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

umb.sk · 172.66.170.49:443

Verified

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

Subject
C=SK L=Banská Bystrica O=Univerzita Mateja Bela v Banskej Bystrici CN=*.ahn.umb.sk
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS RSA 1
Valid from
2026-11-10T09:58:28+00:00
Expires
2027-05-28T09:58:27+00:00
Days remaining
193
Serial (hex)
662B2D745CD98AD485AD3404060E412D
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:*.ahn.umb.sk, DNS:ahn.umb.sk, DNS:*.ais2-beta.umb.sk, DNS:ais2-beta.umb.sk, DNS:*.motus.umb.sk, DNS:motus.umb.sk, DNS:*.publikacie.umb.sk, DNS:publikacie.umb.sk, DNS:*.ekonomikaaspolocnost.umb.sk, DNS:ekonomikaaspolocnost.umb.sk, DNS:*.cib.umb.sk, DNS:cib.umb.sk, DNS:*.mysme.umb.sk, DNS:mysme.umb.sk, DNS:*.servicelearning.umb.sk, DNS:servicelearning.umb.sk, DNS:*.kvalita.umb.sk, DNS:kvalita.umb.sk, DNS:*.mc.umb.sk, DNS:mc.umb.sk, DNS:*.kniznica.umb.sk, DNS:kniznica.umb.sk, DNS:*.alumni.umb.sk, DNS:alumni.umb.sk, DNS:*.ftvsz.umb.sk, DNS:ftvsz.umb.sk, DNS:*.uakom.umb.sk, DNS:uakom.umb.sk, DNS:*.labs.fpv.umb.sk, DNS:labs.fpv.umb.sk, DNS:*.pdf.umb.sk, DNS:pdf.umb.sk, DNS:*.student.umb.sk, DNS:student.umb.sk, DNS:*.fotobanka.umb.sk, DNS:fotobanka.umb.sk, DNS:*.dev.uakom.umb.sk, DNS:dev.uakom.umb.sk, DNS:*.info.umb.sk, DNS:info.umb.sk, DNS:*.sportklub.umb.sk, DNS:sportklub.umb.sk, DNS:*.web-student.umb.sk, DNS:web-student.umb.sk, DNS:*.lidervedukacii.umb.sk, DNS:lidervedukacii.umb.sk, DNS:*.preukazy.umb.sk, DNS:preukazy.umb.sk, DNS:*.politickevedy.fpvmv.umb.sk, DNS:politickevedy.fpvmv.umb.sk, DNS:*.umb.sk, DNS:umb.sk, DNS:*.ais2.umb.sk, DNS:ais2.umb.sk, DNS:*.argumentacia.umb.sk, DNS:argumentacia.umb.sk, DNS:*.prf.umb.sk, DNS:prf.umb.sk, DNS:*.projektycpp.umb.sk, DNS:projektycpp.umb.sk, DNS:*.grid.umb.sk, DNS:grid.umb.sk, DNS:*.publikacie.fpvmv.umb.sk, DNS:publikacie.fpvmv.umb.sk, DNS:*.studujinformatiku.umb.sk, DNS:studujinformatiku.umb.sk, DNS:*.posohu.umb.sk, DNS:posohu.umb.sk, DNS:*.fhv.umb.sk, DNS:fhv.umb.sk, DNS:*.ff.umb.sk, DNS:ff.umb.sk, DNS:*.fpvmv.umb.sk, DNS:fpvmv.umb.sk, DNS:*.dofe.umb.sk, DNS:dofe.umb.sk, DNS:*.ucmp.umb.sk, DNS:ucmp.umb.sk, DNS:*.hpcc.umb.sk, DNS:hpcc.umb.sk, DNS:*.jedalen.umb.sk, DNS:jedalen.umb.sk, DNS:*.osticket.umb.sk, DNS:osticket.umb.sk, DNS:*.rozvojef.umb.sk, DNS:rozvojef.umb.sk, DNS:*.informatika.umb.sk, DNS:informatika.umb.sk, DNS:*.fpv.umb.sk, DNS:fpv.umb.sk, DNS:*.library.umb.sk, DNS:library.umb.sk, DNS:*.ubytovanie.umb.sk, DNS:ubytovanie.umb.sk, DNS:*.web9.umb.sk, DNS:web9.umb.sk, DNS:*.zosuladovanieef.umb.sk, DNS:zosuladovanieef.umb.sk, DNS:*.ef.umb.sk, DNS:ef.umb.sk

SHA-256 fingerprint

03:8C:92:F7:70:47:79:C5:2F:5C:84:E2:6E:85:73:B9:EF:E4:8D:ED:75:67:FD:47:97:C2:4F:E2:BE:AE:03:F7
Certificate extensions & PEM
basicConstraints
CA:FALSE
authorityKeyIdentifier
86:01:72:3F:8C:A9:70:E2:31:06:53:16:CE:01:5F:5B:79:C8:3C:3B
authorityInfoAccess
CA Issuers - URI:http://crt.harica.gr/HARICA-GEANT-TLS-R1.cer
subjectAltName
DNS:*.ahn.umb.sk, DNS:ahn.umb.sk, DNS:*.ais2-beta.umb.sk, DNS:ais2-beta.umb.sk, DNS:*.motus.umb.sk, DNS:motus.umb.sk, DNS:*.publikacie.umb.sk, DNS:publikacie.umb.sk, DNS:*.ekonomikaaspolocnost.umb.sk, DNS:ekonomikaaspolocnost.umb.sk, DNS:*.cib.umb.sk, DNS:cib.umb.sk, DNS:*.mysme.umb.sk, DNS:mysme.umb.sk, DNS:*.servicelearning.umb.sk, DNS:servicelearning.umb.sk, DNS:*.kvalita.umb.sk, DNS:kvalita.umb.sk, DNS:*.mc.umb.sk, DNS:mc.umb.sk, DNS:*.kniznica.umb.sk, DNS:kniznica.umb.sk, DNS:*.alumni.umb.sk, DNS:alumni.umb.sk, DNS:*.ftvsz.umb.sk, DNS:ftvsz.umb.sk, DNS:*.uakom.umb.sk, DNS:uakom.umb.sk, DNS:*.labs.fpv.umb.sk, DNS:labs.fpv.umb.sk, DNS:*.pdf.umb.sk, DNS:pdf.umb.sk, DNS:*.student.umb.sk, DNS:student.umb.sk, DNS:*.fotobanka.umb.sk, DNS:fotobanka.umb.sk, DNS:*.dev.uakom.umb.sk, DNS:dev.uakom.umb.sk, DNS:*.info.umb.sk, DNS:info.umb.sk, DNS:*.sportklub.umb.sk, DNS:sportklub.umb.sk, DNS:*.web-student.umb.sk, DNS:web-student.umb.sk, DNS:*.lidervedukacii.umb.sk, DNS:lidervedukacii.umb.sk, DNS:*.preukazy.umb.sk, DNS:preukazy.umb.sk, DNS:*.politickevedy.fpvmv.umb.sk, DNS:politickevedy.fpvmv.umb.sk, DNS:*.umb.sk, DNS:umb.sk, DNS:*.ais2.umb.sk, DNS:ais2.umb.sk, DNS:*.argumentacia.umb.sk, DNS:argumentacia.umb.sk, DNS:*.prf.umb.sk, DNS:prf.umb.sk, DNS:*.projektycpp.umb.sk, DNS:projektycpp.umb.sk, DNS:*.grid.umb.sk, DNS:grid.umb.sk, DNS:*.publikacie.fpvmv.umb.sk, DNS:publikacie.fpvmv.umb.sk, DNS:*.studujinformatiku.umb.sk, DNS:studujinformatiku.umb.sk, DNS:*.posohu.umb.sk, DNS:posohu.umb.sk, DNS:*.fhv.umb.sk, DNS:fhv.umb.sk, DNS:*.ff.umb.sk, DNS:ff.umb.sk, DNS:*.fpvmv.umb.sk, DNS:fpvmv.umb.sk, DNS:*.dofe.umb.sk, DNS:dofe.umb.sk, DNS:*.ucmp.umb.sk, DNS:ucmp.umb.sk, DNS:*.hpcc.umb.sk, DNS:hpcc.umb.sk, DNS:*.jedalen.umb.sk, DNS:jedalen.umb.sk, DNS:*.osticket.umb.sk, DNS:osticket.umb.sk, DNS:*.rozvojef.umb.sk, DNS:rozvojef.umb.sk, DNS:*.informatika.umb.sk, DNS:informatika.umb.sk, DNS:*.fpv.umb.sk, DNS:fpv.umb.sk, DNS:*.library.umb.sk, DNS:library.umb.sk, DNS:*.ubytovanie.umb.sk, DNS:ubytovanie.umb.sk, DNS:*.web9.umb.sk, DNS:web9.umb.sk, DNS:*.zosuladovanieef.umb.sk, DNS:zosuladovanieef.umb.sk, DNS:*.ef.umb.sk, DNS:ef.umb.sk
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-R1.crl
subjectKeyIdentifier
5A:1F:4A:00:16:83:FF:18:F9:D7:49:F5:F4:34:14:5E:20:BC:1D:A9
keyUsage
Digital Signature, Key Encipherment
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:A2:39:67:C6:0D:B6:46:87:C6:6F:3D:F9:99:94:76: 93:A6:A6:11:20:84:57:D5:55:E7:E3:D0:A1:D9:B6:46 Timestamp : Nov 10 10:08:31.147 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:9C:78:B9:51:95:CE:8F:FB:40:AA:F1: 0D:32:09:2D:ED:B0:73:AD:CB:33:54:18:03:D3:0E:02: E2:31:FB:10:ED:02:21:00:E7:40:34:BC:46:C7:FF:3C: 06:E9:B0:F2:8B:BB:46:09:74:EE:56:F0:7D:4F:11:31: 18:AD:EF:8B:43:D7:DA:4F 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 : Nov 10 10:08:31.185 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:43:02:1F:6D:57:A9:42:27:83:C9:8F:DC:97:AA:44: 3D:7B:46:45:9A:61:93:BC:58:84:C9:2D:6F:83:E1:78: 30:09:50:02:20:45:64:F0:48:30:57:19:47:85:A2:55: 72:9F:92:47:B1:6B:89:A2:EB:3E:30:67:98:52:64:73: 5C:33:85:37:60 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 00:1A:5D:1A:1C:2D:93:75:B6:48:55:78:F8:2F:71:A1: AE:6E:EF:39:7D:29:7C:8A:E3:15:7B:CA:DE:E1:A0:1E Timestamp : Nov 10 10:08:31.174 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:1D:E2:08:2E:B8:1D:5B:18:E8:FE:CF:2B: A1:D6:6E:F1:D8:46:08:84:94:6D:E1:A3:08:F9:C2:04: 71:E7:65:8A:02:21:00:DA:1F:B5:1E:8B:7A:13:B6:79: EE:15:85:26:46:DF:22:A3:6C:CA:B8:36:69:DC:91:2C: C4:73:68:A8:7E:64:4E
-----BEGIN CERTIFICATE-----
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KoZIhvcNAQELBQADggGBAAoTjLhMyMI9sBM69ORpL/fa0ardlJmrSF935vNbJUOB
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GcHUaciwo6Zg+z+Y9cpDUAvPwY/enqK0cUOvPADq15edKKk/17G+9QL1/fpDePOL
kBA1BUAJiiuYBLAwdvrdtgYSBcJxADLa+z9elk+/vEE1DGu1saeoNh8EdI9+gTZH
19QloINT3FhVg7j8b44doIJtgSi4WEVdzuDN8ahjeAVlkhrNcXoFln5h9ulqkppz
jo4Bcf1J9NJ28jAKXgrRzXof4jb8ENNt6a3Q0hU4wVs+smE6IbMWd4luTZAWJ38P
PAKxrK2DQ06t2C9q7xJsMs4wu2RERZKaOZcoDECdf+Jvug9deuv6Z3grasZoAFwd
H2Mx6jBSsbbsUNXQajFUib1A9qfi0xxUj95b7oRpe/BIOFz1FpqXZNNudHQxOxdg
Cr612E3PXHoNjveoj7Er/A==
-----END CERTIFICATE-----

Cipher: TLS_AES_128_GCM_SHA256 · Checked 2026-11-15T16:15:14+00:00

Server-presented chain · 1 additional certificate

Chain certificate 1

Subject
C=GR O=Hellenic Academic and Research Institutions CA CN=GEANT TLS RSA 1
Issuer
C=GR O=Hellenic Academic and Research Institutions CA CN=HARICA TLS RSA Root CA 2021
Valid from
2025-01-03T11:15:00+00:00
Expires
2039-12-31T11:14:59+00:00
Days remaining
4793
Serial (hex)
14D57BF3692228219A5567FA91651B22
Signature
RSA-SHA256
Public key
RSA 3072

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

5B:67:8D:C4:40:95:A5:28:95:B6:3B:31:F2:72:27:F4:B3:6C:3E:34:74:91:BF:2B:FA:69:18:37:A5:FB:8C:79
Certificate extensions & PEM
basicConstraints
CA:TRUE, pathlen:0
authorityKeyIdentifier
0A:48:23:A6:60:A4:92:0A:33:EA:93:5B:C5:57:EA:25:4D:BD:12:EE
authorityInfoAccess
CA Issuers - URI:http://crt.harica.gr/HARICA-TLS-Root-2021-RSA.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-RSA.crl
subjectKeyIdentifier
86:01:72:3F:8C:A9:70:E2:31:06:53:16:CE:01:5F:5B:79:C8:3C:3B
keyUsage
Digital Signature, Certificate Sign, CRL Sign
-----BEGIN CERTIFICATE-----
MIIGBTCCA+2gAwIBAgIQFNV782kiKCGaVWf6kWUbIjANBgkqhkiG9w0BAQsFADBs
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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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