Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
hek-brunstorf.de
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-09-04 18:29:31 UTC · ↺ Refresh
MX Hostnames
- d337130.b.ess.de.barracudanetworks.com
- hekbrunstorf-de0i.mail.protection.outlook.com
- d337130.a.ess.de.barracudanetworks.com
MX Priorities
- d337130.b.ess.de.barracudanetworks.com: 10
- d337130.a.ess.de.barracudanetworks.com: 0
- hekbrunstorf-de0i.mail.protection.outlook.com: 99
A / AAAA Records
- 217.160.0.48
- 2001:8d8:100f:f000::200
Mail Server IPs
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
- 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
- 52.101.91.162 ↩ mail-matpr04cu00302.inbound.protection.outlook.com
- 52.101.73.155 ↩ mail-am7pr02cu00203.inbound.protection.outlook.com
- 52.101.68.21 ↩ mail-db4pr02cu00205.inbound.protection.outlook.com
- 2a01:111:f403:c967::a ↩ mail-cpjpr05cu00102.inbound.protection.outlook.com
- 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
- 2a01:111:f403:ca04::8 ↩ mail-db5pr02cu00100.inbound.protection.outlook.com
- 2a01:111:f403:ca09::
SOA Record
Raw SOA
ns1114.ui-dns.com hostmaster.1und1.de 2016042722 28800 7200 604800 300
Primary NS (mname)
ns1114.ui-dns.com
Admin Email (rname)
hostmaster@1und1.de
Serial
2016042722
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s
Nameservers (NS)
ns1114.ui-dns.com
ns1114.ui-dns.biz
ns1114.ui-dns.de
ns1114.ui-dns.org
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all
- MS=ms98319507
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