crowe-ffm.de

Valid Email Server
Domain Lookup › crowe-ffm.de

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
crowe-ffm.de
Yes
✓ Yes
Unknown
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-20 04:23:39 UTC · ↺ Refresh

MX Hostnames

  • mx03.hornetsecurity.com
  • mx04.hornetsecurity.com
  • mx01.hornetsecurity.com
  • mx02.hornetsecurity.com

MX Priorities

  • mx03.hornetsecurity.com: 30
  • mx04.hornetsecurity.com: 40
  • mx01.hornetsecurity.com: 10
  • mx02.hornetsecurity.com: 20

A / AAAA Records

  • 159.246.55.100 (no PTR)

Mail Server IPs

  • 94.100.134.8 ↩ mx03.hornetsecurity.com
  • 94.100.136.7 ↩ mx04.hornetsecurity.com
  • 94.100.132.8 ↩ mx01.hornetsecurity.com
  • 94.100.136.8 ↩ mx02.hornetsecurity.com

SOA Record

Raw SOA dns1.idp365.net hostmaster.idp365.net 2025112501 28800 1800 604800 3600
Primary NS (mname)
dns1.idp365.net
Admin Email (rname)
hostmaster@idp365.net
Serial
2025112501
Refresh
28800s
Retry
1800s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns1.idp365.net
dns3.idp365.net
dns2.idp365.net

SPF Record

✓ Strict (-all)
v=spf1 ip4:46.182.148.131 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: selector1

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

7 records
  • jzyyf3mhlkb1swvhr6111jyj1znvlh1k
  • MS=ms735443272
  • SPFv=spf1 ip4:46.182.148.131 include:spf.hornetsecurity.com include:spf.protection.outlook.com include:spf-de.emailsignatures365.com -all
  • _i8cdg2vck3v3zmbmg96uzj5dma8jdc3
  • ly0y43pj82scwbs9lrhq4htvx80kxdmq
  • 7h623v6bfb5sj9yv5j1bdzwczy24wz36
  • 0db9f51pt8jls7r4k30jclkwlz44q75x
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