pfr-breuer.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
pfr-breuer.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 14:02:32 UTC · ↺ Refresh

MX Hostnames

  • pfrbreuer-de0i.mail.protection.outlook.com

MX Priorities

  • pfrbreuer-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 188.68.47.244 ↩ a2ff4.netcup.net
  • 2a03:4000:30:69ae::12:7157 (no PTR)

Mail Server IPs

  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.12 ↩ mail-am4pr0401cu00104.inbound.protection.outlook.com
  • 52.101.68.8 ↩ mail-du0pr03cu00100.inbound.protection.outlook.com
  • 52.101.73.6 ↩ mail-am6pr04cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::e ↩ mail-am7pr05cu00206.inbound.protection.outlook.com
  • 2a01:111:f403:ca09:: ↩ mail-am3pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::4 ↩ mail-am0pr04cu00504.inbound.protection.outlook.com

SOA Record

Raw SOA root-dns.netcup.net dnsadmin.netcup.net 2025070440 28800 7200 1209600 3600
Primary NS (mname)
root-dns.netcup.net
Admin Email (rname)
dnsadmin@netcup.net
Serial
2025070440
Refresh
28800s
Retry
7200s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

root-dns.netcup.net
third-dns.netcup.net
second-dns.netcup.net

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.webhosting.systems -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1; p=reject
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=9aNXYUMkcZJSG5nvsF1vYbKiZngwFnr0FlbsjP7anuY
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.webhosting.systems -all
  • google-site-verification=ys7AfbyVj_7QEdHBB5Jskmj7pR327bFFHoZ4cfophBQ
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