m-f.tech

Valid Email Server
Domain Lookup › m-f.tech

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
m-f.tech
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-26 06:32:55 UTC · ↺ Refresh

MX Hostnames

  • mf-tech0c.mail.protection.outlook.com

MX Priorities

  • mf-tech0c.mail.protection.outlook.com: 5

A / AAAA Records

  • 91.203.110.225 ↩ host225.checkdomain.de

Mail Server IPs

  • 52.101.68.5 ↩ mail-du2pr03cu00105.inbound.protection.outlook.com
  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.15 ↩ mail-db6pr03cu00107.inbound.protection.outlook.com
  • 52.101.73.1 ↩ mail-am3pr04cu00501.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::d ↩ mail-as9pr05cu01305.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::6 ↩ mail-db4pr02cu00406.inbound.protection.outlook.com
  • 2a01:111:f403:ca09::9 ↩ mail-as8pr04cu00801.inbound.protection.outlook.com

SOA Record

Raw SOA ns.checkdomain.de hostmaster.checkdomain.de 2026021501 40000 7200 604800 300
Primary NS (mname)
ns.checkdomain.de
Admin Email (rname)
hostmaster@checkdomain.de
Serial
2026021501
Refresh
40000s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns2.checkdomain.de
ns.checkdomain.de

SPF Record

✓ Strict (-all)
v=spf1 a:mail.m-f.tech include:spf.protection.outlook.com include:_spf.atlassian.net include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none;
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

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

4 records
  • SPFv=spf1 a:mail.m-f.tech include:spf.protection.outlook.com include:_spf.atlassian.net include:spf-de.emailsignatures365.com -all
  • atlassian-sending-domain-verification=845c918b-3a21-4369-a3e2-16ff6e99c14d
  • MS=ms31493740
  • atlassian-domain-verification=s2hvd3kAqVLT1P872GP2VN9qVsNcZeKwfEhMztuu6xTdSg0/4CNH7HUq6HDKubnk
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