gustavheess.de

Valid Email Server
Domain Lookup › gustavheess.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gustavheess.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-31 02:15:30 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 193.53.251.116 ↩ r29951.agenturserver.it

Mail Server IPs

  • 52.101.68.32 ↩ mail-db3pr0202cu00200.inbound.protection.outlook.com
  • 52.101.73.11 ↩ mail-am1pr04cu00103.inbound.protection.outlook.com
  • 52.101.73.2 ↩ mail-as9pr07cu00302.inbound.protection.outlook.com
  • 52.101.73.30 ↩ mail-am7pr05cu00306.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::8 ↩ mail-as2pr05cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::d ↩ mail-db6pr03cu00105.inbound.protection.outlook.com

SOA Record

Raw SOA a.ns14.net do-not-reply.gustavheess.de 2023021509 43200 7200 1209600 86400
Primary NS (mname)
a.ns14.net
Admin Email (rname)
do-not-reply@gustavheess.de
Serial
2023021509
Refresh
43200s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

c.ns14.net
a.ns14.net
d.ns14.net
b.ns14.net

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

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1

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 -all
  • MS=ms48889758
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