mum.lu

Valid Email Server
Domain Lookup › mum.lu
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
mum.lu
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-05-21 05:12:14 UTC · ↺ Refresh

MX Hostnames

  • mum-lu.mail.protection.outlook.com

MX Priorities

No priority data.

A / AAAA Records

  • 40.113.101.167

Mail Server IPs

No IPs resolved.

SOA Record

No SOA record found.

Nameservers (NS)

ns1.synergia.lu
ns2.synergia.lu

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:mumdns.net include:secureserver.net include:_spf.createsend.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✓ 3 found
selector1._domainkey
selector2._domainkey
mail._domainkey
✓ Public key: 216 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

12 records
  • facebook-domain-verification=o9kqrou1af5qdkfwzgvzh38mh1n3k3
  • MS=ms87587383
  • google-site-verification=0B8Say0eYnwgv6tddIuor-uAr5pNusVhfCc6cj-9WXo
  • MS=ms30633216
  • pinterest-site-verification=cff34f6cf0269f07531f9f400f89b3fc
  • brevo-code:130a19aead5e3faec83536c94ef99d5c
  • google-site-verification=KDk8c98HSYawMRGBTf8ECLYilYmiOCvqZqA4dYmYlx8
  • anthropic-domain-verification-ktvtye=uI22NbOdalGDuY8puRvVK54A6
  • google-site-verification=7WocyT9f7zFt_yobNmXROvarBuru3nBiuGcGZtrw_J4
  • openai-domain-verification=dv-qZqWGg417lvjEJ9CN6NXVYjq
  • SPFv=spf1 include:spf.protection.outlook.com include:mumdns.net include:secureserver.net include:_spf.createsend.com -all
  • google-site-verification=NVqPF4RRid9j17UG5SWzOK80n_WlFyXwR2CoerMPZ_0
Full email verification for mum.lu

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