Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
brothermarcus.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-28 12:54:59 UTC · ↺ Refresh
MX Hostnames
- d243706.b.ess.uk.barracudanetworks.com
- d243706.a.ess.uk.barracudanetworks.com
MX Priorities
- d243706.b.ess.uk.barracudanetworks.com: 20
- d243706.a.ess.uk.barracudanetworks.com: 10
A / AAAA Records
- 85.13.214.237 ↩ sphereit.uk
Mail Server IPs
- 18.133.136.188 ↩ mail.ess.uk.barracuda.com
- 18.133.136.187 ↩ mail.ess.uk.barracuda.com
- 18.133.136.186 ↩ mail.ess.uk.barracuda.com
SOA Record
Raw SOA
craig.ns.cloudflare.com dns.cloudflare.com 2399848355 10000 2400 604800 1800
Primary NS (mname)
craig.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2399848355
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
craig.ns.cloudflare.com
savanna.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.ess.uk.barracudanetworks.com -all
📊 DNS lookups: 4/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
mail._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- brevo-code:12536e7401a002b0af9809f5f2a71042
- SPFv=spf1 include:spf.protection.outlook.com include:_spf.perfora.net include:_spf.kundenserver.de include:spf.ess.uk.barracudanetworks.com -all
- v=verifydomain MS=4010503
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