fs.de

Valid Email Server
Domain Lookup › fs.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
fs.de
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-28 02:27:10 UTC · ↺ Refresh

MX Hostnames

  • fs-de.mail.protection.outlook.com

MX Priorities

  • fs-de.mail.protection.outlook.com: 5

A / AAAA Records

  • 99.84.152.70 ↩ server-99-84-152-70.fra56.r.cloudfront.net
  • 99.84.152.97 ↩ server-99-84-152-97.fra56.r.cloudfront.net
  • 2600:9000:20e8:5000:1e:57b1:2200:93a1 (no PTR)
  • 2600:9000:20e8:f800:1e:57b1:2200:93a1 (no PTR)

Mail Server IPs

  • 52.101.170.2 ↩ mail-fr6p281cu00202.inbound.protection.outlook.com
  • 52.101.170.0 ↩ mail-fr5p281cu00500.inbound.protection.outlook.com
  • 52.101.170.1 ↩ mail-fr4p281cu03101.inbound.protection.outlook.com
  • 52.101.168.0 ↩ mail-beup281cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA ns6.sec-provider.de hostmaster.sec-provider.de 2026020201 7200 1800 2419200 3600
Primary NS (mname)
ns6.sec-provider.de
Admin Email (rname)
hostmaster@sec-provider.de
Serial
2026020201
Refresh
7200s
Retry
1800s
Expire
2419200s
Minimum TTL
3600s

Nameservers (NS)

ns6.sec-provider.de
ns5.sec-provider.de

SPF Record

✓ Strict (-all)
v=spf1 mx ip4:178.15.47.196 ip4:178.15.47.197 include:spf.protection.outlook.com include:_spf.fullfabric.com include:spf.watermarkinsights.com include:spfv4.sosafe.de include:spfv6.sosafe.de -all
📊 DNS lookups: 6/10
✓ 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

6 records
  • uCmkRd/JBXjh8KcVfbRAFI/RZhV+4Q+as6k5U3Rp7HmSZVRYFnvhbDRA7waR0xscxMOAxecDhHqXq+BZ0x5fag==
  • apple-domain-verification=OJTTn9xESfGkRMKp
  • atlassian-domain-verification=bfqFo/mt7QrpRMD1qh0AaHFKEXrgfs58qE4Si0Ka/aNj1LJxxDzUWFS4QkKbnI8y
  • openai-domain-verification=dv-RNB4HJC75MPtlUaH1Z82RzsB
  • MS=ms50379233
  • SPFv=spf1 mx ip4:178.15.47.196 ip4:178.15.47.197 include:spf.protection.outlook.com include:_spf.fullfabric.com include:spf.watermarkinsights.com include:spfv4.sosafe.de include:spfv6.sosafe.de -all
Full email verification for fs.de

Run SMTP check, SPF/DKIM/DMARC and catch-all detection.

SPF / DKIM / DMARC Get 1,000 Free Credits