Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
alt-bauunternehmung.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-03-19 22:32:30 UTC ยท โบ Refresh
MX Hostnames
- mail.alt-bauunternehmung.de
MX Priorities
- mail.alt-bauunternehmung.de: 10
A / AAAA Records
- 46.229.45.30 โฉ d313.x-mailer.de
Mail Server IPs
- 46.229.45.30 โฉ d313.x-mailer.de
SOA Record
Raw SOA
ns3.nsentry.de hostmaster.alt-bauunternehmung.de 2017012600 86400 7200 3600000 172800
Primary NS (mname)
ns3.nsentry.de
Admin Email (rname)
hostmaster@alt-bauunternehmung.de
Serial
2017012600
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s
Nameservers (NS)
ns3.nsentry.de
ns4.nsentry.de
SPF Record
โ Strict (-all)
v=spf1 mx include:spf1.x-mailer.de include:spf2.x-mailer.de -all
๐ DNS lookups: 3/10
โ Hard fail (-all) โ strict enforcement
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ None detectedNo DKIM records found for common selectors โ 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
1 record- SPFv=spf1 mx include:spf1.x-mailer.de include:spf2.x-mailer.de -all
Free ยท No signup required
Add email validation to your forms
Block disposable emails, validate MX records, detect role accounts โ unlimited, forever free.
<script src="https://check.verifyswift.com/"></script>
One line of code ยท Works on any site
See demo & docs
Deep verification
Full email verification for alt-bauunternehmung.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits