Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bonnerwerkstaetten.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-28 13:47:57 UTC · ↺ Refresh
MX Hostnames
- mail.bonnerwerkstaetten.de
MX Priorities
- mail.bonnerwerkstaetten.de: 10
A / AAAA Records
- 136.243.52.46 ↩ h173-vs13.jarmedia.de
Mail Server IPs
- 5.104.111.182 ↩ mail.bonnerwerkstaetten.de
SOA Record
Raw SOA
bonnerwerkstaetten.de laidig\.tanja.bonnerwerkstaetten.de.bonnerwerkstaetten.de 1774705622 300 3600 86400 10800
Primary NS (mname)
bonnerwerkstaetten.de
Admin Email (rname)
laidig\@tanja.bonnerwerkstaetten.de.bonnerwerkstaetten.de
Serial
1774705622
Refresh
300s
Retry
3600s
Expire
86400s
Minimum TTL
10800s
Nameservers (NS)
riegl.jcdn.de
beteigeuze.jcdn.de
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com ip4:5.104.111.182/32 -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1;p=quarantine
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
4 records- google-site-verification=R5OVjbgODK7mJnKKokmtl-muVwcCi_J94seNY3R-7lo
- SPFv=spf1 include:spf.protection.outlook.com ip4:5.104.111.182/32 -all
- apple-domain-verification=czvaVAkq0021UNgE
- 04.07.2023
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 bonnerwerkstaetten.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits