Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
npcourses.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-17 21:52:38 UTC · ↺ Refresh
MX Hostnames
- npcourses-com.mail.protection.outlook.com
MX Priorities
- npcourses-com.mail.protection.outlook.com: 0
A / AAAA Records
- 141.193.213.11 (no PTR)
- 141.193.213.10 (no PTR)
Mail Server IPs
- 52.101.40.2 ↩ mail-cy1pr05cu00402.inbound.protection.outlook.com
- 52.101.10.6 ↩ mail-bn1pr21cu00106.inbound.protection.outlook.com
- 52.101.10.12 ↩ mail-bn1pr21cu00204.inbound.protection.outlook.com
- 52.101.194.17 ↩ mail-ch5pr02cu00401.inbound.protection.outlook.com
- 2a01:111:f403:f912:: ↩ mail-cy5pr03cu00200.inbound.protection.outlook.com
- 2a01:111:f403:f802:: ↩ mail-byapr05cu00400.inbound.protection.outlook.com
- 2a01:111:f403:c803:: ↩ mail-bn1pr21cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c902::5 ↩ mail-sj2pr05cu00505.inbound.protection.outlook.com
SOA Record
Raw SOA
tanner.ns.cloudflare.com dns.cloudflare.com 2398807217 10000 2400 604800 1800
Primary NS (mname)
tanner.ns.cloudflare.com
Admin Email (rname)
dns@cloudflare.com
Serial
2398807217
Refresh
10000s
Retry
2400s
Expire
604800s
Minimum TTL
1800s
Nameservers (NS)
zita.ns.cloudflare.com
tanner.ns.cloudflare.com
SPF Record
✓ Soft Fail (~all)
v=spf1 mx include:mailgun.org include:servers.mcsv.net include:spf.protection.outlook.com include:44470715.spf02.hubspotemail.net ~all
📊 DNS lookups: 5/10
~ Soft fail (~all) — moderate 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
✓ 4 found
selector1._domainkey
selector2._domainkey
s1._domainkey
s2._domainkey
✓ Public key: 392 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
11 records- google-site-verification=yP5cvibuGVlDlOBdzhtqbaxzFpW3hkoaF80xTxhmvAM
- SPFv=spf1 mx include:mailgun.org include:servers.mcsv.net include:spf.protection.outlook.com include:44470715.spf02.hubspotemail.net ~all
- MS=ms23353991
- aweb-verification=8a58c7ddd7b55cd9ea7bb1079b44ba8597db7c48
- facebook-domain-verification=otg8yeo3q2vi6l4963539mk339dxh8
- google-site-verification=1pom4qDdlwyzPaz5MPNanSFVia9uHpfTb4FY7HWzMTo
- google-site-verification=43CKF15-3DR_oFL69aan0jfN_0Zu8Gk11EkGPypoLkI
- google-site-verification=WenA88ApXfYmexQZJUUACwzC_VHiyy5TfbbOOF_EOPM
- google-site-verification=pGRwRgbyTYUaF0zqRpC0xjIYk_KMJiGehWqFpQTEeT8
- google-site-verification=qlhggTrN4rXMotFwm_-ddhOMZRH0aB191yR7c9IfcUY
- google-site-verification=soqX7xNUNtnhDthEI3ZvSczK8qVjxLJ37k6IR5OwyF4
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