rhubarb.co.uk

Valid Email Server
Domain Lookup › rhubarb.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-24 07:06:31 UTC · ↺ Refresh

MX Hostnames

  • eu-smtp-inbound-1.mimecast.com
  • eu-smtp-inbound-2.mimecast.com

MX Priorities

  • eu-smtp-inbound-1.mimecast.com: 10
  • eu-smtp-inbound-2.mimecast.com: 10

A / AAAA Records

  • 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com

Mail Server IPs

  • 91.220.42.201 ↩ eu-smtp-inbound-1.mimecast.com
  • 195.130.217.211 ↩ eu-smtp-inbound-1.mimecast.com
  • 91.220.42.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.201 ↩ eu-smtp-inbound-2.mimecast.com
  • 195.130.217.241 ↩ eu-smtp-inbound-2.mimecast.com
  • 91.220.42.211 ↩ eu-smtp-inbound-1.mimecast.com

SOA Record

Raw SOA dns101.register.com root.register.com 126011308 10800 3600 604800 3600
Primary NS (mname)
dns101.register.com
Admin Email (rname)
root@register.com
Serial
126011308
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

dns101.register.com
dns102.register.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:46.18.217.144 ip4:198.51.100.123 ip4:185.28.115.113 include:eu._netblocks.mimecast.com include:netsuite.com -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]

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

1 record
  • SPFv=spf1 ip4:46.18.217.144 ip4:198.51.100.123 ip4:185.28.115.113 include:eu._netblocks.mimecast.com include:netsuite.com -all
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