oswald.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
oswald.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 14:44:54 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • oswald-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 62.146.189.209 ↩ nh-hosting-web4.nhcloud.de

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::c ↩ mail-as8pr05cu00304.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA node.nhdns.net technik.netzhaut.de 2025121601 10800 3600 604800 3600
Primary NS (mname)
node.nhdns.net
Admin Email (rname)
technik@netzhaut.de
Serial
2025121601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

node.nhdns.net
node.nhdns.eu
node.nhdns.de

SPF Record

✓ Strict (-all)
v=spf1 include:_spf-4.netz-haut.net include:_spf-6.netz-haut.net include:spf.protection.outlook.com include:spf-de.emailsignatures365.com mx -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine;
~ Quarantine — good protection (failing mail goes to spam)
📋 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

5 records
  • MS=ms78620505
  • SPFv=spf1 include:_spf-4.netz-haut.net include:_spf-6.netz-haut.net include:spf.protection.outlook.com include:spf-de.emailsignatures365.com mx -all
  • atlassian-sending-domain-verification=6bcc3f87-4f48-4e2d-815b-1d178b1ff02b
  • atlassian-domain-verification=VpKu6bta3GsYk09Y9KGj3qBtsrShLJhMwMg0fQighGiIW26bEv07B0MStr9BPwo8
  • apple-domain-verification=7VAtolFINU8i2eRk
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