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.umgoblue.com · 68.66.216.18:443

Verified

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

Subject
CN=webdisk.umgoblue.com
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-28T03:33:10+00:00
Expires
2026-12-27T03:33:09+00:00
Days remaining
52
Serial (hex)
0585B242F41E6A68630D207BDFD9417D5B3D
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:cpanel.umgoblue.com, DNS:cpcalendars.umgoblue.com, DNS:cpcontacts.umgoblue.com, DNS:mail.umgoblue.com, DNS:umgoblue.com, DNS:webdisk.umgoblue.com, DNS:webmail.umgoblue.com, DNS:www.umgoblue.com

SHA-256 fingerprint

2E:6D:79:77:9B:D7:9B:7F:85:7E:03:BE:12:F2:DE:BB:CD:47:9B:0B:F6:00:D7:75:DB:26:86:84:71:13:A8:30
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
35:57:53:51:36:58:8C:B3:81:3F:D0:59:A2:58:CF:27:CF:94:98:4C
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:cpanel.umgoblue.com, DNS:cpcalendars.umgoblue.com, DNS:cpcontacts.umgoblue.com, DNS:mail.umgoblue.com, DNS:umgoblue.com, DNS:webdisk.umgoblue.com, DNS:webmail.umgoblue.com, DNS:www.umgoblue.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/62.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : C2:31:7E:57:45:19:A3:45:EE:7F:38:DE:B2:90:41:EB: C7:C2:21:5A:22:BF:7F:D5:B5:AD:76:9A:D9:0E:52:CD Timestamp : Sep 28 04:31:40.963 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:A8:57:26:A7:1D:F3:41:92:AA:F2:FB: 83:8E:8A:7F:52:37:F8:66:6E:0C:F3:FA:39:50:5D:73: 10:CB:AC:E1:B8:02:21:00:E5:12:DC:4B:B6:C9:35:20: 28:E0:E3:34:5F:F7:05:F6:1A:83:14:56:D5:E5:B1:D6: 84:67:3B:47:27:4B:78:19 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:0F:FE:BF:81:B4:79:39:C6:D2:31:0A:86: D6:D1:02:D4:F0:46:E2:18:2C:9D:E3:5F:5E:26:25:EF Timestamp : Sep 28 04:31:41.363 2026 GMT Extensions: 00:00:05:00:45:EF:57:1B Signature : ecdsa-with-SHA256 30:44:02:20:74:A3:25:8E:4E:42:97:CA:DB:CC:74:29: F4:C3:84:41:8D:EF:46:5F:3E:54:F6:B6:15:5F:8C:6C: FA:76:F9:43:02:20:76:58:6D:33:5F:A6:5F:46:B7:CA: 4C:17:AF:F8:01:27:BB:FB:AB:5D:48:5F:98:CF:53:6C: E8:DF:4B:F8:85:F4
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-04T08:57:25+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
668
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
2129
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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