Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
optik-haeckl.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-04-03 11:26:47 UTC · ↺ Refresh
MX Hostnames
- mx-border.agitos.de
MX Priorities
- mx-border.agitos.de: 100
A / AAAA Records
- 52.210.208.94 ↩ ec2-52-210-208-94.eu-west-1.compute.amazonaws.com
- 34.241.191.143 ↩ ec2-34-241-191-143.eu-west-1.compute.amazonaws.com
- 34.248.104.12 ↩ ec2-34-248-104-12.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 159.69.120.40 ↩ mx-border.agitos.de
SOA Record
Raw SOA
ns1.agitos.de sager.agitos.de 2021053100 86400 3600 604800 86400
Primary NS (mname)
ns1.agitos.de
Admin Email (rname)
sager@agitos.de
Serial
2021053100
Refresh
86400s
Retry
3600s
Expire
604800s
Minimum TTL
86400s
Nameservers (NS)
ns1.agitos.de
ns2.agitos.de
SPF Record
✓ Soft Fail (~all)
v=spf1 include:spf.agitos.de +a +mx ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
1 record- SPFv=spf1 include:spf.agitos.de +a +mx ~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 optik-haeckl.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits