rivauk.co.uk

Valid Email Server
Domain Lookup › rivauk.co.uk

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
rivauk.co.uk
Yes
✓ Yes
Barracuda
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-23 05:14:30 UTC · ↺ Refresh

MX Hostnames

  • d229332.a.ess.uk.barracudanetworks.com
  • d229332.b.ess.uk.barracudanetworks.com

MX Priorities

  • d229332.b.ess.uk.barracudanetworks.com: 10
  • d229332.a.ess.uk.barracudanetworks.com: 10

A / AAAA Records

  • 217.160.0.233 ↩ 217-160-0-233.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::200 ↩ 2001-08d8-100f-f000-0000-0000-0000-0200.elastic-ssl.ui-r.com

Mail Server IPs

  • 18.133.136.187 ↩ mail.ess.uk.barracuda.com
  • 18.133.136.186 ↩ mail.ess.uk.barracuda.com
  • 18.133.136.188 ↩ mail.ess.uk.barracuda.com

SOA Record

Raw SOA ns1032.ui-dns.org hostmaster.1und1.com 2017060121 28800 7200 604800 600
Primary NS (mname)
ns1032.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060121
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1047.ui-dns.de
ns1112.ui-dns.com
ns1063.ui-dns.biz
ns1032.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:ellisonweb.servers.prgn.misp.co.uk -all
📊 DNS lookups: 3/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ Missing

No DMARC record — emails cannot be rejected on auth failure.

DKIM Selectors

✗ None detected

No 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

2 records
  • SPFv=spf1 include:spf.ess.uk.barracudanetworks.com include:spf.protection.outlook.com include:ellisonweb.servers.prgn.misp.co.uk -all
  • MS=ms43366302
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