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

amprion.net · 185.60.1.16:443

Verified

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

Subject
CN=www.amprion.net
Issuer
C=US O=Let's Encrypt CN=YR1
Valid from
2026-10-29T05:00:59+00:00
Expires
2027-01-27T05:00:58+00:00
Days remaining
86
Serial (hex)
06528E74264C869D6C63827911186363E20F
Signature
RSA-SHA256
Public key
RSA 3072

Subject alternative names (SAN)

DNS:a-nord.amprion.net, DNS:amprion.net, DNS:analytic.amprion.net, DNS:borgholzhausen.amprion.net, DNS:dam.amprion.net, DNS:netzausbau.amprion.net, DNS:offshore.amprion.net, DNS:rhein-main-link.amprion.net, DNS:static.amprion.net, DNS:ultranet.amprion.net, DNS:www.amprion.net, DNS:www.rhein-main-link.amprion.net

SHA-256 fingerprint

6D:DF:6B:A5:4C:78:CE:32:B0:E6:F3:8E:78:40:54:AC:ED:6C:81:B2:B6:7B:A2:78:FA:26:75:B1:5A:E4:D9:10
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
34:5E:36:8B:3A:E3:3B:E4:3E:E6:41:8C:F0:C5:32:F1:84:2C:03:0B
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:a-nord.amprion.net, DNS:amprion.net, DNS:analytic.amprion.net, DNS:borgholzhausen.amprion.net, DNS:dam.amprion.net, DNS:netzausbau.amprion.net, DNS:offshore.amprion.net, DNS:rhein-main-link.amprion.net, DNS:static.amprion.net, DNS:ultranet.amprion.net, DNS:www.amprion.net, DNS:www.rhein-main-link.amprion.net
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr1.c.lencr.org/16.crl
ct_precert_scts
Signed Certificate Timestamp: Version : v1 (0x0) Log ID : D6:D5:8D:A9:D0:17:53:F3:6A:4A:A0:C7:57:49:02:AF: EB:C7:DC:2C:D3:8C:D9:F7:64:C8:0C:89:19:1E:9F:02 Timestamp : Oct 29 05:59:29.190 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:44:02:20:42:01:B7:6E:52:C2:6E:7D:E7:05:37:29: FF:6E:0E:A1:D4:64:0B:EE:6D:06:9B:60:12:B1:28:9D: 42:43:9C:6F:02:20:6D:BC:70:F9:9E:4E:A9:78:09:03: CE:A2:56:44:D7:87:27:66:C5:CD:D9:DD:59:6B:69:13: 30:D7:F7:54:46:99 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 29 05:59:29.972 2026 GMT Extensions: 00:00:05:00:31:A8:9C:CE Signature : ecdsa-with-SHA256 30:46:02:21:00:A1:DA:6A:11:EC:F7:EB:42:97:A7:89: AF:CC:D2:7D:BE:64:9D:88:24:1A:F5:7F:FF:7D:7A:B5: D6:49:6D:4C:C5:02:21:00:9B:E4:77:BF:8D:9E:F1:54: 6E:87:D8:CC:76:CB:BF:71:48:37:6D:0B:6B:73:B5:17: 26:CF:F7:3F:EA:91:A1:7E
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-11-01T21:49:40+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
671
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
2132
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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