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

registre.bf · 196.28.242.229:443

Verified
The certificate expires within 30 days.

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

Subject
CN=registre.bf
Issuer
C=US O=Let's Encrypt CN=YR2
Valid from
2026-07-12T14:29:32+00:00
Expires
2026-10-10T14:29:31+00:00
Days remaining
16
Serial (hex)
05419BE79BA2455E80B1D845EF36DE960B57
Signature
RSA-SHA256
Public key
RSA 4096

Subject alternative names (SAN)

DNS:registre.bf, DNS:www.registre.bf

SHA-256 fingerprint

3E:95:A8:75:08:80:43:D2:EF:A2:13:5C:CD:F9:37:65:79:5A:E6:93:A4:A0:CC:7D:D5:21:1D:BD:2E:8F:BA:EF
Certificate extensions & PEM
keyUsage
Digital Signature, Key Encipherment
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
02:48:41:5F:82:6C:90:11:F0:A6:21:09:8B:8F:D4:E5:72:18:A0:FA
authorityKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
authorityInfoAccess
CA Issuers - URI:http://yr2.i.lencr.org/
subjectAltName
DNS:registre.bf, DNS:www.registre.bf
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://yr2.c.lencr.org/88.crl
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 : Jul 12 15:28:03.163 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:45:02:20:47:E8:8C:A3:B3:2E:2C:57:31:90:8E:99: 4E:EC:F5:E8:17:2D:76:F4:66:E1:E4:B4:F4:24:4E:85: B5:82:D3:A3:02:21:00:EC:99:65:1B:22:99:EB:3F:4B: 35:D4:B5:C0:C0:4D:0E:A3:43:9F:6D:53:B6:30:AC:71: EA:6C:94:7C:B8:E5:33 Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 26:E3:64:6E:58:69:21:23:BC:34:3F:47:24:35:9B:37: 92:CD:24:5A:88:D8:15:D3:93:33:FD:99:18:AB:47:23 Timestamp : Jul 12 15:28:02.297 2026 GMT Extensions: 00:00:05:00:28:64:2D:A9 Signature : ecdsa-with-SHA256 30:45:02:20:08:03:3A:EF:8C:16:3D:07:23:74:6B:C2: B7:CF:D1:08:F2:20:C1:03:F3:05:97:41:4E:65:C3:3F: 4E:D3:FB:27:02:21:00:E9:E4:B0:E5:BD:37:4A:97:20: 99:D9:E6:FF:F8:8A:0C:5A:18:4F:43:9C:12:7B:2B:CD: 6F:FB:EF:3B:89:4F:74
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: TLS_AES_256_GCM_SHA384 · Checked 2026-09-23T23:29:14+00:00

Server-presented chain · 2 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YR2
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
710
Serial (hex)
4EBD24947E24D394802D84A52FD5B319
Signature
RSA-SHA256
Public key
RSA 2048

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

23:8B:85:A0:09:9C:65:B9:70:47:7D:57:24:F1:A1:D4:75:CE:50:58:CF:FE:4E:FA:87:33:89:9B:DB:86:3C:47
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
40:15:2D:26:79:ED:32:20:9E:DF:9A:72:1D:D6:32:1F:81:0C:81:0C
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
2171
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

Registration / WHOIS →DNS records →