portonet.de

Valid Email Server
Domain Lookup › portonet.de

Domain Overview

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

Checked via [email protected] · 2026-04-02 02:50:04 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 85.236.58.125 ↩ 125-58-236-85.rev.customer-net.de

Mail Server IPs

  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 52.101.73.15 ↩ mail-am9pr04cu00107.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::c ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::1 ↩ mail-db7pr03cu00401.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::1 ↩ mail-as9pr07cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA dns1.hz-net.de info.hz-gmbh.de 2024031100 43200 7200 1209600 86400
Primary NS (mname)
dns1.hz-net.de
Admin Email (rname)
info@hz-gmbh.de
Serial
2024031100
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

dns2.hz-net.de
dns1.hz-net.de
dns3.hz-net.de
dns4.hz-net.de

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com -all
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