emailforschung.de

Valid Email Server
Domain Lookup › emailforschung.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
emailforschung.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-03 06:30:58 UTC · ↺ Refresh

MX Hostnames

  • mx.roessner-net.de

MX Priorities

  • mx.roessner-net.de: 10

A / AAAA Records

  • 109.230.254.230 ↩ node1.roessner-net.de
  • 2a05:bec0:28:1:109:230:254:230 ↩ node1.roessner-net.de

Mail Server IPs

  • 109.230.254.232 ↩ mx.roessner-net.de
  • 2a05:bec0:28:1:109:230:254:232 ↩ mx.roessner-net.de

SOA Record

Raw SOA ns1.roessner-net.de hostmaster.roessner-net.de 2026020210 10800 3600 604800 3600
Primary NS (mname)
ns1.roessner-net.de
Admin Email (rname)
hostmaster@roessner-net.de
Serial
2026020210
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns1.roessner-net.de
ns2.roessner-net.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:134.255.226.247/32 ip4:134.255.226.249/32 ip6:2a05:bec0:28:1:134:255:226:247/128 ip6:2a05:bec0:28:1:134:255:226:249/128 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject; sp=reject; adkim=s; aspf=s; rua=mailto:[email protected]; rf=afrf; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Strict · DKIM alignment: Strict
📧 Reports → mailto:[email protected]
↳ Subdomain policy: reject

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 mx ip4:134.255.226.247/32 ip4:134.255.226.249/32 ip6:2a05:bec0:28:1:134:255:226:247/128 ip6:2a05:bec0:28:1:134:255:226:249/128 -all
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