helenenberg.de

Valid Email Server
Domain Lookup › helenenberg.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
helenenberg.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 01:44:54 UTC · ↺ Refresh

MX Hostnames

  • mx2-eu.emailsecurity.app
  • mx1-eu.emailsecurity.app

MX Priorities

  • mx2-eu.emailsecurity.app: 10
  • mx1-eu.emailsecurity.app: 5

A / AAAA Records

  • 135.181.6.80 ↩ server8.donbosco.de

Mail Server IPs

  • 4.245.183.72 ↩ mx1-eu.emailsecurity.app
  • 132.164.188.153 ↩ mx2-eu.emailsecurity.app

SOA Record

Raw SOA nsa9.schlundtech.de domain.donbosco.de 2025091105 43200 7200 1209600 86400
Primary NS (mname)
nsa9.schlundtech.de
Admin Email (rname)
domain@donbosco.de
Serial
2025091105
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

nsd9.schlundtech.de
nsa9.schlundtech.de
nsb9.schlundtech.de
nsc9.schlundtech.de

SPF Record

✓ Strict (-all)
v=spf1 a mx mx:donbosco.de ip4:54.229.2.165 ip4:52.30.130.201 ip4:52.17.45.98 ip4:52.16.190.81 ip4:34.252.12.130 ip4:52.30.8.165 ip6:2a01:4f8:191:83b0::2 include:_spf.ng-networks.net include:spf.scanscope.net include:spf1.emailsecurity.app -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✓ Reject
v=DMARC1;p=reject;pct=100;adkim=r;aspf=r;fo=1;rua=mailto:[email protected]
✓ Reject — strongest protection
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

DKIM Selectors

✗ None detected

No 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

4 records
  • SPFv=spf1 a mx mx:donbosco.de ip4:54.229.2.165 ip4:52.30.130.201 ip4:52.17.45.98 ip4:52.16.190.81 ip4:34.252.12.130 ip4:52.30.8.165 ip6:2a01:4f8:191:83b0::2 include:_spf.ng-networks.net include:spf.scanscope.net include:spf1.emailsecurity.app -all
  • apple-domain-verification=xKcbNY3tRP8SeqgF
  • google-site-verification=6Xpbki3az8SmEfCtuLZeB-bVbsLT9w9zFMgKmVd4yQQ
  • google-site-verification=qx9lFVtL02DPT3q-l2xxAIl5eAK7VSkMIDXb1FMHC0s
Full email verification for helenenberg.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits