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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.tech-ties.net · 45.138.48.61:443

Verified

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

Subject
CN=mail.tech-ties.net
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-10-07T21:21:41+00:00
Expires
2027-01-05T21:21:40+00:00
Days remaining
78
Serial (hex)
06A811560724D4B587D7E1EDA8F5E957C2A8
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:autoconfig.tech-ties.net, DNS:autodiscover.tech-ties.net, DNS:mail.tech-ties.net

SHA-256 fingerprint

9D:77:66:AE:E4:2F:9B:5A:3F:95:CC:E1:19:1B:79:8F:A0:F5:1E:7D:BE:1F:85:00:20:46:7F:C0:5B:D6:1C:07
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
05:16:52:71:AF:79:2B:40:43:39:8E:A8:DE:4D:E1:EE:AF:44:75:14
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.tech-ties.net, DNS:autodiscover.tech-ties.net, DNS:mail.tech-ties.net
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/41.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Oct 7 22:20:11.723 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:21:00:EC:84:C8:E6:85:B1:EC:9C:AB:D0:CD: 0A:39:12:DE:80:F5:FD:3E:16:48:4D:75:1A:CA:CB:0F: CD:DC:DB:2D:6B:02:20:0B:B5:5E:DC:4C:90:F1:B5:65: B5:49:AF:C7:F6:0C:57:C8:C9:2C:94:A6:6B:F0:BA:F7: 98:9C:7F:49:DC:CF:79 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : A2:81:00:18:73:4E:17:6E:1D:47:E0:95:40:F3:81:BA: 54:66:97:CD:63:A8:43:50:71:6E:B8:09:4E:DA:F1:0D Timestamp : Oct 7 22:20:12.653 2026 GMT Extensions: 00:00:05:00:1E:D9:CD:97 Signature : ecdsa-with-SHA256 30:46:02:21:00:EA:95:83:C2:2F:EE:28:4B:30:91:CD: 64:3B:DB:6F:A4:32:32:D2:AD:CB:DE:0F:26:4C:92:D2: F1:39:CD:5D:1A:02:21:00:93:C1:80:FD:25:83:53:FC: 14:63:35:FE:F6:33:50:6D:F2:35:88:02:3D:B1:8C:4C: C0:23:B7:F8:AF:1F:B6:75
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-18T21:38:24+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
685
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
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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