SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
doc-richard.com
SSL/TLS Certificate
SSL/TLS Certificate for doc-richard.com
Valid- Issued by (CA)
- Google Trust Services
- Subject
- tls.automattic.com
- Valid from
- Aug 14, 2026
- Valid until
- Nov 12, 2026 (38 days remaining)
- Public key
- EC 256-bit
- Serial
- 63FF4E6B5493CC911313B49213EE4768
- SHA-256 fingerprint
- 28:34:4A:0B:75:5B:EA:70:51:5D:74:5D:6E:F0:D6:36:30:70:39:43:17:C2:A9:56:EA:46:E5:4B:FA:B2:09:2F
- Chain
- WR1 → GTS Root R1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
This certificate has been served since Sep 8, 2026.
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Uptime
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DNS changes
We watch NS, MX, CAA, DNSSEC, CNAME and A/AAAA records, and identify the host, network, and ASN behind them, so a real migration or hijack stands out from routine noise.
TLS certificate
We warn you 30, 14, 7, and 1 days before it expires, and flag it if the issuing authority changes or the certificate is unexpectedly replaced.
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