Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
rentamarketer.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-27 20:32:39 UTC · ↺ Refresh
MX Hostnames
- mx2.agenturserver.de
- mx3.agenturserver.de
- mx1.agenturserver.de
- mx4.agenturserver.de
MX Priorities
- mx3.agenturserver.de: 20
- mx4.agenturserver.de: 50
- mx2.agenturserver.de: 10
- mx1.agenturserver.de: 10
A / AAAA Records
- 156.67.235.79 ↩ r24106.agenturserver.it
Mail Server IPs
- 185.15.192.58 ↩ mx3.agenturserver.de
- 185.15.192.59 ↩ mx4.agenturserver.de
- 185.15.192.57 ↩ mx2.agenturserver.de
- 185.15.192.56 ↩ mx1.agenturserver.de
SOA Record
Raw SOA
ns31.infomaniak.com hostmaster.infomaniak.ch 2024060608 10800 3600 605800 3600
Primary NS (mname)
ns31.infomaniak.com
Admin Email (rname)
hostmaster@infomaniak.ch
Serial
2024060608
Refresh
10800s
Retry
3600s
Expire
605800s
Minimum TTL
3600s
Nameservers (NS)
ns32.infomaniak.com
ns31.infomaniak.com
SPF Record
✓ Strict (-all)
v=spf1 include:agenturserver.de -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo DKIM records found for common selectors — 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
2 records- SPFv=spf1 include:agenturserver.de -all
- google-site-verification=UCFw8wVkxXJRgXPMb2UTFsGc9FeOlTdJr1jDTwoPMek
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 rentamarketer.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits