Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
newbyc.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-18 05:58:44 UTC · ↺ Refresh
MX Hostnames
- d221854.a.ess.uk.barracudanetworks.com
- d221854.b.ess.uk.barracudanetworks.com
MX Priorities
- d221854.b.ess.uk.barracudanetworks.com: 99
- d221854.a.ess.uk.barracudanetworks.com: 98
A / AAAA Records
No A/AAAA records found.
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
primary-dns.co.uk hostmaster.newbyc.co.uk 2025100601 10800 3600 604800 600
Primary NS (mname)
primary-dns.co.uk
Admin Email (rname)
hostmaster@newbyc.co.uk
Serial
2025100601
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
secondary-dns.co.uk
primary-dns.co.uk
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:support.zendesk.com include:spf.messagelabs.com include:cmail1.com include:spf.ess.uk.barracudanetworks.com include:_spf.createsend.com -all
📊 DNS lookups: 6/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✓ Reject
v=DMARC1;p=reject;rua=mailto:[email protected],mailto:[email protected];ruf=mailto:[email protected];fo=1;
✓ Reject — strongest protection
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected],mailto:[email protected]
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
1 record- SPFv=spf1 include:spf.protection.outlook.com include:support.zendesk.com include:spf.messagelabs.com include:cmail1.com include:spf.ess.uk.barracudanetworks.com include:_spf.createsend.com -all
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