citibase.co.uk

Valid Email Server
Domain Lookup › citibase.co.uk

Domain Overview

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

Checked via [email protected] · 2026-03-22 03:38:34 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 217.160.0.82 ↩ 217-160-0-82.elastic-ssl.ui-r.com
  • 2001:8d8:100f:f000::2f3 ↩ 2001-08d8-100f-f000-0000-0000-0000-02f3.elastic-ssl.ui-r.com

Mail Server IPs

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

SOA Record

Raw SOA ns1021.ui-dns.de hostmaster.1und1.com 2017060138 28800 7200 604800 600
Primary NS (mname)
ns1021.ui-dns.de
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060138
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1101.ui-dns.org
ns1021.ui-dns.de
ns1033.ui-dns.biz
ns1072.ui-dns.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:91.192.232.24 include:spf.protection.outlook.com include:mailrelay.t1cloud.com include:eu._netblocks.mimecast.com include:_spf.salesforce.com ~all
📊 DNS lookups: 4/10
~ Soft fail (~all) — moderate 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

8 records
  • s4940mc95bka83n85plis04gab
  • SPFv=spf1 ip4:91.192.232.24 include:spf.protection.outlook.com include:mailrelay.t1cloud.com include:eu._netblocks.mimecast.com include:_spf.salesforce.com ~all
  • MS=ms58199489
  • u48307agd86bg7aaj7nn88lqdh
  • sstmk24gqh6a80m0n61g19b71h
  • apple-domain-verification=wLHX7j9VAEv0vYSj
  • 0ed1fe018ab43234cf6123447c9dde1e5431a0a108
  • MS=ms64650682
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