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

smtp.salnet.wf · 45.154.61.137:443

Verified

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

Subject
CN=mta-01.salnet.wf
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-09-02T08:56:17+00:00
Expires
2026-12-01T08:56:16+00:00
Days remaining
36
Serial (hex)
0683B1B3F62E5710CEB26156BDCCEE3C34C2
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:autoconfig.salnet.wf, DNS:autodiscover.salnet.wf, DNS:imap.salnet.wf, DNS:imaps.salnet.wf, DNS:mail.salnet.wf, DNS:mta-01.salnet.wf, DNS:pop.salnet.wf, DNS:pops.salnet.wf, DNS:sieve.salnet.wf, DNS:smtp.salnet.wf, DNS:smtps.salnet.wf

SHA-256 fingerprint

BD:D7:37:C3:E4:2C:55:BC:FA:D5:67:EE:B9:79:F4:20:99:42:C0:1F:E3:32:B9:B9:D1:8F:8D:EF:D3:E9:35:BC
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
30:B0:21:81:82:2A:EA:8F:3C:4F:81:36:43:00:65:05:91:DA:7D:BA
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.salnet.wf, DNS:autodiscover.salnet.wf, DNS:imap.salnet.wf, DNS:imaps.salnet.wf, DNS:mail.salnet.wf, DNS:mta-01.salnet.wf, DNS:pop.salnet.wf, DNS:pops.salnet.wf, DNS:sieve.salnet.wf, DNS:smtp.salnet.wf, DNS:smtps.salnet.wf
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/67.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : Sep 2 09:54:47.826 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:A8:83:1A:13:0E:53:62:7B:91:8D:AF: 82:63:57:29:75:50:21:7C:BF:E3:9C:D9:23:85:11:BA: A1:2D:E2:C1:64:02:20:44:C1:CD:4F:12:50:9F:5F:74: 42:7C:D5:5C:76:7A:32:F5:5F:1C:99:EE:85:C6:58:C5: 4A:56:9D:B7:92:8C:4C Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : Sep 2 09:54:48.032 2026 GMT Extensions: 00:00:05:00:2C:22:D8:B3 Signature : ecdsa-with-SHA256 30:46:02:21:00:EA:7D:95:C7:E0:CB:41:67:74:9E:EC: 94:90:81:74:BD:A0:14:AC:0F:99:67:B3:ED:2E:C3:5C: 8B:98:AB:FC:C6:02:21:00:99:1D:58:5F:8C:09:55:56: D0:E4:6F:EF:82:62:E3:DB:7E:0C:5E:85:97:3C:89:1A: 19:FB:72:C7:0A:52:F1:34
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-25T11:12:46+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
678
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
2139
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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