a-r.de

Valid Email Server
Domain Lookup › a-r.de

Domain Overview

DNS: ✓ 19d ago Checker: ✓ 19d ago
a-r.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-06-04 11:13:36 UTC · ↺ Refresh

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MX Hostnames

  • ar-de0c.mail.protection.outlook.com

MX Priorities

  • ar-de0c.mail.protection.outlook.com: 0

A / AAAA Records

  • 62.116.169.114 ↩ mail.a-r.de

Mail Server IPs

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

SOA Record

Raw SOA nsa6.schlundtech.de szabo.act-and-react.com 2025081800 43200 7200 1209600 600
Primary NS (mname)
nsa6.schlundtech.de
Admin Email (rname)
szabo@act-and-react.com
Serial
2025081800
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

nsd6.schlundtech.de
nsb6.schlundtech.de
nsc6.schlundtech.de
nsa6.schlundtech.de

SPF Record

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

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ p=none — monitoring only, no enforcement
📋 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
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms49602723
  • MS=ms46209114
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