format-tresorbau.de

Valid Email Server
Domain Lookup › format-tresorbau.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
format-tresorbau.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-21 08:45:20 UTC · ↺ Refresh

MX Hostnames

  • mx-02-eu-central-1.prod.hydra.sophos.com
  • mx-01-eu-central-1.prod.hydra.sophos.com

MX Priorities

  • mx-02-eu-central-1.prod.hydra.sophos.com: 20
  • mx-01-eu-central-1.prod.hydra.sophos.com: 10

A / AAAA Records

  • 81.169.145.160 ↩ wa0.rzone.de
  • 2a01:238:20a:202:1160:: ↩ wa0.rzone.de

Mail Server IPs

  • 18.159.237.67 ↩ ec2-18-159-237-67.eu-central-1.compute.amazonaws.com
  • 52.57.79.230 ↩ ec2-52-57-79-230.eu-central-1.compute.amazonaws.com

SOA Record

Raw SOA shades01.rzone.de hostmaster.strato-rz.de 2020051378 86400 7200 604800 300
Primary NS (mname)
shades01.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2020051378
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

docks06.rzone.de
shades01.rzone.de

SPF Record

✓ Strict (-all)
v=spf1 a mx mx:mail.format-tresorbau.de ip4:80.151.60.183 include:_spf.strato.com include:_spf.prod.hydra.sophos.com -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

~ Quarantine
v=DMARC1; p=quarantine; rua=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

4 records
  • sophos-domain-verification=ce259a8683e05e1a18dd289825a2a4560c91dd3db267e78788b27642d5692d8a
  • sophos-domain-verification=d39db43cbf773e11786bb752bb42e1f5fa3d4fcb
  • MS=ms28268022
  • SPFv=spf1 a mx mx:mail.format-tresorbau.de ip4:80.151.60.183 include:_spf.strato.com include:_spf.prod.hydra.sophos.com -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
See demo & docs
Deep verification
Full email verification for format-tresorbau.de

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits