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

netatwork.de · 167.235.125.252:443

Verified

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

Subject
C=DE ST=Nordrhein-Westfalen L=Paderborn O=Net at Work GmbH CN=*.netatwork.de
Issuer
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Valid from
2026-05-27T12:56:18+00:00
Expires
2026-12-12T12:56:18+00:00
Days remaining
66
Serial (hex)
7CA7478C9320C14AEE4480D6
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

DNS:*.netatwork.de, DNS:nospamproxy.de, DNS:nospamproxy.com, DNS:*.nospamproxy.com, DNS:*.nospamproxy.de, DNS:netatwork.de

SHA-256 fingerprint

80:2E:98:41:78:A4:B8:47:45:72:3D:50:D9:2E:58:95:9B:9C:9B:81:DC:67:38:05:D7:F2:77:18:60:52:FC:80
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
basicConstraints
CA:FALSE
authorityInfoAccess
CA Issuers - URI:http://secure.globalsign.com/cacert/gsrsaovsslca2018.crt OCSP - URI:http://ocsp.globalsign.com/gsrsaovsslca2018
certificatePolicies
Policy: 1.3.6.1.4.1.4146.1.20 CPS: https://www.globalsign.com/repository/ Policy: 2.23.140.1.2.2
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/gsrsaovsslca2018.crl
subjectAltName
DNS:*.netatwork.de, DNS:nospamproxy.de, DNS:nospamproxy.com, DNS:*.nospamproxy.com, DNS:*.nospamproxy.de, DNS:netatwork.de
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
authorityKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
subjectKeyIdentifier
51:F2:CD:CB:06:43:B6:15:51:DB:66:91:2A:89:88:BC:85:68:5E:91
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : CB:38:F7:15:89:7C:84:A1:44:5F:5B:C1:DD:FB:C9:6E: F2:9A:59:CD:47:0A:69:05:85:B0:CB:14:C3:14:58:E7 Timestamp : May 27 12:56:21.078 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:44:19:70:15:C6:73:42:C5:4A:E4:B4:A3: 15:A4:9D:9C:39:DB:BC:B7:15:5E:A4:0B:60:6D:44:C8: 75:F5:D3:7C:02:21:00:A9:54:82:66:C1:27:21:32:23: CB:78:8D:8B:D1:AC:40:0D:99:A3:A5:64:FC:E6:63:4B: ED:73:B0:0C:CB:F0:98 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 : May 27 12:56:21.072 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:22:08:43:67:27:A6:58:82:F4:31:4C:BE: D0:5E:26:CB:CD:8B:51:35:9E:88:4B:CB:62:A4:0F:08: 40:FE:E3:D1:02:20:1C:4A:6E:10:CC:F6:07:9C:A2:E9: 22:80:9E:CB:8E:A2:3D:9A:E2:F8:04:ED:1F:C2:29:74: E5:29:CE:0A:66:E0 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 : May 27 12:56:21.071 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:53:45:2D:BF:7F:AE:0E:AC:20:98:1D:44: 29:6B:F9:41:E3:59:5D:8F:BF:68:DF:45:79:96:FB:15: 9B:5A:3F:6A:02:20:20:40:AD:72:B5:A0:C7:9C:6B:51: F8:D3:B5:F5:5B:06:55:38:2F:80:FC:27:C8:84:67:9E: 3D:06:D3:55:D5:ED
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-10-06T17:32:45+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=BE O=GlobalSign nv-sa CN=GlobalSign RSA OV SSL CA 2018
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2018-11-21T00:00:00+00:00
Expires
2028-11-21T00:00:00+00:00
Days remaining
776
Serial (hex)
01EE5F221DFC623BD4333A8557
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

B6:76:FF:A3:17:9E:88:12:09:3A:1B:5E:AF:EE:87:6A:E7:A6:AA:F2:31:07:8D:AD:1B:FB:21:CD:28:93:76:4A
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
F8:EF:7F:F2:CD:78:67:A8:DE:6F:8F:24:8D:88:F1:87:03:02:B3:EB
authorityKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
authorityInfoAccess
OCSP - URI:http://ocsp2.globalsign.com/rootr3
crlDistributionPoints
Full Name: URI:http://crl.globalsign.com/root-r3.crl
certificatePolicies
Policy: X509v3 Any Policy CPS: https://www.globalsign.com/repository/
-----BEGIN CERTIFICATE-----
MIIETjCCAzagAwIBAgINAe5fIh38YjvUMzqFVzANBgkqhkiG9w0BAQsFADBMMSAw
HgYDVQQLExdHbG9iYWxTaWduIFJvb3QgQ0EgLSBSMzETMBEGA1UEChMKR2xvYmFs
U2lnbjETMBEGA1UEAxMKR2xvYmFsU2lnbjAeFw0xODExMjEwMDAwMDBaFw0yODEx
MjEwMDAwMDBaMFAxCzAJBgNVBAYTAkJFMRkwFwYDVQQKExBHbG9iYWxTaWduIG52
LXNhMSYwJAYDVQQDEx1HbG9iYWxTaWduIFJTQSBPViBTU0wgQ0EgMjAxODCCASIw
DQYJKoZIhvcNAQEBBQADggEPADCCAQoCggEBAKdaydUMGCEAI9WXD+uu3Vxoa2uP
UGATeoHLl+6OimGUSyZ59gSnKvuk2la77qCk8HuKf1UfR5NhDW5xUTolJAgvjOH3
idaSz6+zpz8w7bXfIa7+9UQX/dhj2S/TgVprX9NHsKzyqzskeU8fxy7quRU6fBhM
abO1IFkJXinDY+YuRluqlJBJDrnw9UqhCS98NE3QvADFBlV5Bs6i0BDxSEPouVq1
lVW9MdIbPYa+oewNEtssmSStR8JvA+Z6cLVwzM0nLKWMjsIYPJLJLnNvBhBWk0Cq
o8VS++XFBdZpaFwGue5RieGKDkFNm5KQConpFmvv73W+eka440eKHRwup08CAwEA
AaOCASkwggElMA4GA1UdDwEB/wQEAwIBhjASBgNVHRMBAf8ECDAGAQH/AgEAMB0G
A1UdDgQWBBT473/yzXhnqN5vjySNiPGHAwKz6zAfBgNVHSMEGDAWgBSP8Et/qC5F
JK5NUPpjmove4t0bvDA+BggrBgEFBQcBAQQyMDAwLgYIKwYBBQUHMAGGImh0dHA6
Ly9vY3NwMi5nbG9iYWxzaWduLmNvbS9yb290cjMwNgYDVR0fBC8wLTAroCmgJ4Yl
aHR0cDovL2NybC5nbG9iYWxzaWduLmNvbS9yb290LXIzLmNybDBHBgNVHSAEQDA+
MDwGBFUdIAAwNDAyBggrBgEFBQcCARYmaHR0cHM6Ly93d3cuZ2xvYmFsc2lnbi5j
b20vcmVwb3NpdG9yeS8wDQYJKoZIhvcNAQELBQADggEBAJmQyC1fQorUC2bbmANz
EdSIhlIoU4r7rd/9c446ZwTbw1MUcBQJfMPg+NccmBqixD7b6QDjynCy8SIwIVbb
0615XoFYC20UgDX1b10d65pHBf9ZjQCxQNqQmJYaumxtf4z1s4DfjGRzNpZ5eWl0
6r/4ngGPoJVpjemEuunl1Ig423g7mNA2eymw0lIYkN5SQwCuaifIFJ6GlazhgDEw
fpolu4usBCOmmQDo8dIm7A9+O4orkjgTHY+GzYZSR+Y0fFukAj6KYXwidlNalFMz
hriSqHKvoflShx8xpfywgVcvzfTO3PYkz6fiNJBonf6q8amaEsybwMbDqKWwIX7e
SPY=
-----END CERTIFICATE-----

Chain certificate 2

Subject
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Issuer
OU=GlobalSign Root CA - R3 O=GlobalSign CN=GlobalSign
Valid from
2009-03-18T10:00:00+00:00
Expires
2029-03-18T10:00:00+00:00
Days remaining
893
Serial (hex)
04000000000121585308A2
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

CB:B5:22:D7:B7:F1:27:AD:6A:01:13:86:5B:DF:1C:D4:10:2E:7D:07:59:AF:63:5A:7C:F4:72:0D:C9:63:C5:3B
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
basicConstraints
CA:TRUE
subjectKeyIdentifier
8F:F0:4B:7F:A8:2E:45:24:AE:4D:50:FA:63:9A:8B:DE:E2:DD:1B:BC
-----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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