Live data — DNS records and disposable check were just fetched and saved.
Domain Overview
DNS: ⚡ live
Checker: ⚡ live
hrtn.org
Yes
✓ Yes
Outlook
No
No
⚠ Yes
No
No
Did you mean: [email protected]
Checked via [email protected]
· 2026-05-21 00:33:30 UTC · ↺ Refresh
MX Hostnames
- hrtn-org.mail.protection.outlook.com
MX Priorities
No priority data.
A / AAAA Records
- 172.67.199.39
- 104.21.92.222
- 2606:4700:3035::ac43:c727
- 2606:4700:3035::6815:5cde
Mail Server IPs
No IPs resolved.
SOA Record
No SOA record found.
Nameservers (NS)
abby.ns.cloudflare.com
merlin.ns.cloudflare.com
SPF Record
✓ Strict (-all)
v=spf1 include:spf.protection.outlook.com include:spf.cloudus.oxcs.net -all
📊 DNS lookups: 2/10
✓ Hard fail (-all) — strict enforcement
DMARC Record
✗ p=none
v=DMARC1; p=none;
⚠ 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: 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
2 records- SPFv=spf1 include:spf.protection.outlook.com include:spf.cloudus.oxcs.net -all
- MS=ms19785863
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