hfwu.de

Valid Email Server
Domain Lookup › hfwu.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 21:40:39 UTC · ↺ Refresh

MX Hostnames

  • mx2.belwue.de
  • mx3.belwue.de
  • mx1.belwue.de
  • mx4.belwue.de

MX Priorities

  • mx2.belwue.de: 20
  • mx1.belwue.de: 20
  • mx3.belwue.de: 20
  • mx4.belwue.de: 20

A / AAAA Records

  • 185.243.132.211 ↩ r33286.agenturserver.it
  • 2a03:2a00:1800:2::ac12:2ba7 ↩ r33286.agenturserver.it

Mail Server IPs

  • 129.143.76.2 ↩ mail-in02.belwue.de
  • 2001:7c0::76:0:0:0:2 ↩ mail-in02.belwue.de
  • 129.143.76.1 ↩ mail-in01.belwue.de
  • 2001:7c0::76:0:0:0:1 ↩ mail-in01.belwue.de
  • 129.143.76.3 ↩ mail-in03.belwue.de
  • 2001:7c0::76:0:0:0:3 ↩ mail-in03.belwue.de
  • 129.143.76.4 ↩ mail-in04.belwue.de
  • 2001:7c0::76:0:0:0:4 ↩ mail-in04.belwue.de

SOA Record

Raw SOA dns.hfwu.de hostmaster.hfwu.de 2026032402 21600 1800 2419200 86400
Primary NS (mname)
dns.hfwu.de
Admin Email (rname)
hostmaster@hfwu.de
Serial
2026032402
Refresh
21600s
Retry
1800s
Expire
2419200s
Minimum TTL
86400s

Nameservers (NS)

dns3.belwue.de
dns1.belwue.de

SPF Record

✓ Strict (-all)
v=spf1 a:email-delivery.de mx:email-delivery.de include:email-delivery.de include:_spf.belwue.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; pct=100; adkim=r; aspf=r
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 1 found
mail._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: mail

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

All TXT Records

4 records
  • google-site-verification=1Ll7pQr13U0KvaOJIT-gdYUdAJ_H5pgxRqb567je8ik
  • SPFv=spf1 a:email-delivery.de mx:email-delivery.de include:email-delivery.de include:_spf.belwue.de -all
  • zIbo1jkwgRdE8cIhejpBobyjH3sLQN6SPTRzEf7g4Kp8ZyK046VVZtaXvEg/ncJ7Nm7VWMyMbxPbg8+hioS2LA==
  • MS=726B73C1FC1408870FA985D118FA11B2512F4374
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