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

partos.ai · 18.239.83.19:443

Verified
The certificate expires within 30 days.

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

Subject
C=US ST=California L=Palo Alto O=Partos Inc. CN=*.partos.ai
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Valid from
2025-10-22T00:00:00+00:00
Expires
2026-10-21T23:59:59+00:00
Days remaining
28
Serial (hex)
0E665D7E01B4C5E7ADC343D4DD5B959E
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.partos.ai, DNS:partos.ai

SHA-256 fingerprint

C9:44:DC:3F:61:6F:94:09:67:52:47:22:8B:DA:CF:0C:20:71:BA:EC:09:EC:AD:07:0E:E8:0B:8C:7F:C7:55:CC
Certificate extensions & PEM
authorityKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
subjectKeyIdentifier
A6:08:A1:50:C2:F8:E6:5E:4D:71:E5:40:E6:24:76:38:CE:A4:E5:3B
subjectAltName
DNS:*.partos.ai, DNS:partos.ai
certificatePolicies
Policy: 2.23.140.1.2.2 CPS: http://www.digicert.com/CPS
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://cdp.thawte.com/ThawteTLSRSACAG1.crl
authorityInfoAccess
OCSP - URI:http://status.thawte.com CA Issuers - URI:http://cacerts.thawte.com/ThawteTLSRSACAG1.crt
basicConstraints
CA:FALSE
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D8:09:55:3B:94:4F:7A:FF:C8:16:19:6F:94:4F:85:AB: B0:F8:FC:5E:87:55:26:0F:15:D1:2E:72:BB:45:4B:14 Timestamp : Oct 22 16:45:59.075 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:3E:78:8B:5B:11:89:CD:6B:EE:95:0F:61: 2D:A6:E2:3A:98:94:0E:33:A0:CF:78:32:87:D8:52:55: 23:05:1E:EB:02:21:00:EF:C5:EA:A0:64:FA:E8:52:27: 98:29:19:9F:B8:FB:F7:40:11:3D:AE:CB:DE:96:E5:08: CC:7F:AC:54:DA:98:5F 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 : Oct 22 16:45:58.967 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:4F:5E:95:D9:08:8B:F1:FD:AB:7E:10:42: C0:FB:D3:73:3E:D0:AB:B5:8F:51:DB:9A:AF:FC:B6:BF: 8A:BE:EE:E7:02:20:78:E6:70:EC:48:5D:2E:2B:41:D7: ED:2B:27:BB:43:12:59:73:CA:65:BF:C7:FA:7D:BB:07: F1:D4:62:BB:C5:75 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 94:4E:43:87:FA:EC:C1:EF:81:F3:19:24:26:A8:18:65: 01:C7:D3:5F:38:02:01:3F:72:67:7D:55:37:2E:19:D8 Timestamp : Oct 22 16:45:58.988 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B5:31:98:99:0D:BA:4E:66:A4:95:AB: ED:4F:40:9F:0E:37:FB:33:B7:3E:15:56:7B:A1:18:CA: 30:A6:20:94:D4:02:21:00:EB:B7:2C:03:65:18:9A:EC: 4B:B4:EE:1B:E2:9C:B2:AC:89:AD:8C:26:2E:78:F1:07: 10:4E:26:CD:32:34:B0:EB
-----BEGIN CERTIFICATE-----
MIIHVzCCBj+gAwIBAgIQDmZdfgG0xeetw0PU3VuVnjANBgkqhkiG9w0BAQsFADBe
MQswCQYDVQQGEwJVUzEVMBMGA1UEChMMRGlnaUNlcnQgSW5jMRkwFwYDVQQLExB3
d3cuZGlnaWNlcnQuY29tMR0wGwYDVQQDExRUaGF3dGUgVExTIFJTQSBDQSBHMTAe
Fw0yNTEwMjIwMDAwMDBaFw0yNjEwMjEyMzU5NTlaMGIxCzAJBgNVBAYTAlVTMRMw
EQYDVQQIEwpDYWxpZm9ybmlhMRIwEAYDVQQHEwlQYWxvIEFsdG8xFDASBgNVBAoT
C1BhcnRvcyBJbmMuMRQwEgYDVQQDDAsqLnBhcnRvcy5haTCCAiIwDQYJKoZIhvcN
AQEBBQADggIPADCCAgoCggIBAI/gNQ+1wTJ39u4+87KRaHFBaqjzMLzoqyi4bE99
gZTjoE7OcTPnwGcM3B114jfQkktlqN0cGICDh9CAsHWslUZAOULx6DxXZ36u4mxR
3L5EqOw16h4MuyPMDZ0CFEwIWuzQ3ywqIzsbPFnrBCnmOqTPk8Arewqhv1D45gNb
XL0fdo1ibIl5VjwKq06XG5Y8tzlXkBujJ/g0p3Ocwww+7EcXGY9cXf/VIX3J5z0h
64+VOiXPxbY0XwYytQB1Pld0p/niG1w6fHC8qv4iOdoSJ2Z0ldqjXbCWVNnvyNB8
TQPZAeoUDjlmE/AMqlLXfPX9NZHTwFeKsC0/fBxQ/Nai0TQVgncWyvXDvLJAYHuK
ELlWaIKs5vBh/yQDwdK8gyBGKwX0SJJan4KxM9u/H9fwi1fOmegdxOYfZRcMolbp
OX4eqLUmHC4qHKOUvf+Ix/nF802JUGdBSNZP58ol6nrqPbE8N389XahuRIbSYLFY
u2YR2SZ7R8E3QdM/mKHl6SPDy4o7xtofjnZsAXMHEPtWAX1MW+GlMTwlUAFQbFNz
DgtK7CO1Vi8OICjGXcWWDVOTD41ko5/8z68PRmsNe9YImX6hbRcUG6F8EaIT4tzR
BFvm8DyfhmvHNZ7Nnc5dVWvA28nDHlHNcFWwhM5ydJ1yMyZfGy/LFazQslOMVeLE
v3e3AgMBAAGjggMLMIIDBzAfBgNVHSMEGDAWgBSljP4yzOsPLNQZxgi4ACSIXcPF
tzAdBgNVHQ4EFgQUpgihUML45l5NceVA5iR2OM6k5TswIQYDVR0RBBowGIILKi5w
YXJ0b3MuYWmCCXBhcnRvcy5haTA+BgNVHSAENzA1MDMGBmeBDAECAjApMCcGCCsG
AQUFBwIBFhtodHRwOi8vd3d3LmRpZ2ljZXJ0LmNvbS9DUFMwDgYDVR0PAQH/BAQD
AgWgMBMGA1UdJQQMMAoGCCsGAQUFBwMBMDsGA1UdHwQ0MDIwMKAuoCyGKmh0dHA6
Ly9jZHAudGhhd3RlLmNvbS9UaGF3dGVUTFNSU0FDQUcxLmNybDBwBggrBgEFBQcB
AQRkMGIwJAYIKwYBBQUHMAGGGGh0dHA6Ly9zdGF0dXMudGhhd3RlLmNvbTA6Bggr
BgEFBQcwAoYuaHR0cDovL2NhY2VydHMudGhhd3RlLmNvbS9UaGF3dGVUTFNSU0FD
QUcxLmNydDAMBgNVHRMBAf8EAjAAMIIBfgYKKwYBBAHWeQIEAgSCAW4EggFqAWgA
dgDYCVU7lE96/8gWGW+UT4WrsPj8XodVJg8V0S5yu0VLFAAAAZoM0CWjAAAEAwBH
MEUCID54i1sRic1r7pUPYS2m4jqYlA4zoM94MofYUlUjBR7rAiEA78XqoGT66FIn
mCkZn7j790ARPa7L3pblCMx/rFTamF8AdQDCMX5XRRmjRe5/ON6ykEHrx8IhWiK/
f9W1rXaa2Q5SzQAAAZoM0CU3AAAEAwBGMEQCIE9eldkIi/H9q34QQsD703M+0Ku1
j1Hbmq/8tr+Kvu7nAiB45nDsSF0uK0HX7Ssnu0MSWXPKZb/H+n27B/HUYrvFdQB3
AJROQ4f67MHvgfMZJCaoGGUBx9NfOAIBP3JnfVU3LhnYAAABmgzQJUwAAAQDAEgw
RgIhALUxmJkNuk5mpJWr7U9Anw43+zO3PhVWe6EYyjCmIJTUAiEA67csA2UYmuxL
tO4b4pyyrImtjCYuePEHEE4mzTI0sOswDQYJKoZIhvcNAQELBQADggEBAGvdNdHK
cL1c67DDpHK/2lKz21uFuVTywr0ttbIq0J7JB1sRdshF5ys/Ae+6ZDv+E5aUmK1P
Tk68S/tgepCf3sg4NAtfKnng6w21MtIv092R+NRkXjefhyhBPJ2p7V5RSDGx8x05
8pcK6zHicYi4q80Olm2DaP5EGOufJUUX76OZ4d1JhblEo8rviirGPbvzE2Gwd+J+
cDXf7ZUU7nrXtAU7qMCfHY7rhiHUzKw5d/0XCGVvfyEyVXYbDwBcE8E89X3X/Mvq
uqkmucisYfbdUEn9vN2KWO2upUfhv61WTbx6+5bgG7EaZALrnMiA4h4FXFQgotti
eDB0jb1VXQHCoV0=
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-09-23T15:26:29+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2013-08-01T12:00:00+00:00
Expires
2038-01-15T12:00:00+00:00
Days remaining
4131
Serial (hex)
033AF1E6A711A9A0BB2864B11D09FAE5
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:3C:CB:B7:60:31:E5:E0:13:8F:8D:D3:9A:23:F9:DE:47:FF:C3:5E:43:C1:14:4C:EA:27:D4:6A:5A:B1:CB:5F
Certificate extensions & PEM
basicConstraints
CA:TRUE
keyUsage
Digital Signature, Certificate Sign, CRL Sign
subjectKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=DigiCert Inc OU=www.digicert.com CN=Thawte TLS RSA CA G1
Issuer
C=US O=DigiCert Inc OU=www.digicert.com CN=DigiCert Global Root G2
Valid from
2017-11-02T12:24:25+00:00
Expires
2027-11-02T12:24:25+00:00
Days remaining
404
Serial (hex)
090EE8C5DE5BFA62D2AE2FF7097C4857
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

4B:CC:5E:23:4F:E8:1E:DE:4E:AF:88:3A:A1:9C:31:33:5B:0B:26:E8:5E:06:6B:99:45:E4:CB:61:53:EB:20:C2
Certificate extensions & PEM
subjectKeyIdentifier
A5:8C:FE:32:CC:EB:0F:2C:D4:19:C6:08:B8:00:24:88:5D:C3:C5:B7
authorityKeyIdentifier
4E:22:54:20:18:95:E6:E3:6E:E6:0F:FA:FA:B9:12:ED:06:17:8F:39
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE, pathlen:0
authorityInfoAccess
OCSP - URI:http://ocsp.digicert.com
crlDistributionPoints
Full Name: URI:http://crl3.digicert.com/DigiCertGlobalRootG2.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.digicert.com/CPS
-----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

Registration / WHOIS →DNS records →