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.itmhosting.com · 5.133.100.251:443

Verified

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

Subject
CN=mail.itmhosting.com
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-05T08:00:53+00:00
Expires
2027-01-03T08:00:52+00:00
Days remaining
76
Serial (hex)
064D6A7649EE3E2AB11C2E64AC518D4EBEB2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

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

SHA-256 fingerprint

1B:71:E5:18:40:54:46:2C:B0:90:55:77:B7:7D:75:57:ED:DC:1A:1D:04:10:32:0D:50:CD:74:8D:7A:64:77:D6
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
AB:52:C9:87:D0:24:1F:20:5F:A8:88:13:AD:B3:D8:B0:6C:B6:FB:CA
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:cpanel.itmhosting.com, DNS:cpcalendars.itmhosting.com, DNS:cpcontacts.itmhosting.com, DNS:itmhosting.com, DNS:mail.itmhosting.com, DNS:webdisk.itmhosting.com, DNS:webmail.itmhosting.com, DNS:www.itmhosting.com
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/51.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:A2:39:67:C6:0D:B6:46:87:C6:6F:3D:F9:99:94:76: 93:A6:A6:11:20:84:57:D5:55:E7:E3:D0:A1:D9:B6:46 Timestamp : Oct 5 08:59:23.597 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:CD:E2:E8:27:B4:54:A9:08:15:22:69: 06:01:0B:60:FF:A7:2B:65:ED:80:73:C4:1C:A8:45:8F: CA:7B:C9:DB:3C:02:20:13:4E:EE:57:69:AA:E6:63:82: 0C:DD:9A:86:E8:98:89:9C:20:1D:A0:CC:5B:06:05:EA: D5:F6:9F:80:1A:5F:B8 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 1A:8B:9D:6B:8D:D7:91:D1:CD:05:49:ED:B6:03:55:D6: 06:B6:4F:AD:30:DB:71:FE:78:8F:0F:C7:C8:FB:C4:B1 Timestamp : Oct 5 08:59:24.580 2026 GMT Extensions: 00:00:05:00:05:79:9C:B5 Signature : ecdsa-with-SHA256 30:46:02:21:00:D2:56:17:B5:DD:B1:3C:63:55:F7:20: 04:19:18:96:6B:CA:D3:CC:91:A9:EE:2A:F9:89:2E:4E: 17:E7:55:83:3E:02:21:00:EB:18:9D:D7:7C:B6:07:44: 83:7B:9E:69:31:FF:00:5D:37:B7:3D:B7:FA:13:EC:FE: 3E:5F:86:BB:8C:0D:D0:FD
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-18T14:36:33+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
685
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-----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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
2146
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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