rpr1.de

Valid Email Server
Domain Lookup › rpr1.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rpr1.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 23:14:18 UTC · ↺ Refresh

MX Hostnames

  • rpr1-de.mail.protection.outlook.com

MX Priorities

  • rpr1-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 172.67.174.126 (no PTR)
  • 104.21.47.238 (no PTR)
  • 2606:4700:3037::6815:2fee
  • 2606:4700:3033::ac43:ae7e

Mail Server IPs

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

SOA Record

Raw SOA iris.ns.cloudflare.com dns.cloudflare.com 2400063375 10000 2400 604800 1800
Primary NS (mname)
iris.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2400063375
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

iris.ns.cloudflare.com
kanye.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 a:mail01.mmsw.de include:spf.protection.outlook.com -all
📊 DNS lookups: 2/10
✓ 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

8 records
  • MS=ms14934458
  • brave-ledger-verification=c3ff4138354a56cdf4dd68e53172224ad2f5f0800c28054be29975cd6e4ea68d
  • facebook-domain-verification=fvhm1c4cl24xdwvqiqfk1pyn3r8r59
  • google-site-verification=CXaWs-LB2GtUE4hPQOVdeEdacv5arNIAkIuO3wBcezo
  • google-site-verification=KldGSZw6vCB4WmDmFuGMoDigEHTvTcc6ygLHgnMSvLo
  • google-site-verification=QQVOzuU7mPV6-P080w1rsm3iuQDLDoSc-HNikXiBwzo
  • google-site-verification=r18agdK7M7VKiFtA4xctmwJ4cdkaz88iuJlM8I3QHak
  • SPFv=spf1 a:mail01.mmsw.de include:spf.protection.outlook.com -all
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