Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
cebo-uk.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-31 03:32:24 UTC · ↺ Refresh
MX Hostnames
- d302623.a.ess.de.barracudanetworks.com
- d302623.b.ess.de.barracudanetworks.com
MX Priorities
- d302623.b.ess.de.barracudanetworks.com: 10
- d302623.a.ess.de.barracudanetworks.com: 30
A / AAAA Records
- 145.131.10.225 (no PTR)
- 2001:678:76c:3760:301::9 (no PTR)
Mail Server IPs
- 18.185.115.251 ↩ mail.ess.de.barracuda.com
- 18.185.115.250 ↩ mail.ess.de.barracuda.com
- 18.185.115.252 ↩ mail.ess.de.barracuda.com
SOA Record
Raw SOA
ns1.argewebhosting.eu hostmaster.argeweb.nl 2025092300 10800 3600 604800 3600
Primary NS (mname)
ns1.argewebhosting.eu
Admin Email (rname)
hostmaster@argeweb.nl
Serial
2025092300
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s
Nameservers (NS)
ns3.argewebhosting.nl
ns1.argewebhosting.eu
ns2.argewebhosting.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected],mailto:[email protected],mailto:[email protected]; ruf=mailto:[email protected],mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected],mailto:[email protected]
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
2 records- MS=ms89440493
- SPFv=spf1 include:spf.protection.outlook.com include:spf.ess.de.barracudanetworks.com -all
Full email verification for cebo-uk.com
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