cf-frankfurt.de

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

Domain Overview

DNS: ⚡ live Checker: ⚡ live
cf-frankfurt.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-09-04 18:16:50 UTC · ↺ Refresh

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MX Hostnames

  • cffrankfurt-de0e.mail.protection.outlook.com

MX Priorities

  • cffrankfurt-de0e.mail.protection.outlook.com: 0

A / AAAA Records

  • 176.52.244.12 ↩ r3877.agenturserver.it

Mail Server IPs

  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d:: ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 2a01:111:f403:ca27:: ↩ mail-beup281cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca2d::2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.cf-frankfurt.de hostmaster.cf-frankfurt.de 2024042510 86400 7200 3600000 172800
Primary NS (mname)
ns1.cf-frankfurt.de
Admin Email (rname)
hostmaster@cf-frankfurt.de
Serial
2024042510
Refresh
86400s
Retry
7200s
Expire
3600000s
Minimum TTL
172800s

Nameservers (NS)

ns1a.dodns.net
ns2a.dodns.net

SPF Record

✓ Soft Fail (~all)
v=spf1 a mx include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate enforcement

DMARC Record

~ Quarantine
v=DMARC1;p=quarantine;pct=50;ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
⚠ Policy applies to 50% of failing messages only

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 mx include:_spf_eucentral1.prod.hydra.sophos.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com ~all
  • MS=ms25556384
  • apple-domain-verification=xH0gTtUXtsjpQ8IW
  • sophos-domain-verification=13e8d286afd0834228dd0d0ee2b665dc36c60f93
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