petri-schaub.de

Valid Email Server
Domain Lookup › petri-schaub.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
petri-schaub.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-18 07:00:45 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

  • 217.160.0.81 ↩ 217-160-0-81.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1.your-server.de postmaster.your-server.de 2026012900 86400 1800 3600000 7200
Primary NS (mname)
ns1.your-server.de
Admin Email (rname)
postmaster@your-server.de
Serial
2026012900
Refresh
86400s
Retry
1800s
Expire
3600000s
Minimum TTL
7200s

Nameservers (NS)

ns1.your-server.de
ns3.second-ns.de
ns.second-ns.com

SPF Record

✓ Strict (-all)
v=spf1 a mx include:_spf_eucentral1.prod.hydra.sophos.com ip4:212.227.126.135 include:mout.kundenserver.de -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1;p=none;sp=none;pct=50;adkim=r;aspf=r;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
↳ Subdomain policy: none
⚠ Policy applies to 50% of failing messages only

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=e626abec165e1affb0777be8b3a4c8e7de1bca03
  • SPFv=spf1 a mx include:_spf_eucentral1.prod.hydra.sophos.com ip4:212.227.126.135 include:mout.kundenserver.de -all
  • zone-ownership-verification-55f5546ca7515092e0fd37e06523b2302a0294bce24ca16751760cac2ea4512a
  • MS=ms51506408
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 petri-schaub.de

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

No credit card required
Get 1,000 Free Credits