guk-spezialtiefbau.de

Valid Email Server
Domain Lookup › guk-spezialtiefbau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
guk-spezialtiefbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-26 13:55:50 UTC · ↺ Refresh

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MX Hostnames

  • mail.otto-wulff.de

MX Priorities

  • mail.otto-wulff.de: 10

A / AAAA Records

  • 37.202.0.94 (no PTR)

Mail Server IPs

  • 91.26.224.84 ↩ mail.otto-wulff.de

SOA Record

Raw SOA ns01.agenturserver.de support.mittwald.de 1769992309 28800 7200 604800 1801
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1769992309
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
1801s

Nameservers (NS)

ns01.agenturserver.co
ns01.agenturserver.de
ns01.agenturserver.it

SPF Record

✓ Strict (-all)
v=spf1 mx:guk-spezialtiefbau.de a mx:otto-wulff.de include:spf.protection.outlook.com ip4:69.169.227.24 ip4:69.169.227.25 ip4:69.169.228.187 ip4:69.169.228.188 ip4:69.169.228.189 ip4:69.169.228.190 ip4:69.169.228.191 ip4:69.169.228.192 -all
📊 DNS lookups: 4/10
✓ 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

4 records
  • MS=ms73925901
  • SPFv=spf1 mx:guk-spezialtiefbau.de a mx:otto-wulff.de include:spf.protection.outlook.com ip4:69.169.227.24 ip4:69.169.227.25 ip4:69.169.228.187 ip4:69.169.228.188 ip4:69.169.228.189 ip4:69.169.228.190 ip4:69.169.228.191 ip4:69.169.228.192 -all
  • apple-domain-verification=r2QlkdhpkqdmFGvJ
  • cisco-ci-domain-verification=2d97389b5fd02f8495a2882fcda2d0dd5c7a2e1eae85665346d6b1541db73fdc
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