btxblue.com

Valid Email Server
Domain Lookup › btxblue.com
Live data — DNS records and disposable check were just fetched and saved.

Domain Overview

DNS: ⚡ live Checker: ⚡ live
btxblue.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]

Checked via [email protected] · 2026-07-01 14:53:53 UTC · ↺ Refresh

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MX Hostnames

  • btxblue-com.mail.protection.outlook.com
  • ms72528403.msv1.invalid

MX Priorities

  • ms72528403.msv1.invalid: 32767
  • btxblue-com.mail.protection.outlook.com: 0

A / AAAA Records

  • 3.14.22.68 ↩ ec2-3-14-22-68.us-east-2.compute.amazonaws.com

Mail Server IPs

  • 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
  • 52.101.194.13 ↩ mail-ch0pr04cu00605.inbound.protection.outlook.com
  • 52.101.41.22 ↩ mail-sj2pr05cu00406.inbound.protection.outlook.com
  • 52.101.50.4 ↩ mail-co1pr03cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:f907::1 ↩ mail-dm1pr04cu00201.inbound.protection.outlook.com
  • 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
  • 2a01:111:f403:c946::5 ↩ mail-ch4pr21cu00105.inbound.protection.outlook.com
  • 2a01:111:f403:c946:: ↩ mail-ch5pr02cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns1.dongee.com root.fadil.dongee.com 2026060503 3600 1800 1209600 86400
Primary NS (mname)
ns1.dongee.com
Admin Email (rname)
root@fadil.dongee.com
Serial
2026060503
Refresh
3600s
Retry
1800s
Expire
1209600s
Minimum TTL
86400s

Nameservers (NS)

ns3.dongee.com
ns1.dongee.com
ns2.dongee.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:3.14.22.68 ip4:87.98.146.77 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

✓ 1 found
default._domainkey
✓ Public key: 392 chars (valid)
✓ DKIM properly configured for selector: default

Checked: google, selector1/2, default, mail, dkim, k1, s1/2, zoho, sendgrid, mxvault, amazonses

All TXT Records

3 records
  • google-site-verification=dnjgTa7RzWvBx2f6hGVEqwNLcDiKIIDrU-joYZEnWd8
  • MS=ms72528403
  • SPFv=spf1 ip4:3.14.22.68 ip4:87.98.146.77 include:spf.protection.outlook.com -all
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