SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
abba-tech.com
SSL/TLS Certificate
SSL/TLS Certificate for abba-tech.com
Expired- Issued by (CA)
- Let's Encrypt
- Subject
- www.abba-tech.com
- Valid from
- Sep 18, 2024
- Valid until
- Dec 17, 2024 (expired 654 days ago)
- Public key
- RSA 2048-bit
- Serial
- 03206CC6360204C263C1BF46C8E6EAD38730
- SHA-256 fingerprint
- BE:90:70:00:89:A2:60:E4:77:1C:E2:28:D3:84:AB:1E:36:0C:44:88:ED:AB:69:C7:19:1F:CE:AA:54:1A:E1:E2
- Chain
- R10 → 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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