Domain Overview
DNS: โ 2mo ago
Checker: โ 2mo ago
ktp-architekten.de
Yes
โ Yes
Unknown
No
No
โ Yes
No
No
Checked via [email protected]
ยท 2026-04-01 00:42:41 UTC ยท โบ Refresh
MX Hostnames
- mail.ktp-architekten.de
MX Priorities
- mail.ktp-architekten.de: 10
A / AAAA Records
- 31.220.121.237 (no PTR)
Mail Server IPs
- 80.147.41.29 โฉ mx.ktp-architekten.de
SOA Record
Raw SOA
ns01.agenturserver.de support.mittwald.de 1756071340 28800 7200 604800 3600
Primary NS (mname)
ns01.agenturserver.de
Admin Email (rname)
support@mittwald.de
Serial
1756071340
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns01.agenturserver.it
ns01.agenturserver.co
ns01.agenturserver.de
SPF Record
โ MissingNo SPF record โ domain is unprotected against spoofing.
โ No SPF record found. Email servers cannot verify authorized senders.
DMARC Record
โ MissingNo DMARC record โ emails cannot be rejected on auth failure.
DKIM Selectors
โ 1 found
s1._domainkey
โ Public key: 392 chars (valid)
โ DKIM properly configured for selector: s1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- facebook-domain-verification=4s9qj6c419iaxc36xtn8koopw9u1j8
- e9473ff9ea334dc456fb9efddd3d0058
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 ktp-architekten.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits