thecu.net

Valid Email Server
Domain Lookup › thecu.net

Domain Overview

DNS: ✓ 19h ago Checker: ✓ 19h ago
thecu.net
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-02 01:59:08 UTC · ↺ Refresh

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MX Hostnames

  • thecu-net.mail.protection.outlook.com

MX Priorities

  • thecu-net.mail.protection.outlook.com: 10

A / AAAA Records

  • 216.110.144.91 ↩ id14491.securedata.net

Mail Server IPs

  • 52.101.11.19 ↩ mail-sa9pr04cu00203.inbound.protection.outlook.com
  • 52.101.50.10 ↩ mail-mw2pr02cu00502.inbound.protection.outlook.com
  • 52.101.194.19 ↩ mail-ch5pr02cu00303.inbound.protection.outlook.com
  • 52.101.11.7 ↩ mail-sa9pr04cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:c902::7 ↩ mail-sj0pr02cu00107.inbound.protection.outlook.com
  • 2a01:111:f403:f90f:: ↩ mail-sa9pr04cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:f913:: ↩ mail-cy1pr03cu00100.inbound.protection.outlook.com
  • 2a01:111:f403:c927::1 ↩ mail-bn8pr05cu00301.inbound.protection.outlook.com

SOA Record

Raw SOA adns.cs.onr.siteprotect.com hostmaster.thecu.net 2026052019 172800 900 1209600 3600
Primary NS (mname)
adns.cs.onr.siteprotect.com
Admin Email (rname)
hostmaster@thecu.net
Serial
2026052019
Refresh
172800s
Retry
900s
Expire
1209600s
Minimum TTL
3600s

Nameservers (NS)

bdns.cs.siteprotect.com
adns.cs.siteprotect.com

SPF Record

✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.cuanswers.com include:thecu-net.spf.smtp25.com ip4:208.235.248.20/32 ip4:24.213.18.36/32 ip4:50.58.9.15/32 include:gateways.firstdata.com include:outbd3-pstfx.customercenter.net include:outbd-pstfx.customercenter.net -all
📊 DNS lookups: 6/10
✓ 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
  • MS=ms75780061
  • SPFv=spf1 include:spf.protection.outlook.com include:spf.cuanswers.com include:thecu-net.spf.smtp25.com ip4:208.235.248.20/32 ip4:24.213.18.36/32 ip4:50.58.9.15/32 include:gateways.firstdata.com include:outbd3-pstfx.customercenter.net include:outbd-pstfx.customercenter.net -all
  • C8hlYISMUboIRyEVI8ly2A==
  • \195\162\226\130\172\197\147duo_sso_verification=Mhttf72wiAyBaiTVHc8AEKfk50jsVacSB5dNvhvrzdGXTpqnSyzsbhBFAyuRpI6l\195\162\226\130\172\194\157
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