cirta.us

Valid Email Server
Domain Lookup › cirta.us

Domain Overview

DNS: ✓ 2mo ago Checker: ✓ 2mo ago
cirta.us
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-03-19 09:50:18 UTC · ↺ Refresh

MX Hostnames

  • cirta-us.mail.protection.outlook.com

MX Priorities

  • cirta-us.mail.protection.outlook.com: 0

A / AAAA Records

  • 216.37.42.67 ↩ host13.devsquad.tech

Mail Server IPs

  • 52.101.11.17 ↩ mail-sn1pr0501cu00301.inbound.protection.outlook.com
  • 52.101.9.0 ↩ mail-bl2pr02cu00100.inbound.protection.outlook.com
  • 52.101.11.2 ↩ mail-sn1pr03cu00102.inbound.protection.outlook.com
  • 52.101.8.44 ↩ mail-dm5pr04cu00104.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:f90a::1 ↩ mail-bn8pr03cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:c931:: ↩ mail-sn1pr02cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c902::4 ↩ mail-sj0pr03cu01504.inbound.protection.outlook.com

SOA Record

Raw SOA ns57.domaincontrol.com dns.jomax.net 2026010500 28800 7200 604800 600
Primary NS (mname)
ns57.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026010500
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s

Nameservers (NS)

ns58.domaincontrol.com
ns57.domaincontrol.com

SPF Record

✓ Soft Fail (~all)
v=spf1 ip4:24.123.217.58 include:spf.serverdata.net include:spf.protection.outlook.com
📊 DNS lookups: 2/10

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
  • SPFv=spf1 ip4:24.123.217.58 include:spf.serverdata.net include:spf.protection.outlook.com
  • google-site-verification=ptzxbhscmeoHznpxDwnFhZDfMF2n19zktcELrz1PeHM
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