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

ns2.nwi.com.br · 189.85.80.52:443

Unverified
Certificate verification failed. These are unverified certificate details presented by the server. Peer certificate subjectAltName did not match expected name `ns2.nwi.com.br'

Certificate verification failed

Subject
CN=autoconfig.cp2.nwi.com.br
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-10-13T18:10:07+00:00
Expires
2027-01-11T18:10:06+00:00
Days remaining
88
Serial (hex)
06FB6F19CCA06E027466B88CDD9C60C47540
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.cp2.nwi.com.br, DNS:autodiscover.cp2.nwi.com.br, DNS:cp2.nwi.com.br, DNS:cpanel.cp2.nwi.com.br, DNS:cpcalendars.cp2.nwi.com.br, DNS:cpcontacts.cp2.nwi.com.br, DNS:ipv6.cp2.nwi.com.br, DNS:mail.cp2.nwi.com.br, DNS:webdisk.cp2.nwi.com.br, DNS:webmail.cp2.nwi.com.br, DNS:whm.cp2.nwi.com.br, DNS:www.cp2.nwi.com.br

SHA-256 fingerprint

8C:8E:7F:00:C7:C5:B2:C2:13:5A:CF:BE:D3:7F:D6:2A:A8:EF:30:12:F4:8F:DF:78:09:9E:3B:98:EA:67:66:DB
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
E3:DC:EF:4A:CD:00:D4:6D:5A:A8:C0:32:80:04:F6:FF:3F:D1:3F:A5
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:autoconfig.cp2.nwi.com.br, DNS:autodiscover.cp2.nwi.com.br, DNS:cp2.nwi.com.br, DNS:cpanel.cp2.nwi.com.br, DNS:cpcalendars.cp2.nwi.com.br, DNS:cpcontacts.cp2.nwi.com.br, DNS:ipv6.cp2.nwi.com.br, DNS:mail.cp2.nwi.com.br, DNS:webdisk.cp2.nwi.com.br, DNS:webmail.cp2.nwi.com.br, DNS:whm.cp2.nwi.com.br, DNS:www.cp2.nwi.com.br
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/65.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 44:C2:BD:0C:E9:14:0E:64:A5:C9:4A:01:93:0A:5A:A1: BB:35:97:0E:00:EE:11:16:89:68:2A:1C:44:D7:B5:66 Timestamp : Oct 13 19:08:37.596 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:D0:72:21:35:55:43:ED:3D:34:61:9F: 6A:6B:81:12:0D:C8:90:D7:70:57:23:02:7A:D6:DE:C9: D6:D1:AA:89:FF:02:20:59:DB:38:BB:A5:C0:24:6D:FC: 79:AD:3E:04:F5:A7:5C:56:43:2F:40:9A:E4:AA:5C:7E: 73:E5:E5:AE:9C:2D:2F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Oct 13 19:08:37.724 2026 GMT Extensions: 00:00:05:00:22:ED:1C:F8 Signature : ecdsa-with-SHA256 30:44:02:20:19:39:0C:AF:E0:B5:BA:3E:1F:DF:94:D1: 8E:79:2B:CD:83:4F:76:42:49:B7:45:06:8C:77:84:8F: 8C:AE:CF:37:02:20:13:9D:6D:8E:82:F1:09:6C:B4:28: C0:AC:8F:1E:B5:9F:FE:C9:01:88:46:5F:9A:CB:8B:3D: FF:9D:CA:CC:E0:61
-----BEGIN CERTIFICATE-----
MIIGDjCCBPagAwIBAgISBvtvGcygbgJ0ZriM3ZxgxHVAMA0GCSqGSIb3DQEBCwUA
MDMxCzAJBgNVBAYTAlVTMRYwFAYDVQQKEw1MZXQncyBFbmNyeXB0MQwwCgYDVQQD
EwNZUjIwHhcNMjYxMDEzMTgxMDA3WhcNMjcwMTExMTgxMDA2WjAkMSIwIAYDVQQD
ExlhdXRvY29uZmlnLmNwMi5ud2kuY29tLmJyMIIBIjANBgkqhkiG9w0BAQEFAAOC
AQ8AMIIBCgKCAQEApgUFuy/hwdZZ76+A1Fgy2C9R2I61/ZRM2n+El7L5AGEkF6qX
vbuCt6aCQg8UFJyclXzWntWRMbH8plZ5VDAXyidIqb5OhlmF3t531Tnppnp5GPpp
/WVqJvsfZyFnm3If7m3XxB9PjuPt6969DVLE8PYOZhxmPfGL9srfpItxWPE8GKo5
X56IlUX0UaYsDUqnL+q8xH7bWWJrWD1SRAp9UfKYt8HM8IHsC+wBxxIzCB9DJKkq
Gg8huUwpLoQEe/1QaJuwTqUfmeN7k1pgblO/H/mgv2NYMwk2aKdDigx5Gxzc5e9n
CODLvujL0NvQWhDdLHemSFhOTkqg1CJ2RdOYswIDAQABo4IDKTCCAyUwDgYDVR0P
AQH/BAQDAgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMAwGA1UdEwEB/wQCMAAwHQYD
VR0OBBYEFOPc70rNANRtWqjAMoAE9v8/0T+lMB8GA1UdIwQYMBaAFEAVLSZ57TIg
nt+ach3WMh+BDIEMMDMGCCsGAQUFBwEBBCcwJTAjBggrBgEFBQcwAoYXaHR0cDov
L3lyMi5pLmxlbmNyLm9yZy8wggElBgNVHREEggEcMIIBGIIZYXV0b2NvbmZpZy5j
cDIubndpLmNvbS5icoIbYXV0b2Rpc2NvdmVyLmNwMi5ud2kuY29tLmJygg5jcDIu
bndpLmNvbS5icoIVY3BhbmVsLmNwMi5ud2kuY29tLmJyghpjcGNhbGVuZGFycy5j
cDIubndpLmNvbS5icoIZY3Bjb250YWN0cy5jcDIubndpLmNvbS5icoITaXB2Ni5j
cDIubndpLmNvbS5icoITbWFpbC5jcDIubndpLmNvbS5icoIWd2ViZGlzay5jcDIu
bndpLmNvbS5icoIWd2VibWFpbC5jcDIubndpLmNvbS5icoISd2htLmNwMi5ud2ku
Y29tLmJyghJ3d3cuY3AyLm53aS5jb20uYnIwEwYDVR0gBAwwCjAIBgZngQwBAgEw
LgYDVR0fBCcwJTAjoCGgH4YdaHR0cDovL3lyMi5jLmxlbmNyLm9yZy82NS5jcmww
ggELBgorBgEEAdZ5AgQCBIH8BIH5APcAdgBEwr0M6RQOZKXJSgGTClqhuzWXDgDu
ERaJaCocRNe1ZgAAAaE2qq1cAAAEAwBHMEUCIQDQciE1VUPtPTRhn2prgRINyJDX
cFcjAnrW3snW0aqJ/wIgWds4u6XAJG38ea0+BPWnXFZDL0Ca5KpcfnPl5a6cLS8A
fQCOykcLrN5q86IGsKR6hLdG/h/Gv5U+JeabTuQCSPPG6AAAAaE2qq3cAAgAAAUA
Iu0c+AQDAEYwRAIgGTkMr+C1uj4f35TRjnkrzYNPdkJJt0UGjHeEj4yuzzcCIBOd
bY6C8QlstCjArI8etZ/+yQGIRl+ay4s9/53KzOBhMA0GCSqGSIb3DQEBCwUAA4IB
AQA3XA8QwH0pu/MrYuK1h+V8w+rlEbFi/Ry4lzYDNaDVi/EAD39DFGbiANTup7cO
enyGOxLXI/SO0Tz+mZ9Ft+TzEsR8YQCMGclo26pd91LHrtckg3l36Q/smpWp0jzz
xm8Z+Pxn0O59MT60ofNuE5EGj6ukZeOXx6y0RISnMZJw5rvAuJovc+pI2tUm4IPL
5DNJ1+netdTQnErAL4ZMCCTCuUVH3BLhhPqK1yT6BP3GHxx1HNMkoUyHda3yhgz2
ZZ3zq2kXnXdQkE/1+oZlyKGf+jLgb68jWN68Mk94+i8+F1OvJ6qb/6+X6vYgGHlD
Ab18Svm3BZdu3ZhGXkrKR8bz
-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-15T15:32:37+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
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
688
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
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-----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==
-----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
2149
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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