best-solution.de

Valid Email Server
Domain Lookup › best-solution.de
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
best-solution.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:59:23 UTC · ↺ Refresh

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MX Hostnames

  • bestsolution-de01b.mail.protection.outlook.com

MX Priorities

  • bestsolution-de01b.mail.protection.outlook.com: 10

A / AAAA Records

  • 80.150.6.143 ↩ tld.t-online.de
  • 2003:2:2:15:80:150:6:143 ↩ tld.t-online.de

Mail Server IPs

  • 52.101.68.29 ↩ mail-dbapr03cu00105.inbound.protection.outlook.com
  • 52.101.73.153 ↩ mail-as8pr05cu00401.inbound.protection.outlook.com
  • 52.101.68.0 ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com
  • 52.101.73.19 ↩ mail-as8pr04cu00803.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::3 ↩ mail-am6pr04cu00303.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::f ↩ mail-am7pr05cu00307.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::24 ↩ mail-am6pr02cu00204.inbound.protection.outlook.com
  • 2a01:111:f403:ca48::12 ↩ mail-miypr05cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA dns01-tld.t-online.de dns.telekom.de 2026013004 21600 3600 604800 86400
Primary NS (mname)
dns01-tld.t-online.de
Admin Email (rname)
dns@telekom.de
Serial
2026013004
Refresh
21600s
Retry
3600s
Expire
604800s
Minimum TTL
86400s

Nameservers (NS)

dns02-tld.t-online.de
dns01-tld.t-online.de

SPF Record

✓ Soft Fail (~all)
v=spf1 include:spf.protection.outlook.com ip4:194.25.134.16/29 ip4:194.25.134.80/29 ip4:80.150.6.137 ip4:80.150.6.143 ip6:2003:2:2:15:80:150:6:143 ~all
📊 DNS lookups: 1/10
~ 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

1 record
  • SPFv=spf1 include:spf.protection.outlook.com ip4:194.25.134.16/29 ip4:194.25.134.80/29 ip4:80.150.6.137 ip4:80.150.6.143 ip6:2003:2:2:15:80:150:6:143 ~all
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