SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
mask-me.net
SSL/TLS Certificate
SSL/TLS Certificate for mask-me.net
Valid- Issued by (CA)
- Sectigo Limited
- Subject
- *.mask-me.net
- Valid from
- Oct 10, 2025
- Valid until
- Nov 10, 2026 (27 days remaining)
- Public key
- RSA 2048-bit
- Serial
- C1B7D9B35FEA99933B2D1F9787585023
- SHA-256 fingerprint
- 28:4E:D9:F4:5E:A7:DC:6E:63:61:B3:3C:C0:AA:4B:28:D9:FE:3F:54:20:EC:10:42:71:10:4E:06:54:75:65:9C
- Chain
- Sectigo Public Server Authentication CA DV R36 → Sectigo Public Server Authentication Root R46
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 Aug 4, 2026.
Never get surprised by mask-me.net's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch mask-me.net 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.
Free for your first domain: uptime, DNS, and certificate together. No credit card.