boettcher.de

Valid Email Server
Domain Lookup › boettcher.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 08:50:39 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.170.182 (no PTR)

Mail Server IPs

  • 52.101.73.24 ↩ mail-as8pr05cu00300.inbound.protection.outlook.com
  • 52.101.68.18 ↩ mail-db4pr02cu00302.inbound.protection.outlook.com
  • 52.101.68.25 ↩ mail-db8pr02cu00101.inbound.protection.outlook.com
  • 52.101.68.27 ↩ mail-db7pr03cu00503.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::5 ↩ mail-db3pr0202cu00205.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::a ↩ mail-du0pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::20 ↩ mail-as8pr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::4 ↩ mail-db4pr02cu00204.inbound.protection.outlook.com

SOA Record

Raw SOA dns11.netcologne.de hostmaster.netcologne.de 2025070906 28800 7200 604800 3600
Primary NS (mname)
dns11.netcologne.de
Admin Email (rname)
hostmaster@netcologne.de
Serial
2025070906
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns13.netcologne.de
dns14.netcologne.de
dns12.netcologne.de
dns11.netcologne.de

SPF Record

✓ Soft Fail (~all)
v=spf1 mx ptr ip4:195.14.245.6 include:spf.protection.outlook.com ~all
📊 DNS lookups: 3/10
~ Soft fail (~all) — moderate 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
  • SPFv=spf1 mx ptr ip4:195.14.245.6 include:spf.protection.outlook.com ~all
  • cgd33bp+yygSciUFkzctJ1nAv6zxd4lJpkR7a9DT2qKF+YfZA4ZU0IazoBqRHfl5GGsj1eUKykob5pd5xwygIg==
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