guetelhoefer.com

Valid Email Server
Domain Lookup › guetelhoefer.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
guetelhoefer.com
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-19 13:45:25 UTC · ↺ Refresh

MX Hostnames

  • mail.guetelhoefer.com

MX Priorities

  • mail.guetelhoefer.com: 10

A / AAAA Records

  • 172.66.144.158 (no PTR)
  • 104.20.27.124 (no PTR)
  • 2606:4700:10::ac42:909e (no PTR)
  • 2606:4700:10::6814:1b7c (no PTR)

Mail Server IPs

  • 195.201.252.252 ↩ mail.guetelhoefer.com
  • 2a01:4f8:c0c:cf1f:195:201:252:252 ↩ mail.guetelhoefer.com

SOA Record

Raw SOA eleanor.ns.cloudflare.com dns.cloudflare.com 2399187262 10000 2400 604800 1800
Primary NS (mname)
eleanor.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399187262
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

eleanor.ns.cloudflare.com
lou.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.onoffice.de mx -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; aspf=s;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Strict · 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
  • ca3-4b79eeec447d4094a4bc8528c5a2633a
  • SPFv=spf1 include:_spf.onoffice.de mx -all
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