hugduisburg.de

Valid Email Server
Domain Lookup › hugduisburg.de

Domain Overview

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

Checked via [email protected] · 2026-03-23 21:23:13 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.215.250 ↩ h04.iok.net

Mail Server IPs

  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.iok.net server-providing.iok.net 2026021307 10800 3600 1209600 10800
Primary NS (mname)
ns01.iok.net
Admin Email (rname)
server-providing@iok.net
Serial
2026021307
Refresh
10800s
Retry
3600s
Expire
1209600s
Minimum TTL
10800s

Nameservers (NS)

ns04.iok.de
ns03.iok.net
ns02.iok.net
ns01.iok.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; pct=100; adkim=r; aspf=r
~ 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

2 records
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms50114728
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