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.wingowin.com · 192.99.151.204:443

Verified

Certificate chain, hostname and dates verified using this server’s CA store.

Subject
CN=webdisk.wingowin.com
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-11-01T00:45:42+00:00
Expires
2027-01-30T00:45:41+00:00
Days remaining
85
Serial (hex)
05643E55C1969C1C7AC96D556A1B7022FB01
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:autoconfig.wingowin.com, DNS:autodiscover.wingowin.com, DNS:cpanel.wingowin.com, DNS:cpcalendars.wingowin.com, DNS:cpcontacts.wingowin.com, DNS:mail.wingowin.com, DNS:webdisk.wingowin.com, DNS:webmail.wingowin.com, DNS:wingowin.com, DNS:www.wingowin.com

SHA-256 fingerprint

F6:D3:6D:FE:6E:ED:22:61:A2:AB:E5:09:2F:F9:3F:D4:D8:86:7C:D7:59:67:D0:E5:FC:A2:EF:F8:08:3C:7E:01
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
AC:57:1F:BB:2B:26:D6:A6:D8:B3:66:EC:60:EA:78:39:E8:6C:3D:FD
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.wingowin.com, DNS:autodiscover.wingowin.com, DNS:cpanel.wingowin.com, DNS:cpcalendars.wingowin.com, DNS:cpcontacts.wingowin.com, DNS:mail.wingowin.com, DNS:webdisk.wingowin.com, DNS:webmail.wingowin.com, DNS:wingowin.com, DNS:www.wingowin.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/2.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1: AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E Timestamp : Nov 1 01:44:13.000 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A0:7A:60:D1:79:4A:16:EF:C2:12:DC: 1E:77:EA:C1:D2:F7:7D:A8:4E:16:14:68:3B:15:71:B2: 67:F0:40:F8:A5:02:21:00:FF:64:A6:8D:23:28:B8:1D: 93:6E:2E:3F:9F:F0:CF:D7:BA:11:35:3B:AB:24:6A:F3: C3:17:25:D8:4D:C8:13:94 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 59:6E:6C:33:86:94:B2:59:72:A2:56:C8:A0:E8:DD:90: 4A:76:E8:08:3D:DA:87:3B:01:08:38:28:14:3C:EE:59 Timestamp : Nov 1 01:44:13.244 2026 GMT Extensions: 00:00:05:00:19:73:D2:2D Signature : ecdsa-with-SHA256 30:45:02:20:77:11:61:3C:8F:17:E5:A4:27:08:78:2E: 36:B4:92:11:FD:AA:05:86:1A:20:C5:98:92:CE:82:A0: 64:9F:87:BE:02:21:00:E8:18:20:42:C8:6C:92:46:5A: FD:6D:93:BB:B7:D4:24:68:03:25:2D:94:3A:4A:CB:06: 46:DF:E3:E3:A1:19:CD
-----BEGIN CERTIFICATE-----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==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-05T17:41:19+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
667
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
2128
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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