SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
wii-u.com
SSL/TLS Certificate
SSL/TLS Certificate for wii-u.com
Hostname mismatch- Issued by (CA)
- DigiCert Inc
- Subject
- *.nintendo.com
- Valid from
- Jun 11, 2026
- Valid until
- Dec 26, 2026 (109 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 0BB5243718542624BDDCDAFDF6C9C7E1
- SHA-256 fingerprint
- 6C:55:88:99:89:65:10:AA:CD:0A:39:BA:1F:6E:C1:39:26:8C:2E:B7:58:A4:19:8B:03:18:69:8A:80:06:DF:E2
- Chain
- DigiCert Global G2 TLS RSA SHA256 2020 CA1 → DigiCert Global Root G2
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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This is today's certificate. Turn on monitoring and we'll watch wii-u.com continuously, notifying you the moment anything moves across all three signals:
Uptime
We visit the site from multiple regions worldwide and email you within minutes if it goes down, with a per-region breakdown so a real outage stands out from a regional blip.
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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