SSL/TLS Certificate Lookup
Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted
asm-air.com
SSL/TLS Certificate
SSL/TLS Certificate for asm-air.com
Hostname mismatch- Issued by (CA)
- Microsoft Corporation
- Subject
- *.azurewebsites.net
- Valid from
- Aug 27, 2026
- Valid until
- Dec 5, 2026 (91 days remaining)
- Public key
- RSA 2048-bit
- Serial
- 5500BD698EE3AF97D0FD551279000000BD698E
- SHA-256 fingerprint
- 1C:3A:71:8A:E4:34:15:11:86:2E:5C:C2:DD:F0:E3:72:40:FF:E0:49:EC:B5:BF:E3:6D:86:9C:17:66:86:87:6B
- Chain
- Microsoft TLS G2 RSA CA OCSP 16 → Microsoft TLS RSA Root G2 → DigiCert Global Root G2
Certificate Authority Authorization (CAA)
No CAA policy is published for this domain — any certificate authority may issue for it.
Never get surprised by asm-air.com's certificate expiring
This is today's certificate. Turn on monitoring and we'll watch asm-air.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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