cllb.de

Valid Email Server
Domain Lookup › cllb.de

Domain Overview

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

Checked via [email protected] · 2026-03-21 10:30:48 UTC · ↺ Refresh

MX Hostnames

  • mx2.fuldacloud.de
  • mx1.fuldacloud.de

MX Priorities

  • mx1.fuldacloud.de: 10
  • mx2.fuldacloud.de: 20

A / AAAA Records

  • 104.21.89.18 (no PTR)
  • 172.67.155.142 (no PTR)
  • 2606:4700:3037::ac43:9b8e (no PTR)
  • 2606:4700:3030::6815:5912 (no PTR)

Mail Server IPs

  • 185.209.133.25 ↩ fortimail.fuldacloud.de

SOA Record

Raw SOA matt.ns.cloudflare.com dns.cloudflare.com 2398206308 10000 2400 604800 1800
Primary NS (mname)
matt.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398206308
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s

Nameservers (NS)

matt.ns.cloudflare.com
robin.ns.cloudflare.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com mx a a:fortimail.fuldacloud.de a:securemail.fuldacloud.de -all
📊 DNS lookups: 5/10
✓ 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: 216 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

3 records
  • google-site-verification=ANQyl6hCbZ_NqSQ6oDm4it0KWn8esA7g9NvRLKB8y3Y
  • SPFv=spf1 include:spf.protection.outlook.com mx a a:fortimail.fuldacloud.de a:securemail.fuldacloud.de -all
  • MS=ms35634442
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