butter.de

Valid Email Server
Domain Lookup › butter.de

Domain Overview

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

Checked via [email protected] · 2026-03-20 01:46:27 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 92.205.58.14 ↩ 14.58.205.92.host.secureserver.net

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 52.101.68.3 ↩ mail-db7pr03cu00403.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA nsa0.schlundtech.de dus-accounts.butter.de 2025091202 43200 7200 1209600 600
Primary NS (mname)
nsa0.schlundtech.de
Admin Email (rname)
dus-accounts@butter.de
Serial
2025091202
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

nsa0.schlundtech.de
nsc0.schlundtech.de
nsb0.schlundtech.de
nsd0.schlundtech.de

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

8 records
  • 18fe6459d0974b154bdcaa308fb4ba812add0a9f429fcfa75220f2a6e61a340
  • MS=ms66090927
  • SPFv=spf1 include:spf.protection.outlook.com -all
  • google-gws-recovery-domain-verification=58074729
  • jmt5qa7ke2nknck89n068adfcj
  • google-gws-recovery-domain-verification=49109487
  • 5dqfjj7ovcii1jcq9r44lctvr3
  • google-site-verification=XUQzG5hQUAoHwJOPKlh7jtmGQM6tPvVx6sduc54qH0k
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for butter.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits