sievertsen.de

Valid Email Server
Domain Lookup › sievertsen.de

Domain Overview

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

Checked via [email protected] · 2026-03-25 10:54:27 UTC · ↺ Refresh

MX Hostnames

  • www.fx5.de

MX Priorities

  • www.fx5.de: 10

A / AAAA Records

  • 88.198.43.167 ↩ static.88-198-43-167.clients.your-server.de
  • 2a01:4f8:a0:1262:23:: (no PTR)

Mail Server IPs

  • 176.9.25.120 ↩ static.120.25.9.176.clients.your-server.de

SOA Record

Raw SOA ns1.first-ns.de dns.hetzner.com 2026021605 14400 1800 604800 86400
Primary NS (mname)
ns1.first-ns.de
Admin Email (rname)
dns@hetzner.com
Serial
2026021605
Refresh
14400s
Retry
1800s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

robotns3.second-ns.com
ns1.first-ns.de
robotns2.second-ns.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:_spf.protonmail.ch ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

2 records
  • SPFv=spf1 include:_spf.protonmail.ch ~all
  • protonmail-verification=f8d5a227e431de9c36f0b4642ca1f8305c5bfb5a
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