Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gundsberlin.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-30 18:19:45 UTC · ↺ Refresh
MX Hostnames
- firewall.ruwe.de
MX Priorities
- firewall.ruwe.de: 10
A / AAAA Records
- 46.182.19.244 ↩ 244-19-182-46.nbiserv.com
- 46.182.18.167 ↩ nbi-1386.nbiserv.net
- 2a02:2970:1002::2ce2 ↩ ns1.nbiserv.de
Mail Server IPs
- 93.122.64.194 ↩ firewall.ruwe.de
SOA Record
Raw SOA
ns.nbiserv.de hostmaster.nbiserv.de 2023052975 172800 7200 2419200 7200
Primary NS (mname)
ns.nbiserv.de
Admin Email (rname)
hostmaster@nbiserv.de
Serial
2023052975
Refresh
172800s
Retry
7200s
Expire
2419200s
Minimum TTL
7200s
Nameservers (NS)
ns2.nbiserv.de
ns4.nbiserv.de
ns1.nbiserv.de
ns3.nbiserv.de
SPF Record
✓ Strict (-all)
v=spf1 mx ip4:93.122.64.194 ip4:2.59.134.34 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; pct=100; rua=mailto:[email protected],mailto:[email protected]; sp=none; aspf=r; adkim=r;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
↳ Subdomain policy: none
DKIM Selectors
✗ None detectedNo 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 ip4:93.122.64.194 ip4:2.59.134.34 -all
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