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

dk-hostmaster.dk · 193.163.102.59:443

Verified

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

Subject
CN=dk-hoastmaster.dk
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-09-27T22:39:59+00:00
Expires
2026-12-26T22:39:58+00:00
Days remaining
49
Serial (hex)
0629B8CAD3B17A419FB90175FA42158E2231
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:dk-hoastmaster.dk, DNS:dk-hostemaster.dk, DNS:dk-hostemester.dk, DNS:dk-hostmaster.com, DNS:dk-hostmaster.dk, DNS:dk-hostmaster.eu, DNS:dk-hostmaster.net, DNS:dk-hostmaster.org, DNS:dkhoastmaster.dk, DNS:dkhostmaster.com, DNS:dkhostmaster.dk, DNS:dkhostmaster.eu, DNS:dkhostmaster.net, DNS:dkhostmaster.org, DNS:dkhostmasters.dk, DNS:dkhostmater.dk, DNS:hostmaster.dk, DNS:idmou.dk, DNS:punktumdk.dk, DNS:www.dk-hoastmaster.dk, DNS:www.dk-hostemaster.dk, DNS:www.dk-hostemester.dk, DNS:www.dk-hostmaster.com, DNS:www.dk-hostmaster.dk, DNS:www.dk-hostmaster.eu, DNS:www.dk-hostmaster.net, DNS:www.dk-hostmaster.org, DNS:www.dkhoastmaster.dk, DNS:www.dkhostmaster.com, DNS:www.dkhostmaster.dk, DNS:www.dkhostmaster.eu, DNS:www.dkhostmaster.net, DNS:www.dkhostmaster.org, DNS:www.dkhostmasters.dk, DNS:www.dkhostmater.dk, DNS:www.hostmaster.dk, DNS:www.idmou.dk, DNS:www.punktumdk.dk

SHA-256 fingerprint

66:5F:BD:15:7E:5B:9F:30:E8:79:67:CC:DD:D4:16:7C:BF:86:49:78:87:53:6A:C6:5D:50:28:64:9C:DA:A3:1F
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
54:D3:92:E7:15:29:6F:F7:B4:8A:36:23:CC:E8:69:86:3D:7C:C4:0C
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:dk-hoastmaster.dk, DNS:dk-hostemaster.dk, DNS:dk-hostemester.dk, DNS:dk-hostmaster.com, DNS:dk-hostmaster.dk, DNS:dk-hostmaster.eu, DNS:dk-hostmaster.net, DNS:dk-hostmaster.org, DNS:dkhoastmaster.dk, DNS:dkhostmaster.com, DNS:dkhostmaster.dk, DNS:dkhostmaster.eu, DNS:dkhostmaster.net, DNS:dkhostmaster.org, DNS:dkhostmasters.dk, DNS:dkhostmater.dk, DNS:hostmaster.dk, DNS:idmou.dk, DNS:punktumdk.dk, DNS:www.dk-hoastmaster.dk, DNS:www.dk-hostemaster.dk, DNS:www.dk-hostemester.dk, DNS:www.dk-hostmaster.com, DNS:www.dk-hostmaster.dk, DNS:www.dk-hostmaster.eu, DNS:www.dk-hostmaster.net, DNS:www.dk-hostmaster.org, DNS:www.dkhoastmaster.dk, DNS:www.dkhostmaster.com, DNS:www.dkhostmaster.dk, DNS:www.dkhostmaster.eu, DNS:www.dkhostmaster.net, DNS:www.dkhostmaster.org, DNS:www.dkhostmasters.dk, DNS:www.dkhostmater.dk, DNS:www.hostmaster.dk, DNS:www.idmou.dk, DNS:www.punktumdk.dk
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/50.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 46:AF:86:3D:3B:3E:E5:9F:A5:77:DE:A8:24:5D:36:B0: D9:ED:22:A2:23:F4:61:77:41:22:94:52:EE:95:50:5F Timestamp : Sep 27 23:38:29.535 2026 GMT Extensions: 00:00:05:00:36:DA:18:21 Signature : ecdsa-with-SHA256 30:45:02:20:1E:00:40:88:41:00:A5:9A:89:81:76:8E: 3F:30:01:33:48:56:28:FD:08:E7:9F:A2:EF:23:10:A4: BE:9B:59:D6:02:21:00:E7:32:EA:41:FE:21:AF:64:55: D8:44:52:4E:5B:AA:6E:9C:05:B1:32:15:DB:24:5A:3A: 2A:AF:0C:F2:23:D6:98 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 : Sep 27 23:38:29.604 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:3A:02:18:C9:F4:6C:0D:4E:42:A0:86:F2: 0A:5D:0B:D2:58:6D:73:EB:42:79:2A:7E:ED:90:E1:79: EA:B2:D4:6E:02:20:17:28:60:4D:A7:71:E4:04:48:1E: D8:39:39:BE:19:31:0F:21:34:D8:F3:42:8E:74:7E:57: 9B:8E:B3:09:08:AB
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-07T01:04:49+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
665
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-----
MIIE2zCCAsOgAwIBAgIRAKICU/FfJpHAXcHOE7m8yk4wDQYJKoZIhvcNAQELBQAw
LjELMAkGA1UEBhMCVVMxDTALBgNVBAoTBElTUkcxEDAOBgNVBAMTB1Jvb3QgWVIw
HhcNMjUwOTAzMDAwMDAwWhcNMjgwOTAyMjM1OTU5WjAzMQswCQYDVQQGEwJVUzEW
MBQGA1UEChMNTGV0J3MgRW5jcnlwdDEMMAoGA1UEAxMDWVIxMIIBIjANBgkqhkiG
9w0BAQEFAAOCAQ8AMIIBCgKCAQEAoVi8X2xCYgMXvJxNPKp/oF13UMgmPABB07VC
LNDtoXmt9luEZNJSBV10VyT1Pz6LD8Zq1d2gc43WNl1AdRrj4sEnazbOiz0nPpmG
Bp2hui49oZtDIY6wdKeZAi5BbNU20CH6RSBBMLSQ9cXrH8dxdv4PAJ45ssGML68U
SE3BsjC2a6cAN9L5CgXVIQi5tfNiTPoFZZ3S0OlXqLmmtdV95udWAb5b6e/F49Di
CsH0Y00Ag72BVIb1hzynmKe+X0mERBTtsb3BwmpV9ipeBjMLoR/D9cHxHQCWoi5l
TmXwY015J5rGelz1nZjJuxc2kioaX29XJBnhMkP531rSdG5uMwIDAQABo4HuMIHr
MA4GA1UdDwEB/wQEAwIBhjATBgNVHSUEDDAKBggrBgEFBQcDATASBgNVHRMBAf8E
CDAGAQH/AgEAMB0GA1UdDgQWBBQfLzW+RhSCzUCxrnksVXj699Ro+zAfBgNVHSME
GDAWgBTe51tg0CJtQCh9Pw0B/qS1UrRRlDAyBggrBgEFBQcBAQQmMCQwIgYIKwYB
BQUHMAKGFmh0dHA6Ly95ci5pLmxlbmNyLm9yZy8wEwYDVR0gBAwwCjAIBgZngQwB
AgEwJwYDVR0fBCAwHjAcoBqgGIYWaHR0cDovL3lyLmMubGVuY3Iub3JnLzANBgkq
hkiG9w0BAQsFAAOCAgEA0+zvMq3kHig1ddTmmm+RibTr9/RpX7k4buanMMRqbV/y
IvP82zAHN3mvaw+cASuVsdpd0ikjhr4hnhJQLQOzOp2ccKrsdGOAgo0vddeISFAq
EWEV4lmUM3vFF796up+bSgmJ1u6RupDCMxDgF8M3eLvGuj6L0lu3zkQ0KuQLnKxL
tB0oQqn1Idg5CuuGpMvQzk29Pa3D/qHurc0EIM9SxukQuJqq63lxsYyRQFU8yMBO
hq1w5LbfaWNRrz1uklOfI/pYkAb2E2MTZrAMQkBIE2S8Jt1F8gRc96o/xOsrgvSk
a84AisX6xq1lz1Z7jGvrnXc4TMcjxZTjiTaihcYI1JIXZiLtEMSCa5l3cu8YWd6z
dLRQlqRdclVjuQfNHawRJ6GWlkK0QJosivTKwdBw3KxEtzGo8yMHERbsy57gP1UX
HOMcmZYQC0gtyR3SxfenIM/MxC3Ia2Ypab/kQ/CTnlIn2KQ5JUC6NYrGCbhFN9bp
5lKJStEwCUnLpntcrXk5XVDCNv/5RyWpRThkGOV7GetKkQ0qAY8hCzWK6oqnAhDZ
cjlYVdWfqOw3DIOX6EDNBgAqHarRVxyF9QZdOaXSyPJ0ueD2BYJEBgaCGQ8rAaU/
Qc123V5LTXDZW4CcsPBDyhy4v+c8hClAyw/IkJlfBqxB9D+/wvIMHgECZ4ptP6o=
-----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
2126
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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