sst.de

Valid Email Server
Domain Lookup › sst.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
sst.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 18:58:19 UTC · ↺ Refresh

MX Hostnames

  • mx.iks-jena.de

MX Priorities

  • mx.iks-jena.de: 10

A / AAAA Records

  • 217.160.0.60 ↩ 217-160-0-60.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2c3 ↩ 2001-08d8-100f-f000-0000-0000-0000-02c3.elastic-ssl.ui-r.com

Mail Server IPs

  • 217.17.192.67 ↩ excalibur.iks-jena.de
  • 2001:4bd8::17 ↩ excalibur.iks-jena.de

SOA Record

Raw SOA ns.udag.de hostmaster.united-domains.de 2024011821 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024011821
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns.udag.net
ns.udag.org
ns.udag.de

SPF Record

✓ Strict (-all)
v=spf1 a mx a:exchange.sst.de a:mail.indiwa.de include:spf.mail.iks-jena.de -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No DKIM records found for common selectors — your provider may use a custom selector name.

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

1 record
  • SPFv=spf1 a mx a:exchange.sst.de a:mail.indiwa.de include:spf.mail.iks-jena.de -all
Full email verification for sst.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits