citistaffsolutions.com

Valid Email Server
Domain Lookup › citistaffsolutions.com

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
citistaffsolutions.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No

Checked via [email protected] · 2026-03-23 07:36:44 UTC · ↺ Refresh

MX Hostnames

  • citistaffsolutions-com.mail.protection.outlook.com

MX Priorities

  • citistaffsolutions-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 74.208.236.35 ↩ 74-208-236-35.elastic-ssl.ui-r.com
  • 2607:f1c0:100f:f000::25e ↩ 2607-f1c0-100f-f000-0000-0000-0000-025e.elastic-ssl.ui-r.com

Mail Server IPs

  • 52.101.11.3 ↩ mail-sn1pr0501cu00103.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.11.10 ↩ mail-sa9pr03cu00202.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 2a01:111:f403:c902:: ↩ mail-sj2pr05cu00300.inbound.protection.outlook.com
  • 2a01:111:f403:f90d:: ↩ mail-sn1pr0501cu00200.inbound.protection.outlook.com
  • 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com

SOA Record

Raw SOA ns1115.ui-dns.de hostmaster.1and1.com 2017080215 28800 7200 604800 300
Primary NS (mname)
ns1115.ui-dns.de
Admin Email (rname)
hostmaster@1and1.com
Serial
2017080215
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
300s

Nameservers (NS)

ns1115.ui-dns.de
ns1115.ui-dns.biz
ns1115.ui-dns.com
ns1115.ui-dns.org

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ 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
  • MS=3824EBEC94636EACE1E58DD8EF48725F09028B66
  • SPFv=spf1 include:spf.protection.outlook.com -all
Free · No signup required
Add email validation to your forms

Block disposable emails, validate MX records, detect role accounts — unlimited, forever free.

<script src="https://check.verifyswift.com/"></script>
One line of code · Works on any site
See demo & docs
Deep verification
Full email verification for citistaffsolutions.com

SMTP handshake, catch-all detection, custom validation rules, actual deliverability tests, and more.

No credit card required
Get 1,000 Free Credits