Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
zahnarzt-gottron.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-18 02:08:46 UTC · ↺ Refresh
MX Hostnames
- mail.tp3.de
MX Priorities
- mail.tp3.de: 10
A / AAAA Records
- 104.21.12.187 (no PTR)
- 172.67.195.101 (no PTR)
- 2606:4700:3030::6815:cbb (no PTR)
- 2606:4700:3031::ac43:c365 (no PTR)
Mail Server IPs
- 217.19.182.57 ↩ srv01.r-p-it.de
SOA Record
Raw SOA
edna.ns.cloudflare.com dns.cloudflare.com 2398782150 10000 2400 604800 1800
Primary NS (mname)
edna.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398782150
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
piotr.ns.cloudflare.com
edna.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx a ip4:8.8.8.8/32 ip4:217.19.182.60/32 ip4:217.19.182.59/32 ip4:217.19.182.58/32 ip4:217.19.182.57/32 include:agenturserver.de include:mail.tp3.de ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
2 records- SPFv=spf1 mx a ip4:8.8.8.8/32 ip4:217.19.182.60/32 ip4:217.19.182.59/32 ip4:217.19.182.58/32 ip4:217.19.182.57/32 include:agenturserver.de include:mail.tp3.de ~all
- google-site-verification=tlZMjaF40iaQI0YkU9q94nQ4tiHlGv9FMMIqKDxGPQk
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 zahnarzt-gottron.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits