mrc.de

Valid Email Server
Domain Lookup › mrc.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
mrc.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-30 11:38:44 UTC · ↺ Refresh

MX Hostnames

  • ublrzmrcfw01.mrc.de
  • mx1.mrc.de
  • mrc-de.mail.protection.outlook.com

MX Priorities

  • ublrzmrcfw01.mrc.de: 100
  • mx1.mrc.de: 50
  • mrc-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 212.6.182.210 ↩ web-02.medas-computers.de

Mail Server IPs

  • 5.231.199.45 (no PTR)
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.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:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.nameserver365.de hostmaster.medas-computers.de 2026033002 3600 7200 1209600 86400
Primary NS (mname)
ns1.nameserver365.de
Admin Email (rname)
hostmaster@medas-computers.de
Serial
2026033002
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.nameserver365.de
ns1.nameserver365.de
ns2.nameserver365.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:212.6.182.210 +a +mx +ip4:81.91.20.118/32 +ip4:212.6.177.218/32 +ip4:87.128.107.240/32 +ip4:78.94.4.136/29 +ip4:5.231.199.45/32 include:spf.protection.outlook.com -all
📊 DNS lookups: 3/10
✓ 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=ms79512531
  • SPFv=spf1 ip4:212.6.182.210 +a +mx +ip4:81.91.20.118/32 +ip4:212.6.177.218/32 +ip4:87.128.107.240/32 +ip4:78.94.4.136/29 +ip4:5.231.199.45/32 include:spf.protection.outlook.com -all
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