Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
fiebig-schillings.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 20:42:59 UTC · ↺ Refresh
MX Hostnames
- mail.fiebig-schillings.de
- semiramis.fiebig-schillings.de
MX Priorities
- semiramis.fiebig-schillings.de: 10
- mail.fiebig-schillings.de: 10
A / AAAA Records
- 5.9.162.121 ↩ kdext.regiogate.net
Mail Server IPs
- 87.139.131.99 ↩ semiramis.fiebig-schillings.de
SOA Record
Raw SOA
a.ns14.net technik.regiogate.de 2025090801 10800 3600 604800 10800
Primary NS (mname)
a.ns14.net
Admin Email (rname)
technik@regiogate.de
Serial
2025090801
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
10800s
Nameservers (NS)
b.ns14.net
d.ns14.net
c.ns14.net
a.ns14.net
SPF Record
✓ Strict (-all)
v=spf1 mx -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; aspf=s; adkim=s
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Strict
· DKIM alignment: Strict
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
dkim._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: dkim
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 mx -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 fiebig-schillings.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits