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

TLSv1.2

planeetta.org · 185.179.116.100:443

Verified

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

Subject
CN=www-production.planeetta.fi
Issuer
C=US O=Let's Encrypt CN=YE2
Valid from
2026-08-27T07:03:02+00:00
Expires
2026-11-25T07:03:01+00:00
Days remaining
50
Serial (hex)
06FD20B75260FEE36FA4E53E5EFD06DB9C64
Signature
ecdsa-with-SHA384
Public key
EC 256 prime256v1

Subject alternative names (SAN)

DNS:blog.planeetta.net, DNS:ch5.fi, DNS:ch5finland.com, DNS:ch5finland.fi, DNS:exocloud.fi, DNS:foral.fi, DNS:foral.net, DNS:kapasiteetti.planeetta.net, DNS:neutech.com, DNS:neutech.fi, DNS:planeetta.biz, DNS:planeetta.com, DNS:planeetta.eu, DNS:planeetta.fi, DNS:planeetta.info, DNS:planeetta.mobi, DNS:planeetta.net, DNS:planeetta.org, DNS:sitefactory.fi, DNS:www-production.planeetta.fi, DNS:www.ch5.fi, DNS:www.ch5finland.com, DNS:www.ch5finland.fi, DNS:www.exocloud.fi, DNS:www.foral.fi, DNS:www.foral.net, DNS:www.neutech.com, DNS:www.neutech.fi, DNS:www.planeetta.biz, DNS:www.planeetta.com, DNS:www.planeetta.eu, DNS:www.planeetta.fi, DNS:www.planeetta.info, DNS:www.planeetta.mobi, DNS:www.planeetta.net, DNS:www.planeetta.org, DNS:www.sitefactory.fi

SHA-256 fingerprint

84:D8:0F:95:13:6D:77:71:0D:4C:16:4A:BD:73:7A:3B:C0:F3:14:17:75:0C:E0:9A:7A:95:77:78:F0:D1:F4:4C
Certificate extensions & PEM
keyUsage
Digital Signature
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:FALSE
subjectKeyIdentifier
6C:98:10:C8:24:63:DB:19:D2:1C:0A:69:3E:77:27:07:9E:FB:BB:0D
authorityKeyIdentifier
B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityInfoAccess
CA Issuers - URI:http://ye2.i.lencr.org/
subjectAltName
DNS:blog.planeetta.net, DNS:ch5.fi, DNS:ch5finland.com, DNS:ch5finland.fi, DNS:exocloud.fi, DNS:foral.fi, DNS:foral.net, DNS:kapasiteetti.planeetta.net, DNS:neutech.com, DNS:neutech.fi, DNS:planeetta.biz, DNS:planeetta.com, DNS:planeetta.eu, DNS:planeetta.fi, DNS:planeetta.info, DNS:planeetta.mobi, DNS:planeetta.net, DNS:planeetta.org, DNS:sitefactory.fi, DNS:www-production.planeetta.fi, DNS:www.ch5.fi, DNS:www.ch5finland.com, DNS:www.ch5finland.fi, DNS:www.exocloud.fi, DNS:www.foral.fi, DNS:www.foral.net, DNS:www.neutech.com, DNS:www.neutech.fi, DNS:www.planeetta.biz, DNS:www.planeetta.com, DNS:www.planeetta.eu, DNS:www.planeetta.fi, DNS:www.planeetta.info, DNS:www.planeetta.mobi, DNS:www.planeetta.net, DNS:www.planeetta.org, DNS:www.sitefactory.fi
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://ye2.c.lencr.org/101.crl
ct_precert_scts
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 : Aug 27 08:01:32.635 2026 GMT Extensions: none Signature : ecdsa-with-SHA256 30:46:02:21:00:B8:03:F5:5C:86:B3:83:42:30:82:06: 10:42:87:D6:A5:E2:5A:20:C1:1D:64:B1:0F:82:C8:F5: 79:0B:1E:77:84:02:21:00:98:02:B8:63:CB:EB:06:FA: 8D:BA:64:44:3C:FB:E5:F5:2C:F3:F7:26:4D:D1:54:FA: ED:EF:A1:C9:BB:3D:72:8F Signed Certificate Timestamp: Version : v1 (0x0) Log ID : 6C:FE:50:19:43:A8:5E:A9:16:BC:52:D1:33:E4:DC:C9: 1E:F1:41:1C:7D:25:84:20:D1:73:80:9E:18:18:EB:3A Timestamp : Aug 27 08:01:32.993 2026 GMT Extensions: 00:00:05:00:27:CE:16:62 Signature : ecdsa-with-SHA256 30:45:02:20:28:19:EF:E5:AB:D8:1F:7E:4E:10:41:AC: 22:BE:A5:6A:26:EF:FC:0C:35:66:10:3C:A4:EF:50:4F: 7A:BD:A5:03:02:21:00:A1:B9:5C:89:E6:64:D2:11:F4: F8:91:98:B1:BC:4E:F5:C5:9B:0A:C3:A9:E9:77:D7:04: FA:A4:A6:35:3B:78:00
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Cipher: ECDHE-ECDSA-CHACHA20-POLY1305 · Checked 2026-10-05T23:44:41+00:00

Server-presented chain · 3 additional certificates

Chain certificate 1

Subject
C=US O=Let's Encrypt CN=YE2
Issuer
C=US O=ISRG CN=Root YE
Valid from
2025-09-03T00:00:00+00:00
Expires
2028-09-02T23:59:59+00:00
Days remaining
698
Serial (hex)
4DF3B15DD6C0784C507CD37B58E6F115
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

97:65:8D:E8:C6:8D:FA:98:AC:E1:E5:02:8A:63:D5:4A:1A:AE:91:1B:3E:21:47:10:76:C6:85:0C:D0:8C:BA:B4
Certificate extensions & PEM
keyUsage
Digital Signature, Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE, pathlen:0
subjectKeyIdentifier
B9:59:F2:8E:CF:22:F0:86:D3:37:48:FF:76:14:18:BA:82:D8:55:87
authorityKeyIdentifier
A3:C8:26:5A:8E:A1:4C:D0:35:63:FC:9B:23:C8:3A:AE:56:F3:4F:56
authorityInfoAccess
CA Issuers - URI:http://ye.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://ye.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 2

Subject
C=US O=ISRG CN=Root YE
Issuer
C=US O=Internet Security Research Group CN=ISRG Root X2
Valid from
2026-05-13T00:00:00+00:00
Expires
2032-09-02T23:59:59+00:00
Days remaining
2159
Serial (hex)
872165FC34B6E5FBA8ADD5B3705FB53A
Signature
ecdsa-with-SHA384
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

0F:C0:90:1C:CA:2B:AE:9E:9F:DB:B0:2D:50:D0:2F:10:94:F7:B3:66:72:08:69:91:B9:E8:97:62:6D:C4:85:F0
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
A3:C8:26:5A:8E:A1:4C:D0:35:63:FC:9B:23:C8:3A:AE:56:F3:4F:56
authorityKeyIdentifier
7C:42:96:AE:DE:4B:48:3B:FA:92:F8:9E:8C:CF:6D:8B:A9:72:37:95
authorityInfoAccess
CA Issuers - URI:http://x2.i.lencr.org/
certificatePolicies
Policy: 2.23.140.1.2.1
crlDistributionPoints
Full Name: URI:http://x2.c.lencr.org/ 
-----BEGIN CERTIFICATE-----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-----END CERTIFICATE-----

Chain certificate 3

Subject
C=US O=Internet Security Research Group CN=ISRG Root X2
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
2159
Serial (hex)
6C8F1DC727C7117F7BAF853AC980F9CD
Signature
RSA-SHA256
Public key
EC 384 secp384r1

Subject alternative names (SAN)

No SAN extension was presented.

SHA-256 fingerprint

EE:5F:7A:BD:69:81:BB:02:55:63:2C:D8:F4:92:83:45:1B:4B:18:84:4D:12:04:0B:44:EE:00:F0:7B:8F:E2:C6
Certificate extensions & PEM
keyUsage
Certificate Sign, CRL Sign
extendedKeyUsage
TLS Web Server Authentication, TLS Web Client Authentication
basicConstraints
CA:TRUE
subjectKeyIdentifier
7C:42:96:AE:DE:4B:48:3B:FA:92:F8:9E:8C:CF:6D:8B:A9:72:37:95
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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