realtech.de

Valid Email Server
Domain Lookup › realtech.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 15:23:23 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 172.66.145.76 (no PTR)
  • 104.20.36.218 (no PTR)
  • 2606:4700:10::6814:24da
  • 2606:4700:10::ac42:914c

Mail Server IPs

  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA anita.ns.cloudflare.com dns.cloudflare.com 2397784836 10000 2400 604800 1800
Primary NS (mname)
anita.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397784836
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

anita.ns.cloudflare.com
vicky.ns.cloudflare.com

SPF Record

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

3 records
  • ca3-79a4848426bf45dc8ba80bea8cfa0578
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • MS=ms67364599
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