Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
seidel-makarov.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-21 17:01:32 UTC · ↺ Refresh
MX Hostnames
- seidel-makarov.de
MX Priorities
- seidel-makarov.de: 20
A / AAAA Records
- 198.54.132.28 ↩ static-198-54-132-28.cust.tzulo.com
Mail Server IPs
- 198.54.132.28 ↩ static-198-54-132-28.cust.tzulo.com
SOA Record
Raw SOA
shades14.rzone.de hostmaster.strato-rz.de 2024061025 86400 7200 604800 300
Primary NS (mname)
shades14.rzone.de
Admin Email (rname)
hostmaster@strato-rz.de
Serial
2024061025
Refresh
86400s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
shades14.rzone.de
docks07.rzone.de
SPF Record
✓ Soft Fail (~all)
v=spf1 +a +mx +ip4:198.54.132.29 include:relay.mailchannels.net ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
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
1 record- SPFv=spf1 +a +mx +ip4:198.54.132.29 include:relay.mailchannels.net ~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 seidel-makarov.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits