blup.de

Valid Email Server
Domain Lookup › blup.de

Domain Overview

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

Checked via [email protected] · 2026-03-30 09:34:07 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • blup-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 78.46.9.131 ↩ dedi1631.your-server.de

Mail Server IPs

  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.36 ↩ mail-db5pr02cu00104.inbound.protection.outlook.com
  • 52.101.73.22 ↩ mail-am7pr05cu00106.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::2 ↩ mail-am0pr83cu00402.inbound.protection.outlook.com

SOA Record

Raw SOA ns1115.ui-dns.org hostmaster.1und1.de 2017020233 28800 7200 604800 300
Primary NS (mname)
ns1115.ui-dns.org
Admin Email (rname)
hostmaster@1und1.de
Serial
2017020233
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1115.ui-dns.com
ns1115.ui-dns.biz
ns1115.ui-dns.de
ns1115.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 mx a include:spf.protection.outlook.com include:remote.blup.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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=ms88963847
  • SPFv=spf1 mx a include:spf.protection.outlook.com include:remote.blup.de -all
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