Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
bhk-rohrbau.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-22 07:32:40 UTC · ↺ Refresh
MX Hostnames
- d331034.b.ess.de.barracudanetworks.com
- d331034.a.ess.de.barracudanetworks.com
MX Priorities
- d331034.a.ess.de.barracudanetworks.com: 10
- d331034.b.ess.de.barracudanetworks.com: 20
A / AAAA Records
- 136.243.165.62 ↩ www458.your-server.de
Mail Server IPs
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns1020.ui-dns.de hostmaster.1und1.com 2017060149 28800 7200 604800 600
Primary NS (mname)
ns1020.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060149
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns1037.ui-dns.com
ns1020.ui-dns.de
ns1109.ui-dns.org
ns1046.ui-dns.biz
SPF Record
✓ Strict (-all)
v=spf1 ip4:81.209.130.0/23 ip4:185.167.148.144/32 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.sosafe.de include:spf.ess.de.barracudanetworks.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; rua=mailto:[email protected]; ruf=mailto:[email protected];
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
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
3 records- SPFv=spf1 ip4:81.209.130.0/23 ip4:185.167.148.144/32 include:spf.protection.outlook.com include:spf.eu.exclaimer.net include:spf.sosafe.de include:spf.ess.de.barracudanetworks.com -all
- apple-domain-verification=ipOcgDWXlh82Brlj
- MS=ms33125712
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 bhk-rohrbau.de
SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.
No credit card required
Get 1,000 Free Credits