ntbha.org

Valid Email Server

Domain Overview

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

Checked via [email protected] · 2026-03-17 22:03:30 UTC · ↺ Refresh

MX Hostnames

  • ntbha-org.mail.protection.outlook.com

MX Priorities

  • ntbha-org.mail.protection.outlook.com: 10

A / AAAA Records

  • 3.143.151.23 ↩ ec2-3-143-151-23.us-east-2.compute.amazonaws.com

Mail Server IPs

  • 52.101.9.19 ↩ mail-blapr09cu00103.inbound.protection.outlook.com
  • 52.101.11.12 ↩ mail-sa9pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.52 ↩ mail-ds0pr09cu00104.inbound.protection.outlook.com
  • 52.101.8.50 ↩ mail-dm6pr09cu00202.inbound.protection.outlook.com
  • 2a01:111:f403:f90e::1 ↩ mail-sa9pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f900::1 ↩ mail-blapr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904::1 ↩ mail-ds0pr09cu00101.inbound.protection.outlook.com
  • 2a01:111:f403:f904:: ↩ mail-dm6pr09cu00200.inbound.protection.outlook.com

SOA Record

Raw SOA ns93.worldnic.com namehost.worldnic.com 126031714 10800 3600 604800 3600
Primary NS (mname)
ns93.worldnic.com
Admin Email (rname)
namehost@worldnic.com
Serial
126031714
Refresh
10800s
Retry
3600s
Expire
604800s
Minimum TTL
3600s

Nameservers (NS)

ns93.worldnic.com
ns94.worldnic.com

SPF Record

✓ Strict (-all)
v=spf1 ip4:12.217.218.98 ip4:104.210.208.75 include:spf.protection.outlook.com include:spf.US.exclaimer.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement

DMARC Record

✗ p=none
v=DMARC1; p=none; fo=1
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed · DKIM alignment: Relaxed
⚠ No aggregate reports (rua= not set)

DKIM Selectors

✓ 2 found
selector1._domainkey
selector2._domainkey
✓ Public key: 216 chars (valid)
✓ DKIM properly configured for selector: selector1

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

All TXT Records

5 records
  • SPFv=spf1 ip4:12.217.218.98 ip4:104.210.208.75 include:spf.protection.outlook.com include:spf.US.exclaimer.net -all
  • MS=ms51426636
  • wpe-verification=ntbhastage1dev
  • apple-domain-verification=j8sUQmCG77uGUEXp
  • apple-domain-verification=qWXcHaSxIDPrnxdF
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