rsdtechnik.de

Valid Email Server
Domain Lookup › rsdtechnik.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
rsdtechnik.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-05-21 01:07:57 UTC · ↺ Refresh

MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

No priority data.

A / AAAA Records

  • 217.160.0.31

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns1029.ui-dns.biz
ns1029.ui-dns.org
ns1029.ui-dns.de
ns1029.ui-dns.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf_eucentral1.prod.hydra.sophos.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • SPFv=spf1 include:_spf_eucentral1.prod.hydra.sophos.com -all
  • sophos-domain-verification=24122c99172cd36afc6c79a158d4dd03bcce6d1b
  • MS=ms71434412
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