geruestbau-kaiser.de

Valid Email Server
Domain Lookup › geruestbau-kaiser.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
geruestbau-kaiser.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 02:46:46 UTC · ↺ Refresh

MX Hostnames

  • geruestbaukaiser-de02e.mail.protection.outlook.com

MX Priorities

  • geruestbaukaiser-de02e.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.175.199.9 (no PTR)
  • 2a00:1c98:60:1180::ae99:28c1 (no PTR)

Mail Server IPs

  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.73.28 ↩ mail-am7pr05cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com

SOA Record

Raw SOA sec.mordac.de hostmaster.geruestbau-kaiser.de 1774405795 16384 2048 1048576 2560
Primary NS (mname)
sec.mordac.de
Admin Email (rname)
hostmaster@geruestbau-kaiser.de
Serial
1774405795
Refresh
16384s
Retry
2048s
Expire
1048576s
Minimum TTL
2560s

Nameservers (NS)

sec.mordac.de
pri.mordac.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:78.47.174.121 ip4:185.175.199.9 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com ip4:78.47.174.121 ip4:185.175.199.9 -all
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