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

TLSv1.2

uit.no · 129.242.126.10:443

Verified

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

Subject
C=NO ST=Troms O=Universitetet i Tromsø – Norges arktiske universitet CN=uit.no
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS ECC 1
Valid from
2025-12-08T09:29:37+00:00
Expires
2026-12-08T09:29:37+00:00
Days remaining
75
Serial (hex)
045E811F0C2413FE2430E6FF2231D006
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:uit.no, DNS:en.uit.no, DNS:es.uit.no, DNS:sj.uit.no, DNS:www.uit.no, DNS:de.uit.no, DNS:sa.uit.no, DNS:fr.uit.no

SHA-256 fingerprint

4C:7A:18:D2:77:85:1A:0E:2C:11:F3:B1:EE:26:BB:42:BE:41:C2:54:F0:7E:F4:C1:23:BE:E0:6E:5C:48:A9:CE
Certificate extensions & PEM
basicConstraints
CA:FALSE
authorityKeyIdentifier
E9:99:06:8D:17:1F:AB:FB:96:1A:5A:C8:5B:5E:5D:5E:EC:DA:9C:8F
authorityInfoAccess
CA Issuers - URI:http://crt.harica.gr/HARICA-GEANT-TLS-E1.cer OCSP - URI:http://ocsp-tls.harica.gr
subjectAltName
DNS:uit.no, DNS:en.uit.no, DNS:es.uit.no, DNS:sj.uit.no, DNS:www.uit.no, DNS:de.uit.no, DNS:sa.uit.no, DNS:fr.uit.no
certificatePolicies
Policy: 2.23.140.1.2.2 Policy: 0.4.0.2042.1.7 Policy: 1.3.6.1.4.1.26513.1.1.1.2
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.harica.gr/HARICA-GEANT-TLS-E1.crl
subjectKeyIdentifier
3B:67:79:09:11:65:74:6A:0B:3B:BE:D6:08:70:39:43:7D:B0:95:F4
keyUsage
Digital Signature
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AF:67:88:3B:57:B0:4E:DD:8F:A6:D9:7E:F6:2E:A8:EB: 81:0A:C7:71:60:F0:24:5E:55:D6:0C:2F:E7:85:87:3A Timestamp : Dec 8 09:39:39.277 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:52:0D:31:0C:08:28:02:72:67:52:8D:82: E2:59:18:20:F5:B9:FB:8F:E8:5A:E2:CE:2D:EC:50:F5: D3:70:1B:1A:02:20:66:E3:11:A4:CC:AC:5C:BB:4B:48: D0:94:03:D9:DF:FF:2C:6D:F0:80:5F:60:E5:FF:5E:56: 50:0E:7D:3F:D3:1C 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 : Dec 8 09:39:39.235 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:54:BC:F1:51:49:3F:FA:8F:8D:FA:0B:C0: FD:C9:B0:88:AD:58:40:6A:C2:B4:64:D0:10:67:92:0D: 7A:8A:EC:4E:02:21:00:9C:E2:44:71:49:49:16:2E:44: 75:FE:78:4D:13:C0:59:CE:CB:0B:17:7F:04:80:F9:5F: 93:B0:EE:D2:91:60:5D Signed Certificate Timestamp: Version : v1 (0x0) Log ID : AC:AB:30:70:6C:EB:EC:84:31:F4:13:D2:F4:91:5F:11: 1E:42:24:43:B1:F2:A6:8C:4F:3C:2B:3B:A7:1E:02:C3 Timestamp : Dec 8 09:39:39.286 2025 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:ED:A3:BF:D1:EB:6E:91:00:F8:7F:6A: 81:E4:43:2F:83:8C:41:47:6C:3B:8D:09:AB:CA:E2:CE: 6F:94:63:F3:4B:02:21:00:AB:44:9D:33:FD:F5:79:0D: 4C:18:FA:E8:8D:B5:70:E9:FF:DD:83:12:BA:86:47:D4: 70:BD:67:67:A0:E2:C2:0B
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-ECDSA-AES128-GCM-SHA256 · Checked 2026-09-23T19:05:57+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS ECC 1
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS ECC Root CA 2021
Valid from
2025-01-03T11:14:21+00:00
Expires
2039-12-31T11:14:20+00:00
Days remaining
4846
Serial (hex)
42FDDCE1261607E1A5E6935A400161DD
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

6C:DF:0B:A1:71:1E:85:6D:22:8B:A0:0C:A0:4C:5C:1C:3D:79:94:4C:03:7B:71:3B:15:5A:4E:E4:B4:7E:C5:3C
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
authorityKeyIdentifier
C9:1B:53:81:12:FE:04:D5:16:D1:AA:BC:9A:6F:B7:A0:95:19:6E:CA
authorityInfoAccess
CA Issuers - URI:http://crt.harica.gr/HARICA-TLS-Root-2021-ECC.cer
certificatePolicies
Policy: X509v3 Any Policy
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.harica.gr/HARICA-TLS-Root-2021-ECC.crl
subjectKeyIdentifier
E9:99:06:8D:17:1F:AB:FB:96:1A:5A:C8:5B:5E:5D:5E:EC:DA:9C:8F
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS ECC Root CA 2021
Issuer
C=GR L=Athens O=Hellenic Academic and Research Institutions Cert. Authority CN=Hellenic Academic and Research Institutions ECC RootCA 2015
Valid from
2021-09-02T07:44:37+00:00
Expires
2029-08-31T07:44:36+00:00
Days remaining
1072
Serial (hex)
716027C8857A73542DEF516C1C2EEB0F
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

50:E2:7F:90:EB:6A:F4:95:B0:E6:EE:B6:55:CC:89:44:4C:27:D3:C9:5B:68:23:FA:02:AB:DC:95:F1:63:6A:E1
Certificate extensions & PEM
basicConstraints
CA:TRUE
authorityKeyIdentifier
B4:22:0B:82:99:24:01:0E:9C:BB:E4:0E:FD:BF:FB:97:20:93:99:2A
authorityInfoAccess
CA Issuers - URI:http://repo.harica.gr/certs/HaricaECCRootCA2015.crt
certificatePolicies
Policy: X509v3 Any Policy
extendedKeyUsage
TLS Web Client Authentication, TLS Web Server Authentication
crlDistributionPoints
Full Name: URI:http://crl.harica.gr/HaricaECCRootCA2015.crl
subjectKeyIdentifier
C9:1B:53:81:12:FE:04:D5:16:D1:AA:BC:9A:6F:B7:A0:95:19:6E:CA
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----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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