fesn.de

Valid Email Server
Domain Lookup › fesn.de

Domain Overview

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

Checked via [email protected] · 2026-03-26 10:33:31 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

  • fesn-de.mail.protection.outlook.com: 0

A / AAAA Records

  • 5.44.111.100 ↩ web100.alfahosting-server.de

Mail Server IPs

  • 52.101.73.4 ↩ mail-am0pr83cu00404.inbound.protection.outlook.com
  • 52.101.68.12 ↩ mail-db9pr02cu00204.inbound.protection.outlook.com
  • 52.101.73.26 ↩ mail-as9pr05cu01302.inbound.protection.outlook.com
  • 52.101.68.16 ↩ mail-db4pr02cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::f ↩ mail-db7pr03cu00507.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::2 ↩ mail-du2pr03cu00102.inbound.protection.outlook.com
  • 2a01:111:f403:ca04::10 ↩ mail-dbapr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:ca04:: ↩ mail-db3pr0202cu00100.inbound.protection.outlook.com

SOA Record

Raw SOA cns1.alfahosting.info hostmaster.alfahosting.de 2023072001 28800 7200 604800 10800
Primary NS (mname)
cns1.alfahosting.info
Admin Email (rname)
hostmaster@alfahosting.de
Serial
2023072001
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
10800s

Nameservers (NS)

cns3.alfahosting.info
cns2.alfahosting.info
cns1.alfahosting.info

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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

3 records
  • DKIMv=DKIM1; k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCmz0Xbqk4G9KCLbFjTSm5Gs88reVu8KOTpgRF28Y/kJUL9ESuiQZ1UrzynyAoUDJ6+8ZT3R+7aAuejmN376Gd9AO6HzG1i9/Cncm5UAJni1g/vOodFiyABCCn5j3qTx0nVkNpDkufNtjukwGbwCQHVpkjO5Qb4nF9rZhYP2UAUTQIDAQAB;
  • google-site-verification=OWJ765F0V8tcv2SQkq4UHwLGaZiGQxkHFb5IX6EFGXg
  • SPFv=spf1 include:spf.protection.outlook.com -all
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