seitenblick.de

Valid Email Server
Domain Lookup › seitenblick.de

Domain Overview

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

Checked via [email protected] · 2026-04-04 17:18:25 UTC · ↺ Refresh

MX Hostnames

  • mxext2.mailbox.org
  • mxext3.mailbox.org
  • mxext1.mailbox.org

MX Priorities

  • mxext1.mailbox.org: 10
  • mxext2.mailbox.org: 10
  • mxext3.mailbox.org: 20

A / AAAA Records

  • 45.144.187.21 (no PTR)

Mail Server IPs

  • 80.241.60.212 ↩ mx1.mailbox.org
  • 2001:67c:2050:104::1:25:1 ↩ mx1.mailbox.org
  • 80.241.60.215 ↩ mx2.mailbox.org
  • 2001:67c:2050:104::2:25:1 ↩ mx2.mailbox.org
  • 80.241.60.216 ↩ mx3.mailbox.org
  • 2001:67c:2050:104::3:25:1 ↩ mx3.mailbox.org

SOA Record

Raw SOA hydrogen.ns.hetzner.com dns.hetzner.com 2025110800 86400 10800 3600000 3600
Primary NS (mname)
hydrogen.ns.hetzner.com
Admin Email (rname)
dns@hetzner.com
Serial
2025110800
Refresh
86400s
Retry
10800s
Expire
3600000s
Minimum TTL
3600s

Nameservers (NS)

hydrogen.ns.hetzner.com
oxygen.ns.hetzner.com
helium.ns.hetzner.de

SPF Record

✓ Strict (-all)
v=spf1 include:mailbox.org -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;ruf=mailto:[email protected];fo=1
✓ Reject — strongest protection
📋 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

3 records
  • SPFv=spf1 include:mailbox.org -all
  • MS=ms58934446
  • google-site-verification=AbB9Rrz_ibV8v-RlIiRrHLEwcqkwWUJOJykOsoau_bo
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