Rank #6,663Updated November 10, 2026
3sat.de
Startseite - 3sat-Mediathek
The site runs on Nginx. Its email security grade is B. Its SSL certificate is issued by Sectigo Limited and is valid for 176 more days.
- Domain age
- —
- Technologies
- 1
- Email security
- B
- SSL days left
- 176
DNS records
| Type | Value | TTL |
|---|---|---|
| A | 91.197.29.51 | 300 |
| MX | mail.zdf.de 10 | 2700 |
| NS | a11-65.akam.net | 2700 |
| NS | a14-66.akam.net | 2700 |
| NS | a22-67.akam.net | 2700 |
| NS | ns02.zdf.de | 2700 |
| NS | a10-64.akam.net | 2700 |
| NS | a1-107.akam.net | 2700 |
| NS | a9-66.akam.net | 2700 |
| NS | ns01.zdf.de | 2700 |
| TXT | MS=ms62964586 | 2700 |
| TXT | _kpdqtx72zvs9unskmfzz2b18yvz6c48 | 2700 |
| TXT | v=spf1 include:spf.mailjet.com include:spf-005ffa01.pphosted.com ip4:91.197.29.200 ip4:91.197.29.81 ip4:194.45.94.190 ~all | 2700 |
Technology stack
Web server
SSL certificate
| Valid | Valid |
|---|---|
| Issuer | GB, Sectigo Public Server Authentication CA DV R36, Sectigo Limited |
| Expires | May 6, 2027 |
| Days remaining | 176 |
| Protocol | TLSv1.2 |
| Names | *.3sat.de, 3sat.de |
Email security
BScore 83/100 across SPF, DMARC, DKIM, MTA-STS and BIMI.
- warnNo MTA-STS: mail sent to you can be downgraded to an unencrypted connection.
- warnNo TLS-RPT record, so you won't hear about failed encrypted deliveries.
- warnNo BIMI record (optional: shows your logo next to your emails in supporting inboxes).
- goodSPF record found.
- goodSPF ends with ~all: servers you have not listed are marked as suspicious (soft fail).
- goodDMARC policy is reject: mail that fails authentication is blocked.
- goodDMARC aggregate reports are sent to mailto:[email protected].
- goodDKIM keys found (selector: default).
- good1 MX record(s) found.
Homepage metadata
| Title | Startseite - 3sat-Mediathek |
|---|---|
| Description | Videos und Livestreams in der 3satMediathek anschauen! Entdecken Sie Dokumentationen, Magazine aus Kultur, Wissenschaft, Gesellschaft und vieles mehr! |
| Language | de |
| Canonical | https://www.3sat.de/ |
| Structured data | Organization, WebSite, WebPage |
| Indexable | Yes |
| Word count | 617 |
About 3sat.de
What technology does 3sat.de use?
We detected 1 technologies on 3sat.de, including Nginx.
Does 3sat.de protect its email with SPF and DMARC?
3sat.de scores 83/100 (grade B) for email security. No MTA-STS: mail sent to you can be downgraded to an unencrypted connection. No TLS-RPT record, so you won't hear about failed encrypted deliveries.
What are the name servers of 3sat.de?
3sat.de uses a11-65.akam.net, a14-66.akam.net, a22-67.akam.net, ns02.zdf.de, a10-64.akam.net, a1-107.akam.net, a9-66.akam.net, ns01.zdf.de.