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

mx.azintex.com · 85.132.31.82:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate CN=`ispconfig.azintex.com' did not match expected CN=`mx.azintex.com'

Certificate verification failed

Subject
CN=ispconfig.azintex.com
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-15T22:09:51+00:00
Expires
2026-12-14T22:09:50+00:00
Days remaining
78
Serial (hex)
05FFF76A88833D956162A632E7A6320C82CC
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:ispconfig.azintex.com

SHA-256 fingerprint

AD:D6:66:81:BB:C3:AD:B6:4E:D5:36:3B:AB:6E:9D:B5:A2:A1:DE:9B:BF:FE:9C:43:14:74:D4:EC:91:32:FE:D2
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
AD:5C:4A:CE:06:7E:75:06:0E:38:36:4B:0F:1D:47:FA:F1:2E:B5:9E
authorityKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityInfoAccess
CA Issuers - URI:http://yr1.i.lencr.org/
subjectAltName
DNS:ispconfig.azintex.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/77.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Sep 15 23:08:21.282 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:14:25:8B:F1:7C:1A:A5:C5:C1:D9:48:94: 0A:5A:72:97:B7:9A:D6:37:A8:A7:F4:D5:EA:F7:4F:1B: FB:D0:F6:22:02:21:00:82:8C:87:8D:B6:DF:0A:F4:4D: F9:11:1C:73:19:7D:B5:D9:7A:C3:31:A5:52:9E:46:F5: 81:72:B7:5B:4C:23:7C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Sep 15 23:08:21.461 2026 GMT Extensions: 00:00:05:00:2F:58:EF:66 Signature : ecdsa-with-SHA256 30:45:02:20:6D:A8:A1:E1:8F:35:A4:B6:DC:F7:95:78: 18:ED:DA:27:97:44:67:E9:3E:0E:1C:EB:B9:18:13:53: 22:C4:BE:D7:02:21:00:F8:6C:1E:B6:AE:EF:54:73:1A: 79:00:C6:F4:D5:4D:BD:F8:5A:35:16:EC:DD:82:C7:1D: 68:4C:12:67:9C:F3:D9
-----BEGIN CERTIFICATE-----
MIIGBDCCBOygAwIBAgISBf/3aoiDPZVhYqYy56YyDILMMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjEwHhcNMjYwOTE1MjIwOTUxWhcNMjYxMjE0MjIwOTUwWjAgMR4wHAYDVQQD
ExVpc3Bjb25maWcuYXppbnRleC5jb20wggIiMA0GCSqGSIb3DQEBAQUAA4ICDwAw
ggIKAoICAQDeNa+lWVbd8hJsqyqW3SRVzH1AxR3NvYBwhzF3sB/ZOvaZfNNeJrvy
+g+I2KZiBURrxlbEw1waGYe9woS15gQLkoFi9yxZdE+2LmNYd+lXYVhr7JRfrtfz
fRxfjV68EYOFhET7wBypaJhNBPwKPOP3jNKM1HFBqXTrvOKS5Sgwc3k+WHdHn8Ok
ROX32lFLJyakwAzJtzANNxUP2qQDYouS3O9diROLUAn1nHBRmbiZNGRZS5itGLTa
UYmz8zhXGgG6Xdv1o4/J7xYI5zPu8f/dzMXk6uP84mKxzmF5ORmY1yc/Am5puUZN
RtJ2R9PodaxFur38fmVymp6eg3X5YSfi1CPoN1G9k6lurtTkgIK7M+LQ7T72Qj9M
N+bapJtzDyzTAlGNuZI+gqS9DpDfwAHjXfA+eByNScaKhR+1GLElq/4R+QZSetGT
FrzPjuzjl23oOIZjhbagQHE3Gh2bLfCxcRrhPOpM3wLIXpZLC3Hr0+FEYEvs4zuT
27PmjuF/3glHLFeFzW1b1aRdQaHFWEgAEWSWlwG2ROzqL/k4KemK5+3xF5BPyWzy
+nyA+3whRyMnUNKrLvMP6OokVTzNg84Yf2mLPUXM+qAeUFUG8/w+YwnAzva+wcTg
SFQSjPXsy46hRdTh8DrckR+Uk6AnV4SiWgjME3kpogbdoLDYISRq7wIDAQABo4IC
IzCCAh8wDgYDVR0PAQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAwGA1Ud
EwEB/wQCMAAwHQYDVR0OBBYEFK1cSs4GfnUGDjg2Sw8dR/rxLrWeMB8GA1UdIwQY
MBaAFB8vNb5GFILNQLGueSxVePr31Gj7MDMGCCsGAQUFBwEBBCcwJTAjBggrBgEF
BQcwAoYXaHR0cDovL3lyMS5pLmxlbmNyLm9yZy8wIAYDVR0RBBkwF4IVaXNwY29u
ZmlnLmF6aW50ZXguY29tMBMGA1UdIAQMMAowCAYGZ4EMAQIBMC4GA1UdHwQnMCUw
I6AhoB+GHWh0dHA6Ly95cjEuYy5sZW5jci5vcmcvNzcuY3JsMIIBDAYKKwYBBAHW
eQIEAgSB/QSB+gD4AHYAlE5Dh/rswe+B8xkkJqgYZQHH0184AgE/cmd9VTcuGdgA
AAGgp1QXogAABAMARzBFAiAUJYvxfBqlxcHZSJQKWnKXt5rWN6in9NXq908b+9D2
IgIhAIKMh4223wr0TfkRHHMZfbXZesMxpVKeRvWBcrdbTCN8AH4ARq+GPTs+5Z+l
d96oJF02sNntIqIj9GF3QSKUUu6VUF8AAAGgp1QYVQAIAAAFAC9Y72YEAwBHMEUC
IG2ooeGPNaS23PeVeBjt2ieXRGfpPg4c67kYE1MixL7XAiEA+Gwetq7vVHMaeQDG
9NVNvfhaNRbs3YLHHWhMEmec89kwDQYJKoZIhvcNAQELBQADggEBAHith8h35TIX
ayxTyGHjCeszd4KiNNR9J0pKotdMQb9i5gn2DczWc1/VzCWRI5tTNpANB/hc9wNS
MbCKfvHF3HLrQVfB4ep8Tici58xAhjpQYNS03HJ2o1F6tAzakfvBXwdzpIWLpjI1
y8N9P6ZeE6z4e8+Fz7U/3kgI3MaU+GtMpgHpWFNZKjKeQK7un0Ifll88QsXJhYja
/CgL39/2mxvFWNZqzmSSCMG+zJIwamtZKHAsI1oeegkokk95g1K0TsEaUDftskSY
MVSNrAlPy/mb+ObwROxoPBiliLAVVSaRFab4/MQtLbFN2lkS3vocL646YpxYceqz
gdM5w2lsNcg=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-27T07:21:28+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR1
Issuer
C=US O=ISRG CN=Root YR
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
706
Serial (hex)
A20253F15F2691C05DC1CE13B9BCCA4E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

13:94:96:34:D9:9C:D6:FD:6A:A8:0B:C0:34:FE:FA:CC:EB:19:69:FE:EF:98:65:86:71:3E:CD:BB:05:75:8D:3F
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
1F:2F:35:BE:46:14:82:CD:40:B1:AE:79:2C:55:78:FA:F7:D4:68:FB
authorityKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityInfoAccess
CA Issuers - URI:http://yr.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr.c.lencr.org/ 
-----BEGIN CERTIFICATE-----
MIIE2zCCAsOgAwIBAgIRAKICU/FfJpHAXcHOE7m8yk4wDQYJKoZIhvcNAQELBQAw
LjELMAkGA1UEBhMCVVMxDTALBgNVBAoTBElTUkcxEDAOBgNVBAMTB1Jvb3QgWVIw
HhcNMjUwOTAzMDAwMDAwWhcNMjgwOTAyMjM1OTU5WjAzMQswCQYDVQQGEwJVUzEW
MBQGA1UEChMNTGV0J3MgRW5jcnlwdDEMMAoGA1UEAxMDWVIxMIIBIjANBgkqhkiG
9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoVi8X2xCYgMXvJxNPKp/oF13UMgmPABB07VC
LNDtoXmt9luEZNJSBV10VyT1Pz6LD8Zq1d2gc43WNl1AdRrj4sEnazbOiz0nPpmG
Bp2hui49oZtDIY6wdKeZAi5BbNU20CH6RSBBMLSQ9cXrH8dxdv4PAJ45ssGML68U
SE3BsjC2a6cAN9L5CgXVIQi5tfNiTPoFZZ3S0OlXqLmmtdV95udWAb5b6e/F49Di
CsH0Y00Ag72BVIb1hzynmKe+X0mERBTtsb3BwmpV9ipeBjMLoR/D9cHxHQCWoi5l
TmXwY015J5rGelz1nZjJuxc2kioaX29XJBnhMkP531rSdG5uMwIDAQABo4HuMIHr
MA4GA1UdDwEB/wQEAwIBhjATBgNVHSUEDDAKBggrBgEFBQcDATASBgNVHRMBAf8E
CDAGAQH/AgEAMB0GA1UdDgQWBBQfLzW+RhSCzUCxrnksVXj699Ro+zAfBgNVHSME
GDAWgBTe51tg0CJtQCh9Pw0B/qS1UrRRlDAyBggrBgEFBQcBAQQmMCQwIgYIKwYB
BQUHMAKGFmh0dHA6Ly95ci5pLmxlbmNyLm9yZy8wEwYDVR0gBAwwCjAIBgZngQwB
AgEwJwYDVR0fBCAwHjAcoBqgGIYWaHR0cDovL3lyLmMubGVuY3Iub3JnLzANBgkq
hkiG9w0BAQsFAAOCAgEA0+zvMq3kHig1ddTmmm+RibTr9/RpX7k4buanMMRqbV/y
IvP82zAHN3mvaw+cASuVsdpd0ikjhr4hnhJQLQOzOp2ccKrsdGOAgo0vddeISFAq
EWEV4lmUM3vFF796up+bSgmJ1u6RupDCMxDgF8M3eLvGuj6L0lu3zkQ0KuQLnKxL
tB0oQqn1Idg5CuuGpMvQzk29Pa3D/qHurc0EIM9SxukQuJqq63lxsYyRQFU8yMBO
hq1w5LbfaWNRrz1uklOfI/pYkAb2E2MTZrAMQkBIE2S8Jt1F8gRc96o/xOsrgvSk
a84AisX6xq1lz1Z7jGvrnXc4TMcjxZTjiTaihcYI1JIXZiLtEMSCa5l3cu8YWd6z
dLRQlqRdclVjuQfNHawRJ6GWlkK0QJosivTKwdBw3KxEtzGo8yMHERbsy57gP1UX
HOMcmZYQC0gtyR3SxfenIM/MxC3Ia2Ypab/kQ/CTnlIn2KQ5JUC6NYrGCbhFN9bp
5lKJStEwCUnLpntcrXk5XVDCNv/5RyWpRThkGOV7GetKkQ0qAY8hCzWK6oqnAhDZ
cjlYVdWfqOw3DIOX6EDNBgAqHarRVxyF9QZdOaXSyPJ0ueD2BYJEBgaCGQ8rAaU/
Qc123V5LTXDZW4CcsPBDyhy4v+c8hClAyw/IkJlfBqxB9D+/wvIMHgECZ4ptP6o=
-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YR
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X1
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2167
Serial (hex)
F24B6D17F9D9AD7CB1C9FEA78782699F
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

07:26:39:D0:B1:40:D5:BF:FA:E1:6A:D9:C3:F6:CC:60:86:04:06:21:F5:1E:E6:1A:6D:46:A8:91:5C:07:CF:76
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
DE:E7:5B:60:D0:22:6D:40:28:7D:3F:0D:01:FE:A4:B5:52:B4:51:94
authorityKeyIdentifier
79:B4:59:E6:7B:B6:E5:E4:01:73:80:08:88:C8:1A:58:F6:E9:9B:6E
authorityInfoAccess
CA Issuers - URI:http://x1.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x1.c.lencr.org/ 
-----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

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