Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
emsd.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-20 16:22:48 UTC · ↺ Refresh
MX Hostnames
- d228106.a.ess.uk.barracudanetworks.com
- d228106.b.ess.uk.barracudanetworks.com
MX Priorities
- d228106.b.ess.uk.barracudanetworks.com: 10
- d228106.a.ess.uk.barracudanetworks.com: 0
A / AAAA Records
- 83.166.162.21 (no PTR)
Mail Server IPs
- 18.133.136.186 ↩ mail.ess.uk.barracuda.com
- 18.133.136.187 ↩ mail.ess.uk.barracuda.com
- 18.133.136.188 ↩ mail.ess.uk.barracuda.com
SOA Record
Raw SOA
ns1.hostns.io alerting.hostns.io 2026022503 3600 7200 1209600 86400
Primary NS (mname)
ns1.hostns.io
Admin Email (rname)
alerting@hostns.io
Serial
2026022503
Refresh
3600s
Retry
7200s
Expire
1209600s
Minimum TTL
86400s
Nameservers (NS)
ns1.hostns.io
ns2.hostns.io
SPF Record
✓ Strict (-all)
v=spf1 ip4:81.19.215.188 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com ip4:109.70.148.45 include:spf.hostns.io -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1; p=reject; fo=1; pct=100
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)
DKIM Selectors
✓ 2 found
selector1._domainkey
selector2._domainkey
✓ DKIM properly configured for selector: selector1
Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses
All TXT Records
1 record- SPFv=spf1 ip4:81.19.215.188 include:spf.protection.outlook.com include:spf.ess.uk.barracudanetworks.com ip4:109.70.148.45 include:spf.hostns.io -all
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