grund-auf.de

Valid Email Server
Domain Lookup › grund-auf.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
grund-auf.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 21:15:52 UTC · ↺ Refresh

MX Hostnames

  • grundauf-de01c.mail.protection.outlook.com

MX Priorities

  • grundauf-de01c.mail.protection.outlook.com: 0

A / AAAA Records

  • 37.60.200.114 ↩ hst01.rz-owl.de

Mail Server IPs

  • 52.101.68.39 ↩ mail-db7pr03cu00607.inbound.protection.outlook.com
  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::9 ↩ mail-db7pr03cu00601.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::6 ↩ mail-am4pr0401cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com

SOA Record

Raw SOA ns02.rzowl.de it.wistec.gmbh 2026032001 10800 3600 1209600 10800
Primary NS (mname)
ns02.rzowl.de
Admin Email (rname)
it@wistec.gmbh
Serial
2026032001
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s

Nameservers (NS)

ns01.rzowl.de
ns02.rzowl.de
ns03.rzowl.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

3 records
  • MS=ms17784281
  • google-site-verification=rZnaarF7_zaUDK1T6Zd-mjSwKI_DfuNnO0kv1p8blkw
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.emailsignatures365.com -all
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