SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
mtp-schweiz.ch
SSL/TLS Certificate
SSL/TLS Certificate for mtp-schweiz.ch
Valid- Issued by (CA)
- Let's Encrypt
- Subject
- mtp-schweiz.ch
- Valid from
- Jun 29, 2026
- Valid until
- Sep 27, 2026 (50 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 05127E23E779EC36A0550308A725628DFA23
- SHA-256 fingerprint
- 85:01:97:F0:56:DB:E6:82:51:F5:82:AE:3E:E6:BC:02:EA:1B:DE:9C:98:C9:73:78:E6:A3:C5:52:16:FA:9D:A6
- Chain
- YR2 → Root YR → ISRG Root X1
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
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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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