Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
avanta-muenchen.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-25 17:33:10 UTC · ↺ Refresh
MX Hostnames
- d326189.b.ess.de.barracudanetworks.com
- d326189.a.ess.de.barracudanetworks.com
MX Priorities
- d326189.a.ess.de.barracudanetworks.com: 10
- d326189.b.ess.de.barracudanetworks.com: 20
A / AAAA Records
- 188.40.28.28 ↩ www248.your-server.de
Mail Server IPs
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns1.your-server.de postmaster.your-server.de 2026032402 28800 7200 604800 80000
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026032402
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
80000s
Nameservers (NS)
ns3.second-ns.de
ns.second-ns.com
ns1.your-server.de
SPF Record
✓ Strict (-all)
v=spf1 mx a:mail.ftz-bueroservice.de include:spf.ess.de.barracudanetworks.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1;
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- MS=ms59530179
- brevo-code:209f187bce947dc0ac570bd665a65c00
- SPFv=spf1 mx a:mail.ftz-bueroservice.de include:spf.ess.de.barracudanetworks.com -all
- MS=BD09A9019522A6956F4DB37BCFB2B58085B686B5
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 avanta-muenchen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits