stuerze.de

Valid Email Server
Domain Lookup › stuerze.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
stuerze.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 14:26:02 UTC · ↺ Refresh

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MX Hostnames

  • stuerze-de.mail.protection.outlook.com

MX Priorities

  • stuerze-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 212.83.50.180 ↩ mail.firstweb3.de

Mail Server IPs

  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.91.153 ↩ mail-matpr04cu00101.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::26 ↩ mail-am8pr83cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.first-webway.de info.first-web.de 2025102102 43200 7200 1209600 600
Primary NS (mname)
ns1.first-webway.de
Admin Email (rname)
info@first-web.de
Serial
2025102102
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

ns2.first-webway.de
ns1.first-webway.de
ns3.first-webway.de
ns4.first-webway.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com a ~all
📊 DNS lookups: 2/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=50;adkim=r;aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only

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 a ~all
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