Domain Overview
DNS: ✓ 2mo ago
Checker: ✓ 2mo ago
nationalbioskills.com
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Checked via [email protected]
· 2026-03-19 15:37:57 UTC · ↺ Refresh
MX Hostnames
- nationalbioskills-com.mail.protection.outlook.com
MX Priorities
- nationalbioskills-com.mail.protection.outlook.com: 90
A / AAAA Records
- 67.227.248.48 (no PTR)
- 3.33.130.190 ↩ a2aa9ff50de748dbe.awsglobalaccelerator.com
- 15.197.148.33
Mail Server IPs
- 52.101.41.26 ↩ mail-sj0pr03cu01702.inbound.protection.outlook.com
- 52.101.9.21 ↩ mail-bl2pr04cu00205.inbound.protection.outlook.com
- 52.101.40.1 ↩ mail-cy4pr03cu00101.inbound.protection.outlook.com
- 52.101.11.9 ↩ mail-sn1pr02cu00101.inbound.protection.outlook.com
- 2a01:111:f403:f901:: ↩ mail-mn2pr04cu00200.inbound.protection.outlook.com
- 2a01:111:f403:c927:: ↩ mail-bn6pr21cu00500.inbound.protection.outlook.com
- 2a01:111:f403:f905::4 ↩ mail-dm2pr04cu00404.inbound.protection.outlook.com
- 2a01:111:f403:c91d:: ↩ mail-mw2pr04cu00100.inbound.protection.outlook.com
SOA Record
Raw SOA
ns43.domaincontrol.com dns.jomax.net 2026031004 28800 7200 604800 600
Primary NS (mname)
ns43.domaincontrol.com
Admin Email (rname)
dns@jomax.net
Serial
2026031004
Refresh
28800s
Retry
7200s
Expire
604800s
Minimum TTL
600s
Nameservers (NS)
ns43.domaincontrol.com
ns44.domaincontrol.com
ns2.nationalbioskills.com
ns1.nationalbioskills.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com -all
📊 DNS lookups: 1/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none; rua=mailto:[email protected]; ruf=mailto:[email protected]; fo=1; pct=100
⚠ p=none — monitoring only, no enforcement
📋 SPF alignment: Relaxed
· DKIM alignment: Relaxed
📧 Reports → mailto:[email protected]
DKIM Selectors
✓ 3 found
selector1._domainkey
selector2._domainkey
default._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- MS=ms1461751
- ppe-cac7b049cb8a2f5e0889dd63cb15bfde51fb2a92
- _globalsign-domain-verification=5W3GxHDZLnK8EWQlDcMruxJQwzPRKJPDrv5qIqhJBb
- google-site-verification=jq-IoBzvfH5uTMWTCPaawsXhqoGw5h0uFQWISJmxFxM
- SPFv=spf1 include:spf.protection.outlook.com -all
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