citibase.com

Valid Email Server
Domain Lookup › citibase.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
citibase.com
Yes
✓ Yes
Mimecast
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 08:40:12 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

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

SOA Record

Raw SOA ns1079.ui-dns.org hostmaster.1und1.com 2017060145 28800 7200 604800 600
Primary NS (mname)
ns1079.ui-dns.org
Admin Email (rname)
hostmaster@1und1.com
Serial
2017060145
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns1082.ui-dns.biz
ns1064.ui-dns.de
ns1021.ui-dns.com
ns1079.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 ip4:208.97.190.211 include:spf.maildefender.net include:spf.protection.outlook.com include:netblocks.dreamhost.com include:eu._netblocks.mimecast.com -all
📊 DNS lookups: 4/10
✓ 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

7 records
  • 0ed1fe018ab0c0f969994148089a346ad1286052f7
  • sending_domain462372=a7f0b794a8786216a733761153cb9d0dcf9cba4ee7bd08ce49845be3f48d7394
  • MS=ms83032494
  • zone-ownership-verification-dd1446ceac68bf1c9f8c77b8ab2f2ef31213930cd30f34bcea66469af6e4de63
  • google-site-verification=r06lw-KtipSeAfbh4tYg3WF6qY98fGuVktysEVV4dqo
  • pardot462372=0aa93b7015acf39a655f884aaab19fd95d766d3ceccf9d1cb45586007310bc66
  • SPFv=spf1 ip4:208.97.190.211 include:spf.maildefender.net include:spf.protection.outlook.com include:netblocks.dreamhost.com include:eu._netblocks.mimecast.com -all
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