Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
letner.com
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-19 10:37:40 UTC · ↺ Refresh
MX Hostnames
- d20019a.ess.barracudanetworks.com
- d20019b.ess.barracudanetworks.com
MX Priorities
- d20019a.ess.barracudanetworks.com: 5
- d20019b.ess.barracudanetworks.com: 15
A / AAAA Records
- 160.153.0.65 ↩ 65.0.153.160.host.secureserver.net
Mail Server IPs
- 209.222.82.252 ↩ mail.ess.barracuda.com
- 209.222.82.253 ↩ mail.ess.barracuda.com
- 209.222.82.255 ↩ mail.ess.barracuda.com
SOA Record
Raw SOA
ns39.domaincontrol.com dns.jomax.net 2026021902 28800 7200 604800 600
Primary NS (mname)
ns39.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026021902
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns39.domaincontrol.com
ns40.domaincontrol.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.ess.barracudanetworks.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ MissingNo DMARC record — emails cannot be rejected on auth failure.
DKIM Selectors
✗ None detectedNo 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- MS=ms26246005
- apple-domain-verification=dLPibyEhHE8psCqp
- SPFv=spf1 include:spf.ess.barracudanetworks.com -all
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