dorring-trennwaende.de

Valid Email Server
Domain Lookup › dorring-trennwaende.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
dorring-trennwaende.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 02:35:51 UTC · ↺ Refresh

MX Hostnames

  • mx1.rt.cmo.de
  • mx0.rt.cmo.de

MX Priorities

  • mx1.rt.cmo.de: 10
  • mx0.rt.cmo.de: 10

A / AAAA Records

  • 185.58.213.31 (no PTR)

Mail Server IPs

  • 81.90.33.50 ↩ smtp5.rt.cmo.de
  • 2001:4ce0::2:0:0:0:34 ↩ smtp5.rt.cmo.de

SOA Record

Raw SOA ns6.cmo.de sommer.cmo.de 2023050905 10800 1800 1209600 180
Primary NS (mname)
ns6.cmo.de
Admin Email (rname)
sommer@cmo.de
Serial
2023050905
Refresh
10800s
Retry
1800s
Expire
1209600s
Minimum TTL
180s

Nameservers (NS)

ns7.cmo.de
ns6.cmo.de

SPF Record

✓ Strict (-all)
v=spf1 ip4:81.90.32.0/20 ip6:2001:4ce0::/32 -all
📊 DNS lookups: 0/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 ip4:81.90.32.0/20 ip6:2001:4ce0::/32 -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 dorring-trennwaende.de

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

No credit card required
Get 1,000 Free Credits