stb-huelsen.de

Valid Email Server
Domain Lookup › stb-huelsen.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
stb-huelsen.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-24 16:51:14 UTC · ↺ Refresh

MX Hostnames

  • stbhuelsen-de0i.mail.protection.outlook.com

MX Priorities

  • stbhuelsen-de0i.mail.protection.outlook.com: 10

A / AAAA Records

  • 78.111.64.11 ↩ rzde604web01.gfc-gruppe.cloud

Mail Server IPs

  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.73.8 ↩ mail-am0pr04cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::e ↩ mail-db8pr02cu00106.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA ns01.gfc-gruppe.cloud service.gfc-gruppe.de 1741869303 28800 7200 604800 900
Primary NS (mname)
ns01.gfc-gruppe.cloud
Admin Email (rname)
service@gfc-gruppe.de
Serial
1741869303
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
900s

Nameservers (NS)

ns03.gfc-gruppe.cloud
ns01.gfc-gruppe.cloud
ns02.gfc-gruppe.cloud

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

2 records
  • MS=ms42801866
  • SPFv=spf1 include:spf.protection.outlook.com -all
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