Domain Overview
DNS: ✓ 10d ago
Checker: ✓ 10d ago
zentrum-fuer-starke-veraenderungen.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-05-23 05:50:59 UTC · ↺ Refresh
MX Hostnames
- mx01.udag.de
- mx00.udag.de
MX Priorities
- mx00.udag.de: 10
- mx01.udag.de: 20
A / AAAA Records
- 116.202.66.59 ↩ server.zentrum-fuer-personaltraining.de
Mail Server IPs
- 62.146.106.39 ↩ mx00.udag.de
- 62.146.106.40 ↩ mx01.udag.de
SOA Record
Raw SOA
ns.udag.de hostmaster.united-domains.de 2024082407 10800 3600 604800 3600
Primary NS (mname)
ns.udag.de
Admin Email (rname)
hostmaster@united-domains.de
Serial
2024082407
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns.udag.org
ns.udag.net
ns.udag.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:_smtp.udag.de ~all
📊 DNS lookups: 1/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 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
3 records- google-site-verification=ERyLtUUvFZWBEV0P2Pg1M7_S-C7XtqKEEaSf1ZyzKu4
- brevo-code:445b90adef633d859de69baa67e987c4
- SPFv=spf1 include:_smtp.udag.de ~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 · Customize →
See demo & docs
Deep verification
Full email verification for zentrum-fuer-starke-veraenderungen.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits