hertin.de

Valid Email Server

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
hertin.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-21 15:27:20 UTC · ↺ Refresh

MX Hostnames

  • hertin-de.mail.protection.outlook.com

MX Priorities

  • hertin-de.mail.protection.outlook.com: 10

A / AAAA Records

  • 198.185.159.144 (no PTR)
  • 198.185.159.145 (no PTR)

Mail Server IPs

  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.10 ↩ mail-dbbpr03cu00102.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::5 ↩ mail-am1pr04cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA ns1111.ui-dns.biz hostmaster.1und1.de 2017010834 28800 7200 604800 300
Primary NS (mname)
ns1111.ui-dns.biz
Admin Email (rname)
hostmaster@1und1.de
Serial
2017010834
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1111.ui-dns.biz
ns1111.ui-dns.de
ns1111.ui-dns.com
ns1111.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 a mx include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ip4:80.147.71.107 -all
📊 DNS lookups: 5/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

3 records
  • 852994931d06c58b0d1fdab83108461e1591e66eaa95e81b15f54c68812e3af
  • MS=ms78537934
  • SPFv=spf1 a mx include:_spf.perfora.net include:_spf.kundenserver.de include:spf.protection.outlook.com ip4:80.147.71.107 -all
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