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

phaistosnetworks.gr · 62.103.124.49:443

Verified

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

Subject
CN=x.phaistosnetworks.gr
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-23T10:58:58+00:00
Expires
2027-01-21T10:58:57+00:00
Days remaining
78
Serial (hex)
057C7AE46A62AC0F83262AE3D96D2A465C8E
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:careers.phaistosnetworks.gr, DNS:docs.phaistosnetworks.gr, DNS:phaistosnetworks.gr, DNS:staging-tools.phaistosnetworks.gr, DNS:tools.phaistosnetworks.gr, DNS:www.phaistosnetworks.gr, DNS:x.phaistosnetworks.gr

SHA-256 fingerprint

4E:5E:9B:94:62:B7:4E:84:AA:EE:30:F0:3D:F5:63:D9:14:11:98:EC:2B:90:92:D9:A5:8D:A5:34:A4:8E:C4:7B
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
DC:6B:44:42:F6:05:9F:51:78:8A:6F:8B:42:F0:06:DF:B1:0D:84:2B
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:careers.phaistosnetworks.gr, DNS:docs.phaistosnetworks.gr, DNS:phaistosnetworks.gr, DNS:staging-tools.phaistosnetworks.gr, DNS:tools.phaistosnetworks.gr, DNS:www.phaistosnetworks.gr, DNS:x.phaistosnetworks.gr
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/15.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 4C:63:DC:98:E5:9C:1D:AB:88:F6:1E:8A:3D:DE:AE:8F: AB:44:A3:37:7B:5F:9B:94:C3:FB:A1:9C:FC:C1:BE:26 Timestamp : Oct 23 11:57:28.410 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:6F:5F:CA:24:CE:12:42:42:FF:40:7D:75: C0:B4:AF:13:69:F2:3D:04:B3:69:AE:E9:75:A7:61:DC: 96:BD:0C:2C:02:21:00:88:1D:D9:D7:DC:46:9F:32:CF: E0:74:ED:89:FD:40:D8:FB:2F:D1:6C:3B:DF:34:89:39: 25:F6:3B:AF:FD:D9:E7 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 8E:CA:47:0B:AC:DE:6A:F3:A2:06:B0:A4:7A:84:B7:46: FE:1F:C6:BF:95:3E:25:E6:9B:4E:E4:02:48:F3:C6:E8 Timestamp : Oct 23 11:57:28.973 2026 GMT Extensions: 00:00:05:00:2C:29:CE:4C Signature : ecdsa-with-SHA256 30:46:02:21:00:AD:0E:B0:AD:D4:6F:C8:4C:DE:FA:DF: 1C:40:58:5C:6C:B3:5D:6B:EF:A5:D9:27:D4:81:A3:C0: 99:0F:8E:CE:BA:02:21:00:DD:4B:A2:1A:71:6A:4D:12: BE:D3:B6:A3:E6:7B:F9:1A:56:63:74:BA:D9:86:F8:DC: 5D:D3:6E:DF:BA:F0:3A:6C
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-03T17:01:46+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
669
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
2130
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

Registration / WHOIS →DNS records →