citizensbt.com

Valid Email Server
Domain Lookup › citizensbt.com

Domain Overview

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

Checked via [email protected] · 2026-03-19 10:43:56 UTC · ↺ Refresh

MX Hostnames

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

MX Priorities

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

A / AAAA Records

  • 20.3.147.243 (no PTR)

Mail Server IPs

  • 170.10.128.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.242 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.221 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.132.141 ↩ us-smtp-inbound-1.mimecast.com
  • 170.10.128.242 ↩ us-smtp-inbound-2.mimecast.com

SOA Record

Raw SOA ns21.worldnic.com namehost.worldnic.com 125112412 10800 3600 604800 3600
Primary NS (mname)
ns21.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
125112412
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns22.worldnic.com
ns21.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 include:_spf.createsend.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com a:outbd-pstfx.customercenter.net include:spf.usa.net include:_spf.bellmedia.io include:spf.cashedge.com -all
📊 DNS lookups: 7/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected];
⚠ 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

4 records
  • SPFv=spf1 include:_spf.createsend.com include:us._netblocks.mimecast.com include:spf.protection.outlook.com a:outbd-pstfx.customercenter.net include:spf.usa.net include:_spf.bellmedia.io include:spf.cashedge.com -all
  • MS=ms25912400
  • 0ed1fe018a5a3323c845574335beb032654b1c4a86
  • k=rsa; p=MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDmMR6P1gPvJydm5Py8DsSNIYVsvrV1V2oSSkqRmOC95UHoP4rY4rWrndGrQgdX0lEQXwymrpVptSPkPGI0JueBcEALqwuMOGM9TGjP5IYjeOKm09DJB9VM+nijNTZpsd+mO56E5GqVGXtuzPvjqyWZv4T8I+CE5QDGkXwFdHB51wIDAQAB
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