Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
swfc.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-03-29 07:57:17 UTC · ↺ Refresh
MX Hostnames
- d245973.a.ess.uk.barracudanetworks.com
- d245973.b.ess.uk.barracudanetworks.com
MX Priorities
- d245973.b.ess.uk.barracudanetworks.com: 5
- d245973.a.ess.uk.barracudanetworks.com: 5
A / AAAA Records
- 52.214.90.51 ↩ ec2-52-214-90-51.eu-west-1.compute.amazonaws.com
Mail Server IPs
- 18.133.136.188 ↩ mail.ess.uk.barracuda.com
- 18.133.136.186 ↩ mail.ess.uk.barracuda.com
- 18.133.136.187 ↩ mail.ess.uk.barracuda.com
SOA Record
Raw SOA
alexia.ns.cloudflare.com dns.cloudflare.com 2397937208 10000 2400 604800 1800
Primary NS (mname)
alexia.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2397937208
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
weston.ns.cloudflare.com
alexia.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:sendgrid.net include:eu._netblocks.mimecast.com include:spf.mandrillapp.com include:spf.protection.outlook.com include:spf.medoc.co.uk include:amazonses.com include:spf.ess.uk.barracudanetworks.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
~ Quarantine
v=DMARC1; p=quarantine; fo=1; rua=mailto:[email protected]; ruf=mailto:[email protected]
~ Quarantine — good protection (failing mail goes to spam)
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → 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
4 records- facebook-domain-verification=vxttv1m8c3qs16tjjltnfmj8xvvbv9
- google-site-verification=N3CxCl7FcxieirEhGm8Q4U6rppF0owBwRe0wEST0udQ
- SPFv=spf1 include:sendgrid.net include:eu._netblocks.mimecast.com include:spf.mandrillapp.com include:spf.protection.outlook.com include:spf.medoc.co.uk include:amazonses.com include:spf.ess.uk.barracudanetworks.com -all
- apple-domain-verification=HuWbDZxIGDm9eDU9
Full email verification for swfc.co.uk
Run SMTP check, SPF/DKIM/DMARC and catch-all detection.
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