leibniz-zas.de

Valid Email Server
Domain Lookup › leibniz-zas.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
leibniz-zas.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 15:12:04 UTC · ↺ Refresh

MX Hostnames

  • leibnizzas-de01i.mail.protection.outlook.com

MX Priorities

  • leibnizzas-de01i.mail.protection.outlook.com: 0

A / AAAA Records

  • 78.46.138.219 ↩ www367.your-server.de

Mail Server IPs

  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::7 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::7 ↩ mail-db4pr02cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.leibniz-zas.de wartung.leibniz-zas.de 2026020403 3600 1800 604800 3600
Primary NS (mname)
dns1.leibniz-zas.de
Admin Email (rname)
wartung@leibniz-zas.de
Serial
2026020403
Refresh
3600s
Retry
1800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.leibniz-zas.de
dns2.leibniz-zas.de
deneb.dfn.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:85.13.146.62 ip4:62.113.242.81 ip4:78.46.138.219 -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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ 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
  • Leibniz Zentrum Allgemeine Sprachwissenschaft ZAS
  • MS=ms54194043
  • SPFv=spf1 include:spf.protection.outlook.com ip4:85.13.146.62 ip4:62.113.242.81 ip4:78.46.138.219 -all
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 leibniz-zas.de

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

No credit card required
Get 1,000 Free Credits