RlLCBJbmMu
MR0wGwYDVQQLExREb21haW4gVmFsaWRhdGVkIFNTTDEZMBcGA1UEAxMQVGhhd3Rl
IERWIFNTTCBDQTCCASIwDQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAMuYyTY/
0pzYFgfUSWP5g7DoAi3MXFp0l6YT7xMT3gV8p+bKACPaOfnvE89Sxa+a48q+84LZ
iz2q4cyuiFBmoy3sYRR1SasOJPGsRFsLKKIzIHYeBmBqZwVxi7pmYhZ6s20Nx9CU
QMaMPR6SDGI0DUSJ1feJ/intGI/2mysI92qr2EiXWvSf7Qx1UiL31V6EAJ/ASg0x
d0xk0BLmDzrwocDVXB3nXy3C99Y2GNmVbkROyVgUTbaOu83eYh76W7W9GCuYrKyT
P1Ba9RQLos+2855PWs1awzYj2hqvsE3WSiIDj0MCGb3qrN3EejUyFPFyLghVQAz0
B0FBrzg3hClCslUCAwEAAaOB/DCB+TAyBggrBgEFBQcBAQQmMCQwIgYIKwYBBQUH
MAGGFmh0dHA6Ly9vY3NwLnRoYXd0ZS5jb20wEgYDVR0TAQH/BAgwBgEB/wIBADA0
BgNVHR8ELTArMCmgJ6AlhiNodHRwOi8vY3JsLnRoYXd0ZS5jb20vVGhhd3RlUENB
LmNybDAOBgNVHQ8BAf8EBAMCAQYwKQYDVR0RBCIwIKQeMBwxGjAYBgNVBAMTEVZl
cmlTaWduTVBLSS0yLTExMB0GA1UdDgQWBBSrRORd7IPH2cCFn/fhxpeQsIw/mDAf
BgNVHSMEGDAWgBR7W0XPr87Lev0xkhpqtvNG61dIUDANBgkqhkiG9w0BAQUFAAOC
AQEABLr7rLv8S1QRoy2Iszy9AG2KGraNxMGD+MdTKsEybjqBoVR92ho/OkVPNudC
sApChZegrPvlh6eDT+ixt5tYZW4mgAuSTUdVuWEWUWXpK/Fo2Vi4A4HRt2Yc07zF
pntfPsU4RnbndbSgDEvOosKpwcw2c3v7uSQkoF6n9vq7DChDnh3wTvA/2CSwIdxt
Le6/Wjv6iJx0bK8h3ZLswxXvlHUmRtamP79mSKod790n5rdRiTh9E4QMQPzQtfHg
2/lPL0ActI5HImG4TJbe8F8Rfk8R2exQRyIOxR3iZEnnaGNFOorZcfRe8W63FE0+
bxQe3FL+vN8MvSk/dvsRX2hoFQ==
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=thawte, Inc. OU=Certification Services Division (c) 2006 thawte, Inc. - For authorized use only CN=thawte Primary Root CA
Issuer
C=ZA ST=Western Cape L=Cape Town O=Thawte Consulting cc OU=Certification Services Division CN=Thawte Premium Server CA emailAddress=premium-server@thawte.com
Valid from
2006-11-17T00:00:00+00:00
Expires
2020-12-30T23:59:59+00:00
Days remaining
-2095
Serial (hex)
3365500879AD73E230B9E01D0D7FAC91
Signature
RSA-SHA1
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

C9:91:57:DF:28:D2:8E:BD:87:B8:B0:41:AA:CC:F0:23:CF:1C:9A:D0:D2:1F:D7:11:61:49:D7:F9:64:84:FA:51
Certificate extensions & PEM
basicConstraints
CA:TRUE
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.thawte.com/cps
keyUsage
Certificate Sign, CRL Sign
subjectKeyIdentifier
7B:5B:45:CF:AF:CE:CB:7A:FD:31:92:1A:6A:B6:F3:46:EB:57:48:50
crlDistributionPoints
Full Name: URI:http://crl.thawte.com/ThawtePremiumServerCA.crl 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 3

Subject
C=US O=GeoTrust Inc. CN=RapidSSL SHA256 CA
Issuer
C=US O=GeoTrust Inc. CN=GeoTrust Global CA
Valid from
2013-12-11T23:45:51+00:00
Expires
2022-05-20T23:45:51+00:00
Days remaining
-1589
Serial (hex)
023A71
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DirName:CN = SymantecPKI-1-569

SHA-256 fingerprint

E6:68:3E:88:31:5C:D1:CB:40:3C:0C:EA:49:0F:7C:4B:4C:82:C9:1C:D4:85:03:74:89:AA:DB:AA:90:83:9F:61
Certificate extensions & PEM
authorityKeyIdentifier
C0:7A:98:68:8D:89:FB:AB:05:64:0C:11:7D:AA:7D:65:B8:CA:CC:4E
subjectKeyIdentifier
97:C2:27:50:9E:C2:C9:EC:0C:88:32:C8:7C:AD:E2:A6:01:4F:DA:6F
basicConstraints
CA:TRUE, pathlen:0
keyUsage
Certificate Sign, CRL Sign
crlDistributionPoints
Full Name: URI:http://g1.symcb.com/crls/gtglobal.crl
authorityInfoAccess
OCSP - URI:http://g2.symcb.com
certificatePolicies
Policy: 2.16.840.1.113733.1.7.54 CPS: http://www.geotrust.com/resources/cps
subjectAltName
DirName:CN = SymantecPKI-1-569
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

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

View certificate JSON

Registration / WHOIS →DNS records →