Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
gdtfoto.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 20:24:39 UTC · ↺ Refresh
MX Hostnames
- mail.gdtfoto.de
MX Priorities
- mail.gdtfoto.de: 100
A / AAAA Records
- 81.27.166.201 (no PTR)
Mail Server IPs
- 81.27.166.251 ↩ mail.selbstdenker.com
SOA Record
Raw SOA
ns81.domaincontrol.com dns.jomax.net 2026022001 28800 7200 604800 600
Primary NS (mname)
ns81.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026022001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns82.domaincontrol.com
ns81.domaincontrol.com
SPF Record
✓ Soft Fail (~all)
v=spf1 redirect=gdtfoto.de.hosted.spf-report.com
📊 DNS lookups: 1/10
DMARC Record
✓ Reject
v=DMARC1;p=reject;pct=10;rua=mailto:[email protected];ruf=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
⚠ Policy applies to 10% of failing messages only
DKIM Selectors
✓ 1 found
mail._domainkey
✓ Public key: 392 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
2 records- SPFv=spf1 redirect=gdtfoto.de.hosted.spf-report.com
- google-site-verification=VMDfOP7KfwLW9FWm7PPcN2-POKUhDZUw9gFeqToMws0
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 gdtfoto.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits