SSL/TLS Certificate Lookup

Check a domain's SSL/TLS certificate — who issued it, when it expires, and whether the chain is trusted

SSL/TLS Certificate for tena.at

Valid
Issued by (CA)
DigiCert Inc
Subject
tena.com
Valid from
Apr 16, 2026
Valid until
Oct 31, 2026 (96 days remaining)
Public key
RSA 2048-bit
Serial
033997F17B4003C27EFC22FA590D7DEF
SHA-256 fingerprint
D5:18:A6:B5:EB:E5:B9:96:72:FF:64:FE:5F:87:9D:B0:01:69:5B:0D:26:01:2E:BD:CE:3B:4F:50:DA:1A:FF:09
Chain
DigiCert Global G2 TLS RSA SHA256 2020 CA1 → DigiCert Global Root G2
Subject Alternative Names (87)
api.tena-check.de, master.tena.com, shop.tena.ca, tena-check.de, tena-me.com, tena.at, tena.be, tena.bg, tena.ca, tena.ch, tena.co.jp, tena.co.uk, tena.co.za, tena.com, tena.com.mt, tena.com.tr, tena.de, tena.dk, tena.ee, tena.es, tena.fi, tena.fr, tena.gr, tena.hr, tena.hu, tena.ie, tena.in, tena.it, tena.lt, tena.lv, tena.nl, tena.no, tena.nu, tena.pl, tena.pt, tena.ro, tena.rs, tena.si, tena.sk, tena.ua, tena.us, tenacz.cz, tenaprofessional.com.au, tenaprofessionals.ca, tenaprofessionals.us, www.tena-check.de, www.tena-me.com, www.tena.at, www.tena.be, www.tena.bg, www.tena.ca, www.tena.ch, www.tena.co.jp, www.tena.co.uk, www.tena.co.za, www.tena.com, www.tena.com.mt, www.tena.com.tr, www.tena.de, www.tena.dk, www.tena.ee, www.tena.es, www.tena.fi, www.tena.fr, www.tena.gr, www.tena.hr, www.tena.hu, www.tena.ie, www.tena.in, www.tena.it, www.tena.lt, www.tena.lv, www.tena.nl, www.tena.no, www.tena.nu, www.tena.pl, www.tena.pt, www.tena.ro, www.tena.rs, www.tena.si, www.tena.sk, www.tena.ua, www.tena.us, www.tenacz.cz, www.tenaprofessional.com.au, www.tenaprofessionals.ca, www.tenaprofessionals.us

Certificate Authority Authorization (CAA)

No CAA policy is published for this domain — any certificate authority may issue for it.

Never get surprised by tena.at's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch tena.at 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.

Monitor this certificate free

Free for your first domain: uptime, DNS, and certificate together. No credit card.