witter-gmbh.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
witter-gmbh.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-04-01 18:21:00 UTC · ↺ Refresh

MX Hostnames

  • wittergmbh-de01e.mail.protection.outlook.com

MX Priorities

  • wittergmbh-de01e.mail.protection.outlook.com: 10

A / AAAA Records

  • 185.60.251.251 (no PTR)

Mail Server IPs

  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.pns.de postmaster.pns.de 2022060102 28800 7200 604800 3600
Primary NS (mname)
ns1.pns.de
Admin Email (rname)
postmaster@pns.de
Serial
2022060102
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns3.pns.de
ns1.pns.de
ns2.pns.de
ns4.pns.de

SPF Record

✓ Strict (-all)
v=spf1 mx include:spf.websale.net ip6:2a0b:33c0:2:94:10:10:232:5 include:spf.protection.outlook.com include:spf.hartl-edv.de -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

2 records
  • MS=ms41287856
  • SPFv=spf1 mx include:spf.websale.net ip6:2a0b:33c0:2:94:10:10:232:5 include:spf.protection.outlook.com include:spf.hartl-edv.de -all
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