Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
vonbuddenbrock.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-20 05:04:48 UTC · ↺ Refresh
MX Hostnames
- mx19d.antispameurope.com
- mx19a.antispameurope.com
- mx19c.antispameurope.com
- mx19b.antispameurope.com
MX Priorities
- mx19c.antispameurope.com: 30
- mx19d.antispameurope.com: 40
- mx19a.antispameurope.com: 10
- mx19b.antispameurope.com: 20
A / AAAA Records
- 91.98.195.20 ↩ static.20.195.98.91.clients.your-server.de
Mail Server IPs
- 94.100.132.100 ↩ hsmx01.antispameurope.com
- 83.246.65.85 ↩ hsmx01-hz2.antispameurope.com
SOA Record
Raw SOA
david.ns.cloudflare.com dns.cloudflare.com 2399309688 10000 2400 604800 1800
Primary NS (mname)
david.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399309688
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
david.ns.cloudflare.com
zita.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 include:return-cname.emailsys.net include:spf.hornetsecurity.com include:spf.crsend.com ip4:91.98.195.20 ip4:195.30.231.225 ip4:85.10.196.20 ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 2 found
mail._domainkey
dkim._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: mail
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
8 records- brevo-code:700c59eb1808de1b2d34c93f0c06aa40
- brevo-code:877ebd08e96d11bf714d3e03fd4ada69
- google-site-verification=3k8IimD1ujOPnprTWVV9St3EQj9G65fJ9_1qccyIb2w
- google-site-verification=hHjENt-iAcC8-HFuAefia_QHwVc8a4mTd9gYkOLWdR4
- google-site-verification=sVZm1qFsMxK1wD_BkptV4BXn3pAfYly0kk1VVUqDPys
- SPFv=spf1 include:return-cname.emailsys.net include:spf.hornetsecurity.com include:spf.crsend.com ip4:91.98.195.20 ip4:195.30.231.225 ip4:85.10.196.20 ~all
- MS=ms29348199
- anthropic-domain-verification-7bt3z7=XrBKiFmdtTXd36qLwwY2tTkfs
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 vonbuddenbrock.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits