SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
arita-k.co.jp
SSL/TLS Certificate
SSL/TLS Certificate for arita-k.co.jp
Valid- Issued by (CA)
- Japan Registry Services Co., Ltd.
- Subject
- www.arita-k.co.jp
- Valid from
- Jul 21, 2026
- Valid until
- Oct 17, 2026 (59 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 61BAEEDF53828708F41CDF1FCA7DCE96
- SHA-256 fingerprint
- 94:FB:20:A6:30:B8:A9:0A:46:B2:CD:7A:9B:3E:F2:61:DC:DA:14:84:8B:BF:40:B1:6A:1E:55:7A:6A:9C:6D:97
- Chain
- JPRS DV RSA CA 2024 G1 → SECOM TLS RSA Root CA 2024
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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