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 rote-erde.com

Valid
Issued by (CA)
Let's Encrypt
Subject
www.borussia-dortmund.de
Valid from
Nov 12, 2026
Valid until
Feb 10, 2027 (89 days remaining)
Public key
EC 256-bit
Serial
0691AC0274A2269F27DC6F6E4A8CB809F445
SHA-256 fingerprint
2E:98:54:54:6A:CB:D3:C4:40:AF:2F:E9:D5:D4:66:8F:0A:BE:25:78:75:C9:F0:B9:1F:E7:E3:CC:29:64:F6:90
Chain
YE1 → Root YE → ISRG Root X2 → ISRG Root X1
Subject Alternative Names (76)
ballspielverein-09.de, ballspielverein09.de, borsigplatz.com, borussia--dortmund.de, borussia-dortmund.de, borussia-dortmund.org, borussia-live.com, borussia-online.com, borussia-park.com, borussia-park.de, borussiadortmund.de, borussialive.com, borussialive.de, borussiaonline.com, borussiaonline.de, borussiapark.com, borussiapark.de, bvb09.de, champions-dome.com, fremde-sind-freunde.com, rote-erde.com, roteerde.com, sports-aktuell.de, sports-fussball.de, sports-greatest.de, sports-netradio.de, sportsaktuell.de, sportsfussball.de, sportsnetradio.de, strobelallee.com, strobelallee.de, sued-tribuene.de, suedtribuene.com, westfalen-stadion.de, westfalenstadion-gmbh.com, westfalenstadion-gmbh.de, westfalenstadion.com, westfalenstadion.de, www.ballspielverein-09.de, www.ballspielverein09.de, www.borsigplatz.com, www.borussia--dortmund.de, www.borussia-dortmund.de, www.borussia-dortmund.org, www.borussia-live.com, www.borussia-online.com, www.borussia-park.com, www.borussia-park.de, www.borussiadortmund.de, www.borussialive.com, www.borussialive.de, www.borussiaonline.com, www.borussiaonline.de, www.borussiapark.com, www.borussiapark.de, www.bvb09.de, www.champions-dome.com, www.fremde-sind-freunde.com, www.rote-erde.com, www.roteerde.com, www.sports-aktuell.de, www.sports-fussball.de, www.sports-greatest.de, www.sports-netradio.de, www.sportsaktuell.de, www.sportsfussball.de, www.sportsnetradio.de, www.strobelallee.com, www.strobelallee.de, www.sued-tribuene.de, www.suedtribuene.com, www.westfalen-stadion.de, www.westfalenstadion-gmbh.com, www.westfalenstadion-gmbh.de, www.westfalenstadion.com, www.westfalenstadion.de

Certificate Authority Authorization (CAA)

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

Never get surprised by rote-erde.com's certificate expiring

This is today's certificate. Turn on monitoring and we'll watch rote-erde.com continuously, notifying you the moment anything moves across all three signals:

Certificate monitor showing the issuer, expiry date, chain status, fingerprint, covered names, and a history of a rotation and an expiry warning

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, CNAME, TXT 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.