gbb-bottrop.de

Valid Email Server
Domain Lookup › gbb-bottrop.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
gbb-bottrop.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-25 13:55:40 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • gbbbottrop-de0i.mail.protection.outlook.com: 0

A / AAAA Records

  • 217.70.172.214 ↩ x-isp-web-3.gelsen.net

Mail Server IPs

  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::b ↩ mail-dbbpr03cu00103.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::b ↩ mail-am7pr05cu00103.inbound.protection.outlook.com

SOA Record

Raw SOA a.ns14.net hostmaster.dns-tool.gelsen.net 2025080600 3600 1800 1209600 600
Primary NS (mname)
a.ns14.net
Admin Email (rname)
hostmaster@dns-tool.gelsen.net
Serial
2025080600
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
600s

Nameservers (NS)

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

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.aareon.com -all
📊 DNS lookups: 2/10
✓ 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

3 records
  • MS=25F11A9CBBDBD3890C1493E0ADF3002977187B45
  • MS=ms58044649
  • SPFv=spf1 include:spf.protection.outlook.com include:_spf.aareon.com -all
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